Chapter One: Celestia's Request

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Twilight smiled as she trotted along, looking at all the trees and bushes along the beautiful walking path leading up to Canterlot Castle. She saw the plants along the promenade leading to her destination were in full bloom that late-spring day, beautiful, small, white flowers along the branches, amidst the healthy green leaves. Eventually she reached the castle gates, giving the guards a small smile, which they responded to with a curt bow as they let her pass. Her wing twitched in nervousness, and once more she levitated out the letter that Celestia had sent her from her saddlebag and re-read it for what felt like the fiftieth time:

My Dearest Friend Twilight Sparkle,
Hello, and I hope this letter finds you well, my faithful friend. I am writing to you regarding a most important matter that requires your presence in Canterlot Castle as soon as possible. Also, since this is a very sensitive and personal matter, please do not tell anypony you're coming here, come alone, and show nopony else this letter. The guards will be told you are coming for a visit, and you will be granted access with no questions asked. Please come as soon as possible, as this situation is also very time-sensitive. I hope to see you very soon.
Celestia

As she had every other time, Twilight turned it over only to find the back of the parchment scroll blank, with nothing other than the short, cryptic request for her, and only her, expedient presence in Canterlot Castle mentioned. Twilight found it strange, but also wasn't particularly worried. It couldn't have been a national emergency since her friends weren't asked to come along too, the Cutie Map was quiet, and since she wasn't required there immediately. Still, Twilight had taken the noon train to Canterlot Castle Station the next day after receiving the letter, her gnawing curiosity starving for answers.

Now, as she was permitted into the throne room by the guards posted outside, Twilight quickly noticed that those usually within the entrance or next to the throne weren't present at their usual posts inside the room. Princess Celestia sat alone on her throne, though quickly rose to her hooves when Twilight entered, a wide smile on her face. "Hello Twilight, thank you for coming! I hope I didn't interrupt anything important?" Celestia asked. Twilight's ears quickly perked up as she noticed that the other princess's voice had a particular, subtle tension beyond her happiness to see her, one that most ponies wouldn't have even noticed. Being around a pony for so many years, indeed nearly her whole life, let her pick up on certain nuances of Celestia's. Something wasn't quite right with the elder princess, and Twilight intended to find out what it was.

"No, not at all Princess. I was just going to draw up next week's schedule with Spike, but it's nothing that can't be postponed." Twilight responded, offering a small smile as she approached the throne. As soon as she was within an arm's reach of Celestia, she was surprised at how quickly she found herself with her muzzle buried into the soft, white fur of Celestia's chest, the elder mare drawing her into a big hug.

Twilight smiled as she reciprocated by reaching up and wrapping her own hooves around the larger alicorn's back, completing the embrace, though a bit perplexed by its suddenness. Celestia smiled softly and let out a quiet, contented nicker, gently rubbing along Twilight's withers. "I'll take it that you got my letter, then?" Celestia asked, feeling Twilight tense briefly in response.

"Yes, yes I did. It sounded urgent, so I responded as quickly as possible. I hope I didn't need to bring any books with me, or anything else?" Twilight asked, getting only a soft chuckle from Celestia, its vibrations rumbling against her chest.

"No, my precious friend, nothing like that at all. All I need is you yourself for this," Celestia said, "This is a very private matter that I wish to discuss with you, and only you, for the time being. That's why I asked you not to tell others, nor bring anypony else along," Celestia responded, breaking the hug, albeit hesitantly. "But first, where are my manners? I'm sure it's been a bit of a walk or flight here. Can I get you something to drink? Perhaps some tea? I had a fresh pot brewed and sent up to my bedchamber after the guards informed me of your arrival. Care to join me for some?"

"Well, I suppose some tea would be nice..." Twilight said, but couldn't help wanting to know why Celestia was acting so strangely, with her rapid-fire questions...odd. She was feeling a little nervous now; Celestia had not asked her to her own bedroom since she was still a filly, always just speaking to her in the throne room. And the missing guards...

Still, despite her unease, Twilight nodded and stood, Celestia already leading the way to her bedroom.

As they soon arrived there, Celestia disabled the warding magic on the door to what Twilight remembered to be her personal quarters, with the bronze replica of Celestia's cutie mark embedded into the thick oak door hard to forget. As they entered, the elder mare used a wing to gesture to the small dinette table and two sitting cushions set up in the corner of her room. Sure enough, upon it was a Japonese tea set, a silver tray of snacks, and a small, round chocolate cake on a silver pedestal as well.

Celestia quickly slid a plate with a slice of cake over to Twilight with her magic, the younger mare simultaneously seeing the golden glow of her magic around the teapot, pouring them each a cup. Twilight then watched as Celestia, ignoring the tea for the moment, simply dug into the remainder of the cake, forgoing any silverware and just eating it earth pony style. With her muzzle buried into it.

Twilight watched in shocked awe as her mentor ate the cake like a starved beast, her face covered in smears of pink and white frosting and what few tiny crumbs escaped her devouring maw. After the baked good was well and truly devoured, Celestia smiled sheepishly to Twilight, before dabbing her mouth with a napkin, doing little to remove the massive amount of frosting that was caking her fur now*. "Oh, please excuse my manners. I've just been craving chocolate cake all day, and couldn't restrain myself." Celestia said, her white-coated cheeks flushing with pink, then using her magic to clean her muzzle of its ring of chocolate and frosting.

As they sat there silently, sipping their tea and eating the accompanying snacks, Twilight kept thinking about all the things that Celestia may want to discuss, before dismissing them, her mind ever moving. Eventually, the omnipresent sense of mystery became too much, finally growing beyond what Twilight could bear to keep inside. "Princess Celestia? May I know why you asked for me to come here?" Twilight inquired, only realizing how frankly stated the question was upon seeing Celestia's ears perk up.

In response, Celestia sighed, setting down her teacup on its saucer with a loud clatter, nearly shattering the delicate Japonese finery. "We shall get to that, but first, I have a question. Twilight, what do you know about me?" Celestia asked, watching as Twilight's face morphed into a dumbfounded expression.

"Oh! Um..." Twilight said, her brain quickly locating and compiling everything she knew about Celestia. "Well, you've been the Princess of Equestria, alongside Princess Luna of course, practically since Equestrian history was recorded, and have been a part of its politics nearly since it has been. Um...you and Luna signed a peace treaty with the griffins after a years-long war, then did the same with the dragons centuries later, still maintaining that treaty to this day, and keeping ponies safe from their two greatest threats. Uh...you control the Sun, raising it every morning and lowering it each evening, as well as controlling its distance from the planet, and, by extension, the seasons. You can also control the Moon, as was evidenced after you had to banish Lu—" Twilight bit her tongue on that one, it still being a sensitive subject with Celestia, "—I mean Nightmare Moon, to the Moon, taking on those duties until she recently returned and was cleansed by the Elements. Speaking of tha—"

Princess Celestia held her forehoof up and offered a small smile, stopping Twilight's aimless trivia about her. "I'm sorry, I should have been more specific. Yes, all of that is true. Twilight, I...what I meant is what do you know about me as a pony though, not as a princess or co-ruler of Equestria. What about my family life? Did I have any children? Lovers?" Celestia asked, before seeing Twilight slightly frown, "Come now, surely you've learned something from all of those books you borrowed from the archives about me when you were an adolescent filly, or from the years you've known me?"

Twilight knew there had to be a reason for this questionnaire and wracked her brain, trying to come up with the right answer for whatever it was that Celestia wanted from her. "Well, I know you're a kind mare to everypony you meet. You are a fair, generous pony, almost like a mother to all of Equestria. On that tangent, according to some records, you actually were a mother even, to many hundreds of foals millennia ago, meaning you basically are a many-times great-grandmare to many of the ponies alive in Equestria today. You were in many loving relationships with stallions and mares both, occasionally having entire herds.

"That is all true. Please, go on. Was there anything else mentioned about my family, or offspring?"

”Well, those same genealogical records stated that you also..." Twilight paused, almost not wanting to bring it up because of its ridiculousness, "...sired...an even greater number of foals? I think it was in the thousands range? Surely that was just a clerical mistake though, right? Or maybe some strange sort of defamation by somepony politically opposed to you? Because otherwise, that would mean...basically every pony in Equestria is a descendant of you."

Celestia didn't answer that though, simply picking up her cup of tea again, her expression unreadable and cryptic. That reaction set the gears in Twilight's mind turning again. "Celestia, that is impossible, right? A mare can't sire foals...right?" Twilight asked but, instead of getting an answer, Celestia simply looked at her with an amused expression.

"What about you, Twilight? Do you have a special somepony, or anypony you're interested in romantically? Perhaps a stallion, or even one of your fellow Elements, has already captured your heart?" Celestia asked, a mischievous smile on her face. Twilight's cheeks quickly flushed red at such an intimate question, and asked by Celestia, her virtual mother, of all ponies.

"W-what? No! I've never been interested in anypony in that way. My studies, my friendships, and then princess duties and the Cutie Map missions, have made relationships all but impossible even if I had wanted to...which I didn't," Twilight stammered, feeling very embarrassed at the sudden, personal turn of questions.

"Well, that's a concern dismissed," Celestia said simply, before nodding, "Very well. Twilight, I've asked you here today to request from you a very big favor. I also ask for you to listen to all that I have to say before you answer. If that is OK?"

Twilight simply nodded, watching as Celestia's face heated up in a blush again as she got flustered, something Twilight had never seen before.

"Ahem...Twilight, please know that I've given a lot of consideration to what I am going to ask you, and have decided that you're the best pony for it," Celestia paused, taking a fortifying breath, "Twilight Sparkle, I ask that you stay with me in my bedroom tonight. I'm in my...fertile period...right now, and have spent too many breeding seasons alone. It is positively unbearable. Restraining myself is getting harder by the day, and I fear that if I don't get some relief, that I may do something...regrettable and irreversible."

Twilight was bemused, mouth gaped wide open, but Celestia wasn't done yet.

"Twilight, I ask you if I may mate with you tonight, to relieve my pent-up lust with you until I am able to function properly again. I might be rough as I get more into it, as my instincts demand that once I start mating with a mare, or mares, that I don't let up until I'm satisfied, but I will try to restrain myself until you're comfortable." Celestia said, looking at Twilight, waiting for her answer.

"I...w-wha...I-I-I..." Twilight stammered out, her brain short-circuiting, not even sure how to respond to something like that, "I...I mean...am I really the right pony for that?" Twilight considered that maybe this was a prank, something Celestia was infamous for, though her dead-serious expression quickly ended that assumption, "Wouldn't a stallion be more…well-equipped for something like that?"

Celestia nodded. "I am sure. You're the right pony, Twilight Sparkle. I've chosen you because you're one of the most powerful magicians in the world, as well as the only alicorn who isn't blood-related to me, married, or too young. I've chosen you, Twilight, because me breeding with you would likely lead to a very powerful foal being born from our union."

Twilight, once more, was speechless. Thousands of thoughts were rolling through her mind at the same time, yet none made any sense. "F-foal, from m-me...a-and you...b-breeding me? I...h-huh?"

"Yes, a foal," Celestia said, nodding, dead serious, "Twilight Sparkle, I would like to ask you for the enormous favor of carrying and birthing my first foal in over two thousand years."

Silence.

"Ha-ha...good one Princess Celestia, you got me..." Twilight said halfheartedly, with a forced smile on her face after nearly a minute of awkward silence, so completely and utterly baffled at Princess Celestia's request for her to 'carry her first foal in over two thousand years'. She again thought maybe Celestia was pranking her, as she was inclined to do to her subjects. Surely that was the only answer.

"No, Twilight, this is not a joke," Celestia responded, her expression as stoic as it had been since they'd entered her bedroom, "I would never joke about wishing to have a child with a mare. I really have chosen you to ask for such a huge favor as carrying my foal, and I really would like to be in a relationship with you, both of which you have the choice to decline."

"B-but you're a mare, and I'm a mare! How...how can two mares...?" Twilight exclaimed, trying to believe Celestia, but utterly baffled how a foal could be born from their union, and putting aside Celestia's implications of having feelings for her aside for the moment, "...conceive?"

"I...well..." Celestia said, her turn to get flustered again, "...Twilight, everything I have said must not leave this room, and what I am about to tell and show you is at the top of that list. Promise me."

"Celestia, I promise," Twilight said, absentmindedly doing the Pinkie Promise ritual.

"Well, I am a mare, but..."

It was then, after a moment of hesitation, that Celestia released the concealment spell that she had not released in front of another pony for over a century, revealing her long-contained secret. And long it was.

"...well, I am also something more as well."

As Celestia was standing sideways in front of Twilight as she still sat, the latter quickly noticed a flash of yellow light coming from between Celestia's hind legs, her eyes drawn to it. As the light faded, Twilight quickly found that her muzzle was almost at the same level as a rather massive penis.

A massive stallion penis attached to Celestia's underbarrel, its sheath starting just in front of her teats.

Shocked didn't even begin to cover how Twilight felt as she saw the approximately thirty six centimeter** long, about ten centimeter*** circumference stallionhood in front of her, protruding from underneath the Princess of the Sun. She realized that it had no mottling whatsoever, a smooth, uninterrupted, healthy flesh-pink from base to flare. Her eyes locked onto the long, thick shaft, easily the longest Twilight had ever seen equinely or even in media, knowing that it was statistically enormous compared to an average stallion's, which typically topped out at twenty one to twenty three centimeters^ long and six^^ around, though with some bigger exceptions.

As Twi looked past the monolithic pink spire, she also saw Celestia's huge white-coated balls, each the size of an oval navel orange, were stretching the sack they were within taut, as though almost too big to be contained by it. Given how long she claimed to be pent up, and their size, Twilight had no doubts about Celestia's virility.

Twilight also noticed that Celestia's penis was fully erect already, a long string of precum drooling to the floor from its tip. She watched in awe as the stallionhood flexed from her attention, hitting Celestia's underbarrel with a meaty slap, the flare of it attached with a string of precum for a moment before it snapped. Twilight shivered with arousal before remembering just who such an amazing penis was attached to.

"But...I...you..." Twilight stammered out weakly, her rational mind and hormones combating each other; her mind was trying to accept this huge revelation, while her body wanted her to submit herself to this virile, worthy stallion and take that thick, meaty cock into herself until it planted the seed for a foal into her, the fact she wasn't fertile then notwithstanding.

"Now, I know you must have many questions, but I can answer two of them right now. Yes, I am a hermaphrodite and have been since I was born, and yes, both sets of my reproductive organs are fully functional. As the legends and myths you read about me stated, yes, I have both carried and birthed hundreds of foals throughout my long life, and I have indeed sired even more thousands to mares in millennia past; all of my foals, both those I sired and carried, grew up to be powerful unicorns, earth ponies and pegasi, many of whom went on to help shape modern Equestria."

Celestia then sighed sadly. "I haven't carried a child in over a thousand years, however, and it's been about as long since I've conceived a foal with a mare publicly. Hay, it has been well over a hundred years since I have even had sex while in a disguise," Celestia paused, her now-exposed shaft giving a visible throb, another heavy dollop of precum drooling down to the floor, "This is a too-long dry spell that I'd like to end by courting you, and with you continuing my royal bloodline, Twilight."

Twilight was silent for a moment to let that sink in: Celestia, the lead princess of Equestria, was actually a hermaphrodite and wanted to conceive a child with her, and be in a relationship with her. "I, um, I understand that you want me to carry a foal for you, but...I...I'm having a h-hard time...taking this all in," Twilight stammered, gasping for air, her mind a whirlwind of confusion and, oddly, lust; "...I, I mean, t-this is all so sudden..."

Celestia nodded, before giving another sigh. "Trust me Twilight, I wouldn't have called for you and presented this so suddenly if it wasn't an emergency. My dear, I am in both rut and heat right now, and both are unbearable now after so long with only my hooves and magic for relief. I've also used sex toys, for both parts, but they too are now seemingly insufficient to satisfy myself. I need something...real. A real mate. Somepony I know I can trust with my secret. You, Twilight, I need you."

"Me? But...why me? Why now?"

Celestia's expression grew serious. "Yesterday I...nearly had an incident with one of my maids who happened to be in heat. She was cleaning my bedchamber, and bent down to clean something off the floor near me. Her tail flagged on reflex and...she smelled sooo good Twilight, her marehood was so swollen and wet. She was so ripe, so ready to be bred, to be claimed..." Noticing the odd expression she was getting, Celestia cleared her throat, "Twilight, I mounted her, right then and there in my bedroom as she leaned over my bed to fluff my pillows. Thankfully nothing came from it, despite my instincts demanding I drop my concealment spell, and breed her right then and there. I passed it off as a prank in bad taste, apologized, and we both had an uneasy chuckle over it."

Twilight grew quiet for a while, before sighing. "I...I see. So you need me to help you get rid of those urges before you lose control, let your secret get out, and...possibly do something that could compromise your reputation."

Celestia nodded solemnly, then looking at the younger mare with a desperate expression; "Yes, Twilight, I'm losing control of my desires, my instincts taking over in ways I can hardly control anymore. I need to have sex, or I may end up doing something...unforgivable to somepony who doesn't want it. The fact that said sex with you may lead to a child that I also desire, though, is only a plus to me."

"I...I see."

Celestia squirmed a bit in her uncomfortable arousal, causing her cock to sway ever so slightly, its pendulous movement followed by Twilight's eyes. "Flurry Heart's recent birth has inspired me to have another foal of my own, and I've chosen you, Twilight Sparkle, to carry it for me during this breeding season. You are one of the most powerful magicians in the world since Starswirl the Bearded. A very powerful foal would undoubtedly be born from our combined genes, this I know."

Twilight felt a fluttering in both her nether and her heart alike at the thought of bearing a foal, something she'd been considering passively ever since she was allowed to learn how foals were made in her adolescence. The thought of having a foal - a new life that she'd helped produce with somepony very special to her, somepony that she loved with all her heart - within her nurturing womb was always intoxicating in a way, especially during her estruses. Now, with one of the closest ponies to her offering just that, she was very tempted to take up that offer. Just...

"But Celestia...would this just be, y'know, to have a foal together? I mean, I understand if you need somepony to just continue your bloodline, and that I'm apparently the best choice to you as a mother to the foal, but..." Twilight paused, unsure about these new feelings she was having about her longest-held friend, "...but I kinda...was hoping for maybe something...more? I always dreamed about being married before having foals, to the father of those foals."

Celestia simply smiled, before wrapping Twilight in a one-armed hug, Twilight's muzzle pressing into the taller mare's neck in the embrace. "Twilight, of course I'm not planning on 'using' you merely as a broodmare to carry my foals," Celestia paused before pulling back from the hug some, wanting to look into Twilight’s beautiful, deep-purple eyes, "I've loved you as more than just a student and virtual daughter for many years. I tried to keep it bottled up for so long, but now I don't have to anymore. We're both consenting adults, the timing feels right, and...if you so chose to, I would love to take you on dates, or even marry you outright, as early as tomorrow if you'd so desire. I only ask that you allow me to breed you now, given my rather...desperate situation. I don't think I can restrain myself anymore, even until morning, and I'd hate to give a mare a foal she doesn't want, or get pregnant myself out of animal lust alone. The scandal would be enormous."

Twilight bit her lower lip, looking over Celestia’s body, basically checking her out. As she did, looking from her beautiful face, large, swan-like wings, all the way down to her perfectly proportioned body: from her large, foal-bearing hips, her long, thick cock and heavy balls, and finally her long, slim legs - not to mention considering the fact that her magical ability was by far the most powerful in Equestria, and that too being quite attractive for unicorns in a mate - she knew that she couldn't hope to find a genetically better sire for her foal. That this was the opportunity of a lifetime; to be bred by possibly the best stud Equestria had to offer, and possibly gain them as a lover too.

"After all you've done for me, and how much love I've always felt for you too, how could I possibly say no?" Twilight asked, smiling, seeing Celestia's face light up as though she were her Sun incarnate.

"Thank you, Twilight! You have no idea how much this means to me!" Celestia said heartfeltly, holding a large smile of her own, kissing Twilight on the nose, "We shall start at once then. It is....unbelievably hard not to just pounce on you right now, after you've consented."

"Well, there is the matter I'm not fertile right now to consider..." Twilight said, only getting a small chortle from Celestia in turn, and another kiss on the nose.

"Don't you worry about that. I have just the spell to fix that little problem, as well as a few others to make our first time together that much more special," Celestia said, before she then trailed her lips from Twilight's nose, to her upper lip, then finally her lips were met with Twilight's, with the smaller mare then initiating the kiss.

Twilight was surprised at first, stunned that she was kissing a literal goddess, and that said goddess was wanting to do even more than just kissing, but she knew this felt right to her. Celestia was the one she chose to give her first kiss, and so much more, to.

Twilight pushed into the kiss as well as she could, but her feeble attempt was quickly overpowered by Celestia's millennia of experience, afterwards surrendering and simply melting into the kiss. She felt so comforted like this, especially when Celestia wrapped her wings around her, soft feathers and warmth surrounding her like an impenetrable cocoon, one of the elder mare's hooves also pulling her tighter into the hug.

As she was held like that, feeling so completely loved and safe, Twilight already knew she had made the right decision.

Chapter Two: Celestia's Warmup

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"So, what exactly are those spells you mentioned before?" Twilight asked as she laid on Celestia's bed now, facing its owner, who laid with her.

"Well," Celestia said, giving little kisses on the top of Twilight's muzzle occasionally as she spoke, "The first spell will be a powerful estrus induction and fertility spell since you're not in heat right now. It will make you go into full standing heat, speed up ovum maturation to nearly instantaneous, then make you ovulate at least one mature ovum immediately, though quite possibly two," Celestia paused, smiling, "We could have twins..."

Twilight nodded, feeling a bit nervous about getting pregnant at all, with the possibility of having to carry twins only adding to it, but if it happened, she would still be very happy about it. Happy she got to be a mother to her longest friend's foals.

"The second spell will give me control of when you orgasm, which means you can't climax until I tell you to. This is to promote your womb to bring all of my sperm as deeply into you as possible, since a mare having an orgasm before the stallion's can slightly decrease conception chances, and her orgasming after she’s inseminated can make her womb's contractions ‘suck’ the sperm into itself, leading to better chances of it taking."

Twilight's eyes widened a bit at that, but she knew what Celestia said was fact, as she'd studied all about conception and foals before, when she'd taken a self-imposed sex ed course as an older filly.

"The third spell is for vaginal elasticity and muscle relaxation. This will help you take my...above-average penis into you painlessly for the first time, and to allow my flare to either press to your cervix, or even better into your womb, to increase the chance of you getting pregnant."

Twilight bit her lip at that. She knew cervical penetration was perfectly normal and almost expected during equine reproduction with a long enough penis involved, as the mare's cervix dilates during her estrus and is much more pliable, but she was still nervous about possibly taking something that deep into herself. She couldn't help but fear it would hurt.

"Finally, the fourth spell is one which will increase the size and sensitivity of your teats. This is so, when you eventually give birth, your milk production will be enough for our potential twins. Also, it'll make sex feel much better and...make you even more attractive than you already are, if that's possible. A small side effect is that it'll make you immediately start lactating, and will last for a few hours after it's cast. I can remove either aspect whenever you want though, if you please."

Twilight giggled nervously, blushing at the compliment and the spell descriptions. She knew she'd asked about them, that there were reasons for each spell, and that Celestia was quite possibly the best qualified to cast such spells upon her, though she couldn't help but still feel nervous about all of this. She felt a certain excitement too about being bred, about giving herself to somepony and letting them seed her and make her pregnant, something primally arousing about that idea. She was feeling something her friend Pinkie called 'nervou-cited', but it wasn't severe enough to make her uncomfortable. "It's OK Celestia, I trust you," Twilight said, nodding, "go ahead, I'm ready.”

Celestia lit her horn in its sunny yellow glow, and almost instantly Twilight felt a gentle tingling of magic deep inside of her lower belly, right where her womb and ovaries were, knowing where they were given all the anatomy books she'd studied, and where it always burned the hottest during her estruses. It was mildly uncomfortable, and quite a strange feeling, but not painful.

As the elder mare kissed along her neck, making the smaller mare gasp quietly at the sensations, Twilight felt as Celestia's magic tingled lower down her tract. It went painlessly past her cervix, and into what must have been her vagina, making a spark of pleasure roll up her spine. It felt good now, actually, feeling her sensitive flesh being manipulated like that while Celestia kissed her neck.

Lastly, the magic tingled on her outer lips and clit, prompting a wink from the latter and a jerk from Twilight's hind leg. She felt herself relaxing too, her muscles going slack as she gave a quiet mmm of approval.

"Are you doing OK? I cast the elasticity, relaxation, and estrus spells just now, so you should be going into heat at any time now," Celestia said, her horn going dim for a moment, before reigniting with its aura, "Next is orgasm control and the one for your teats."

Twilight soon felt that same gentle tingling in her head, causing her vision to swim momentarily, before, immediately after, she felt those same tingles in her teats. She felt an odd stretching sensation in them, again a bit uncomfortable though not painful. As she looked down between her legs, she saw that her teats had indeed grown, now easily twice as large as they were just like that; the size of a nursing mare's, she noted. "Oh..." Twilight said, using a hoof to prod at them, shivering at the pleasant sensations tingling up her spine, "...y-yeah, I'm fine. Just feels...so different. They're...you made them so big!"

"There, my sexy mare, all the spells have been cast," Celestia said, giving a little smile, "Now, shall we get truly started?"

Twilight gulped, but nodded.

"Very well. What I'd like for you to do first is to lick my marehood. You have no idea how hot I feel down there after touching...inside your feminine parts like that," Celestia said, before laying on her back on the bed, with Twilight meanwhile getting up to an upright lying position to give her room.

"I have some idea..." Twilight mumbled under her breath, her own loins feeling quite hot and aroused, but as of yet unsated, and wouldn't be for quite a while if what Celestia had said was true about orgasm control.

As Celestia laid down, she spread her back legs, her multi-hued tail swishing out of the way, and as she crawled behind her and faced her crotch, Twilight quickly saw everything Celestia had to offer. She saw Celestia's large, pink cock that she'd already seen before, as well as her balls in their white-coated sack, and what was underneath those balls too. As Celestia held them up in her magic and out of the way, Twilight saw her pussy. It was teardrop shaped and was as pink as her cock, if a little redder because of her intense arousal and condition, her vulva swollen as well in her need. Above that, and above where her sheath started, were her teats, the small pink nubs of her nipples hardened in arousal and poking out of her white fur. Twilight was in awe; she was staring at a hermaphrodite goddess's full package.

"Well, are you simply going to stare forever, or are you going to please your princess? I know we both are immortal and you probably could indeed stare forever, but sooner would be better than later," Celestia asked in a bit of a huff, as almost a minute later Twilight was still simply gawking at what was between the ruler's legs.

As she heard Celestia speak, Twilight felt that nervousness coming over her again. At the same time, she felt an itching and burning sensation starting deep within her belly, feeling her marehood starting to self-lubricate, all traits she was all too familiar with ever since adolescence; she was going into estrus, and knew it was going to be an intense one. Already, waves of heat flowed through her, which Celestia’s sun would be hard pressed to match in intensity. "Y-yes Celestia, sorry," Twilight responded, giving a nod as she squirmed closer.

Twilight had smelled Celestia's arousal before, both male and female pheromones emitting from the hermaphrodite mare, but the closer she got to the source, the stronger they got in turn. She felt her mind growing fuzzy, her breaths deepening, her body readying itself to accept her stallion atop and into her now-fertile body. Her clit winked, making a quiet, wet squelch as her lower lips parted, Celestia responding in kind with a wink of her own pussy.

As those pink lips parted, Twilight saw what was easily the biggest clit she'd ever seen before peek out and greet her. It was most likely double the size of Twilight's own and an inverted heart-shaped, flushed nearly red, as was what she saw of Celestia's entrance as her lower lips spread. After lingering out for a second, her clit disappeared into its hiding place again, leaving Twilight’s mouth agape. She'd never had another mare 'wink' at her before, and it made her feel...special, somehow, that Celestia had. "W-whoa..." Twilight whispered, knowing now why stallions liked seeing mares do that so much.

"Hmm, you liked that, huh?" Celestia asked, seemingly quite amused at how much her wink affected Twilight, "If you lick me, I promise I'll make it wink more."

Twilight knew she couldn't refuse such an offer, so completely enraptured by the beautiful mare before her, and quickly dug her muzzle between her mentor's legs. Her pheromones were a potent drug, all nervousness gone and only a desire to taste her present now. As she plunged her tongue into Celestia's marehood, the first taste was almost like sipping a fine, aged wine, slightly tangy but plenty sweet, a slight saltiness there too. She heard Celestia moan, looking up to see her eyes closed, an intense expression on her face. "Are you OK? Did I...hurt you" Twilight asked, fearing the worst in her naivete.

"Oh my dear Twilight, it is the opposite of pain you're giving me," Celestia said, lidding her eyes as she looked down to Twilight with a small smile, "please, give your princess more and you will be rewarded."

Twilight gave a big smile in return and, as she licked again, she got more of the mild sweetness of her lover's fluids, a delicious ambrosia that she was instantly addicted to. She licked again and again, making the herm mare beneath her moan and squirm as her tongue delved even deeper. Meanwhile, Celestia's semi-hard horsecock rested, draped over Twilight's head beside her horn, and twitched, drooling precum down the back of her neck. "Yes, Twilight, yes! Please, more!" Celestia cried out, her head pressed back into the bed now, pushing her hips up into the tongue and muzzle that was pleasing her so much. Twilight obliged, using her hooves to spread those large, pink vulvae lips apart so she could get inside her more, slightly spreading her vaginal entrance with her muzzle.

"Haaah...you really want that reward, don't you?" Celestia asked, getting a nod from Twilight, before smiling, "Very well, I think you've earned it," Celestia lit her horn, feeling Twilight freeze up as she lifted her in her magic, then moved her so Celestia's own muzzle was at her crotch as they lay side by side now in what was basically a sideways 69, Celestia seeing her mate's deep-purple vulvar lips just begging for attention, and now feeling her nose press into her balls. Without further hesitation, her large tongue licked from Twilight's enlarged teats all the way to her perineum, the moan vibrating her own crotch making that action worth it all on its own.

Celestia started a slow pattern licking away at her ex-student's bloomed blossom, not wanting to overwhelm the virgin mare too much, but all the same was rewarded with another deep moan vibrating her clit. They were just getting started, after all, and she wanted her mare's first time to last. Meanwhile, the flavor of heated mare washed over her tongue and her scent into her nose, making her cock throb more precum onto Twilight.

"Mmmmhm..." Twilight groaned, trembling as she felt the reciprocation of her pleasurer lapping over and just between her pussy’s petals. Celestia's tongue was like the rays of the sun she controlled; warm, gentle, and soft, with her perfectly manipulating Twilight's folds and pleasure button as thousands of years of sexual experience came to bear. Twilight had used her own magic and hooves on herself before, during her previous heats, but it had never felt like this. This lovely tongue was perfection, surely.

After a few more licks, especially targeting her winking clit, Twilight knew that without the spell preventing her orgasms, she would have likely already cum twice by now in her intensely needy state, having felt the rising pleasure of a dawning climax, feeling like she'd burst, only to feel it recede again.

When Celestia looked down as Twilight paused for breath, she couldn't see any of Twilight's muzzle, but she could sure feel the pleasure it brought, the smaller mare's soft nose rubbing against her balls as her tongue delved and explored between her lower lips. Twilight's warm exhales through her nose sent a most delightful tingle up Celestia's spine each time they blew over her slit and sack, only adding to the warm muscle squirming inside her foal-canal. The stimulation made the elder mare give almost pained-sounding moans, though Twilight knew that wasn't so, judging by how Celestia was physically begging her to keep going with the rapid winks of her clit, and verbally with said moans.

"A-hah...you're doing p-perfectly my beautiful Twilight..." Celestia cooed, maneuvering herself so her legs were more open to Twilight's muzzle, at the same time using her hooves to spread Twilight's legs more to lick deeper into her, also using her magic to affectionately massage the other mare's ears. Twilight seemingly quite loved the stimulation on those sensitive areas, as another, louder moan vibrated her cooch.

Minutes in, with the way Celestia was squirming, the way her pleasure-nub peeked out and basically booped her in the chin, and the way her body locked up for a moment each time it did, Twilight knew she was making her mentor feel really good right then. She too had nearly reached two more climaxes, though the spell had denied her them. She almost asked Celestia to let her cum, but remembered the spell's purpose. It would be worth it in the end, she just knew it.

Despite her tongue starting to ache from the constant licking and probing exploration, Twilight kept going, the feeling of Celestia's tongue lapping away at her own crotch, the mare's hooves rubbing her stifles, inspiring her to continue. Gradually, the licking within her own pussy stepped up its tempo, making Twilight's pleasure soar higher as it started focusing more on her clit, making her give a quiet gasp into her lover's marehood.

Both were lost to the moment, Celestia lapping away at the younger princess's entrance, addicted to the moans and squirms and sweet, musky fluids drooling from the other mare that her efforts had earned her, and Twilight loving a soft tongue licking over her most sensitive parts for the first time. Feeling the squeezes of Celestia's passage on her muzzle and tongue getting more rhythmic, her grinds against her getting more forceful, Twilight knew she was likely getting close to her climax. Celestia's squirms were getting more frenzied, her winks against her chin increasing in frequency, her back arching and pushing against Twilight's muzzle more.

Finally, after so long of being pleasured, Celestia froze completely, her own licks and rubs stopping as her hips jerked sharply into Twilight's lapping muzzle. Her head tilted back and pressing firmly against the bed, Celestia let out a small moan as she started trembling, a years-overdue orgasm washing through her. Celestia locked Twilight's head between her thighs as her inner muscles kneaded and pulled on Twilight's muzzle and tongue, as though trying to pull them entirely into herself. She was lost to her climax as she kept involuntarily grinding her hips almost violently against her mate's muzzle, trying to eke out more stimulation.

Wave after wave of intense bliss flooded Celestia's veins as the pressure in her core burst, her hips jerking up and down involuntarily, her clit winking and pressing against Twilight's chin. All this only added to the intense electrical ecstasy as her core clamped down on the wriggling muscle within her.

Twilight, meanwhile, felt a flood of Celestia's mare-cum wash against her muzzle as the rock-hard, turgid, heavy appendage on her head throbbed even larger globs of pre-cum down her back, with her marehood meanwhile wetting her face with the liquid love of her mare and marking her with her scents in the most primal way possible. She kept diligently nuzzling and licking into Celestia's crotch, holding her breath as her muzzle was forced deeper when Celestia's legs closed in around her, trying to encourage her to cum as long as she could. The flavor was as feminine and fertile as one could get; lightly musky, thick, sweet, and very much 'Celestia'.

Finally, the rhythmic squeezing on her tongue stopped many seconds later and faded into staccato twinges instead, and Twilight was thankful as Celestia's legs went slack, letting her pull away for breath. Not before she gave her clit a parting kiss, though.

As they rested and recovered their breath, all Twilight could hear was Celestia's panting, feeling the occasional tremble coming from her, and soon Twilight felt magic making gentle rubs on the bases of her ears, giving a pleased 'mmm' as she pushed her head up into the arcane massage. She always loved when Celestia did this for her, especially when she was a foal, whether with her mouth or magic; a simple, affectionate gesture that a mother would often do with her foal. An innocent way to non-verbally say 'I love you, my child'.

"Did...did I do well?" Twilight asked after some minutes of peaceful recuperation later, as a schoolfilly may ask her teacher.

"Yes, you did very well. Thank you, Twilight..." Celestia purred, resting as her afterglow settled in. Her male part still needed some attention though, hard as steel and throbbing in need now. "...but...may I ask you for more?"

Twilight nodded, a resolute expression on her face, "For you, anything," she said, as always willing to do anything to please Celestia.

"May I ask for you to use your mouth to pleasure me again, except for my stallionhood this time?" Celestia asked, taking Twilight slightly aback by her directness and choice of term.

"Um...yes, of course. What position did you want me in?"

"Please lie down, with your back on the bed. I wish to climb over you and have you use your mouth...and throat," Celestia started, before seeing the nervous expression on Twilight's face. "Don't worry, I'll take it nice and slow at first, and will give you plenty of time to breathe. This isn't my first time receiving deep oral, and trust me, I know how to take care of a mare who is as special as you are to me."

Twilight blushed at that, still getting used to being addressed as 'Celestia's Special Mare'. "Don't worry, I trust you," Twilight said, giving a nervous little smile despite the butterflies in her belly.

"I promise I will make your first time memorable, in only the best way," Celestia said, "and don't worry about discomfort, the relaxation spell should make your throat muscles nice and loosened. You'll just feel the fullness."

Twilight nodded, doing as Celestia asked and turning over so she was on her back, her forehooves folded on her chest. As Celestia fully topped her, her forehooves planted to either side of the mare she was mounting, all Twilight could see as she looked up was a large log of pink stallion-flesh, two heavily-hanging balls, and the white-furred inner stifles and belly of their owner. "What, um, what did you want me to do?" Twilight asked, and was answered in the form of Celestia's tip tapping her nose, leaving a small dollop of the pre-cum it was profusely spurting behind.

"Whatever you please. Just, do watch your teeth please."

Twilight's tongue snaked out and licked the rounded bulb of Celesita's tip subconsciously, tasting the first male she ever had, and getting a grunt from the receiver. The dollop of precum she got on her tongue tasted slightly salty, alkaline, and musky, and very distinctly male, kicking her mind into gear as that flavor, and the scent of Celestia's masculine musk, set her breeding instincts into high gear. She wanted more. Eagerly, she opened her mouth to let more of her tongue out, licking again, her tongue going over the whole flat of Celestia's flare once more.

"Twilight, no teasing, please...I need you so badly right now," Celestia said, getting a nod from Twilight, then moaning deeply as she then took her whole cockhead into her mouth. Celestia felt warmth surround her cockhead, her head easing back as she let out a groan of pleasure, the first sexual stimulus she'd had there from another pony in so long. "Oh yes…" Celestia hissed, her hips jerking and pressing another few centimeters into Twilight's mouth, sinking more of her sensitive length into the warm, welcoming maw beneath her.

For Twilight, the sensation of being filled orally was different, but not uncomfortable, not unlike taking a very large, warm, and male-flavored popsicle into her mouth. The feelings of warm hardness pressing past her lips, its girth slightly spreading her jaw, the protruding underside of Celestia's flare and urethral bulge sliding along her sensitive tongue...she found that she actually liked it, if she were honest to herself. The sounds and words of pleasure coming from that special mare above her, as she pressed more in, only made it a much better experience. "Oh Twilight...thank you so much..." Celestia gasped out, burying yet more with a forward press of her hips.

Twilight felt as Celestia's tip was nearing the back of her tongue, and that instinctive worry of choking and not being able to breathe came over her. "Just relax Twilight, it'll be OK, I promise. I'll never hurt you," Celestia said upon feeling the smaller mare beneath her tense when she pushed in more, "such a beautiful mare, and so warm and tight. Deep breath now, lean your head back and straighten your neck please, I'm pressing in more."

Twilight inhaled deeply, getting a muzzleful of Celestia's stallion musk in the process, making her head feel even lighter as she straightened her neck as asked. With another press forward, Celestia's flare breached her throat. To Twilight's surprise, it didn’t hurt as Celestia stretched her virgin throat, and now pushed bit by bit deep down her gullet, making Twilight feel full in a way she never had before. She could feel her throat bulging rather obscenely, struggling to accept the girth being shoved into it, but the shuddering exhale and trembling she got from the owner of what was filling her made it all worth it.

"Oh Twilight, thank you...thank you so much for this..." Celestia cooed, lighting her horn and getting a muffled squeak from Twilight as she started to caress her cutie marks with her magic, tracing the six-pointed stars as she felt the warm, tight throat contracting around her thick length while she fed another few centimeters in, "but I won't leave you wanting. Remember, no biting now."

Twilight gave another, longer squeak as the magic on her flanks instead trailed between her legs again. Twilight squirmed as the tingly telekinesis tendril played over her teats and taint, before parting her lower lips slightly and sliding up and down the length of her slit. Given how wet she was, there was no resistance, sliding as smooth as can be between her lower lips. She gave a quiet squeal as Celestia's magic started to rub softly over her winking clit, sending surges of pleasure as the magic circled her heart-shaped pleasure nub, Twilight's eyes rolling back. Her lungs were starting to burn now, though, begging for oxygen, and only adding to the lightheadedness caused by Celestia's scent.

As more and more of Celestia's dick filled her throat, Twilight soon felt as her large balls rested against her nose, a bulge left in her throat, her stallionhood hilted all the way down her gullet now. "Mmm..." Celestia moaned, shifting her hips slightly, getting used to the feeling of the tight throat muscles clenching around her upper length, and the warm mouth around her lower. After savoring the sensations for a moment, Celestia slid her hips back, pulling herself from Twilight's throat and hearing a sharp exhale and inhale through her nose as she let her breathe.

"See, I promised I'd let you breathe. Are you doing OK?" Celestia asked, getting a cock-muffled 'mmhm' from Twilight. Celestia smiled. "I knew you could do it, my lovely mare. May I continue?" Twilight nodded slightly in response. "Thank you. Deep breath now." As the larger alicorn once more pressed her hips forwards and penetrated Twilight's throat again, and once again it didn’t hurt Twilight, Celestia started to thrust her hips, fucking Twilight's throat like she would a pussy. She kept her pace slow at first though, letting her virgin partner get used to the new sensations.

Twilight, meanwhile, was actually starting to like being used like this, providing pleasure to the mare who had given her so much, and wanting to give something back now. She swallowed, and felt Celestia tense up, feeling her cock throb, and internally grinned. She swallowed again and again around her dick, feeling Celestia's thrusts getting more rapid and forceful, but not excessively so. She was still holding back. Wanting her ex-mentor to let herself go, Twilight lit her own horn and forced Celestia to fully hilt into her throat fairly rough on an in-stroke, earning a rather loud groan from Celestia.

"Oh, you want me to really fuck your throat?" Celestia asked, her usual regal posture gone now, her voice deep and feral. Twilight gave another 'mmhm', this time with Celestia's cock buried in her gullet, vibrating it and earning a rather large dollop of precum down her throat for that. "Oh, I can do that." With that, Celestia started fucking her mare's throat in earnest, Twilight's eyes rolling back again as her throat-pussy was laid claim to. Her lungs burned, her throat muscles strained, but the feeling of fullness and submission was so very satisfying to her. Feeling like a real mare, giving herself fully to her stallion.

It wasn't long, with so much stimulation now and so long without a mare, that Celestia's glans started to swell, making each thrust harder and harder to accomplish. Twilight encouraged the elder mare to continue along, grasping her balls in her magic and gently kneading them, with the increase of the force in Celestia's thrusts letting Twilight know both that Celestia was loving it, and that she'd definitely be having a stiff neck and sore throat in the morning.

"T-Twi...I-I can't...hold off...m-much more..." Celestia stuttered, unable to really speak anymore from how lovely Twilight was making her feel, her hips at full rut now, lost to her instincts. Fortunately, Celestia had enough control left to pull her swollen tip from Twilight's throat before she fully flared, letting her student gasp in a full breath of air through her nose. It was nearly torture to keep outside that wet, warm, and very tight throat that she'd quickly learned to love, though, especially after being brought to the brink as she was.

"Ooooh-OK, I'm going to finish soon...deep breaths, it's gonna be awhile before you get more," Celestia warned in a motherly way, as she felt Twilight softly licking the bottom of her flare while both caught their breath, spending another spurt of precum onto her tongue. Figuring Twilight had caught her breath if she was teasingher like that, Celestia once more slid her hips forward, not hearing any protests as she slowly speared into the mare's throat, before then starting her rapid pace again to set herself over.

Twilight kept up her swallowing, the rippling throat contractions that Celestia clearly loved, and before long Celestia was flaring again. This time, she didn't pull out as her flare swelled up huge, at least double what it normally was, and Twilight was able to feel her balls slapping against her muzzle as her humps became desperate. Finally, Twilight's throat felt fuller than ever as Celestia forcefully hilted a final time and stayed fully flared, a feral breeding whinny ripping from her throat as she locked herself into place as her cock stiffened and her balls pulled up. Twilight was all too thankful for the elasticity spell.

"C-Cumming!"

That was all the warning Twilight got before she suddenly felt what seemed like a stream of warm, thick fluid flood down her throat, with her swearing somepony had buried a water hose into her and sprayed it on full blast into her stomach. All the while, she felt her teacher's cock throb rapidly as gush after gush of pent-up cum unloaded directly into her stomach, Celestia all the while whinnying and nickering ferally, as though she was a feral stallion breeding his mare.

Celestia continued to unload into Twilight's tight little throat, trembling as each twitch of her cock made another burst of her warm foal-batter wash the mare's stomach, reeling at the sensation. She reached down and bit the mattress as though it was her mare's crest, her hips rolling slightly to stimulate her just that little more, so she could completely unload her balls and get that much more overwhelmingly strong pleasure.

Twilight felt like she'd eaten a Hearth's Warming feast already, her belly swelling slightly with the sheer quantity of Celestia's output, her throat reflexively swallowing and making Celestia's orgasm that much more extended. She felt satisfied too in an odd way, making her 'stallion' satisfied, and receiving a protein-rich meal in return.

As Celestia's orgasm tapered off, her squirts getting smaller and smaller, she panted softly, eyes closed as she recovered from such a massive climax. Twilight, meanwhile, observed that Celestia must have released at least three hundred milliliter of semen, possibly even as much as five hundred, double or more than that of a normal stallion's output. No doubt that was her first orgasm in a very long time.

Eventually, her need for oxygen getting critical, Twilight felt her head getting more and more light, darkness creeping around her vision. She quickly tapped several times on Celestia's back leg, snapping her out of her post-orgasmic daze.

"Oooh Twilight, I'm sorry..." Celestia cooed, her voice slightly slurred, before she quickly slid herself from Twilight's throat despite the resistance her still-swollen flare presented. Twilight gulped in air, sweet, cool air, as Celestia's flare pulled from her throat first, slid along her tongue, and then out of her mouth as Celestia dismounted Twilight, though not before depositing a final small spurt of thinner cum on her tongue.

Twilight was intrigued by the flavor of her mate's semen; it was lightly bitter and alkaline, fairly musky, yet at the same time it had a faint sweetness about it too. She liked it, though, the raw flavor of 'stallion' setting her heat to an even higher boil. She rolled the small creampie around her mouth, taking in Celestia's male flavor, before finally gulping it down.

Celestia felt even more drained and satisfied than she ever could with even the most complex sexual spells she performed on herself, real sex never quite replicable with magic; you couldn't really love what was basically a sex toy, after all, and there was no degree of unpredictability as with an actual partner. Your spell did exactly what you wanted it to, and only that.

Satisfied for the moment, Celestia brought Twilight into a spooning position, with her taking the big spoon position, wrapping both wings and forehooves around the smaller mare as her back pressed into Celestia's chest, and basically encasing her in a cocoon of warmth and love once more. "Thank you so much for this again, Twilight. Give me a moment to rest, then we'll proceed," Celestia promised, getting a quiet squeak of surprise from Twilight as one of her wingtips snuck down between her back legs, the silky feather playing over her slit, "in the meantime, I think I can keep you 'entertained'." Soon after, Celestia's magic joined in on playing over and just between Twilight's swollen marehood's lips, making the mare tremble in her grasp.

“I...I can’t wait,” Twilight said, smiling softly as she enjoyed the soft feather and tingling sensations on her pussy-lips. With as good as just this felt, and knowing that this was still only the beginning, she knew it could only feel so much better when they actually had sex.

Chapter Three: Celestia's Indulgence

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After a surprisingly short refractory period, Celestia's cock once more stood proudly from her sheath, ready to breed Twilight now, who had been given attention by the solar mare all the while. Celestia had been feasting on the mare's pussy, licking and slathering it with loving laps, taking in her fertile scent and flavor like the finest perfume and ambrosia. As much as she loved eating her new lover out, though, she wanted something more. Now that she had recovered from her last orgasm, the elder mare wanted to claim her newest mare properly. In every way.

Twilight, meanwhile, was loving the firm licks from Celestia's long, warm tongue, her eyes closed as her fluids were claimed by that exploring tongue. It helped soothe the burning within her core as her heat raged on, demanding contentment from the virile stallion she smelled so near, and it felt quite delightful whenever she would find her clit. When the lapping suddenly stopped, Twilight gave a small whimper, having become nearly addicted to the loving licks and pleasure thereof from her favorite mare in Equestria.

"Twilight, dear, are you ready to continue?" Celestia asked softly, using that motherly tone she always did with her most faithful friend, but now with an undertone of salacious inflection. She tasted it in the fluids on her tongue and smelled it in the air: Twilight was ovulating right then, at least one ripe egg within her womb, ready for her sperm to fertilize and make into a foal. That specific stimulus made Celestia's cock slap her underbarrel, needing very much to feel the insides of that fertile mare again and make her with foal.

"Yes, yes please!" Twilight nearly begged, the urge, the need to be filled in a way she had never been before, was now nearly unbearable, with the promise of it actually being fulfilled this time making it that much more intense. She'd never had a heat this bad before, attributing it to Celestia's magic making her more fertile and needy. Before Celestia had even stood up, Twilight had darted upright and half-stood on the bed, her tail flagged over her back and her marehood winking frequently, her chest pressed to the bed while she fully presented herself to her ‘stallion’. A long strand of her thick fluids drooling to the mattress as Celestia watched, making her give a quiet, excited whinny at just how worked up her mare was.

Getting another good, long look of Twilight's dripping folds as she approached her presented target eagerly, Celestia observed once more that, nestled between those slightly-chubby, star-marked flanks was Twilight's estrus-swollen, arousal-glistening, and deep-purple pony-pussy. Her outer lips were many shades darker than her coat, a deep violet, the flesh between her anus and the start of her slit slightly wrinkled so it could stretch well, whether for cock or foal. Its bottom portion gently curved upwards, as all equines' did, with that area hiding the little pink pearl within, which frequently peaked out in Twilight's aroused state, bringing with it a brief flash of her deep-pink entrance. Above it was Twilight's round anus and tail dock, her tailhole the same color as her vulva, while her tail dock matched her coat.

Each time Twilight winked in her estrous state, Celestia felt her erection throb, now fully hardened at the sights and scents of the fertile mare; at Twilight's body begging her to breed her. She gave her mare's pussy a parting lick, getting a quiet moan and a quietly whispered 'please' from Twilight, the desperation in it obvious. Seeing no reason to hold out any longer, and feeling that same urgency herself, Celestia mounted without further hesitation.

Twilight moaned eagerly as she felt Celestia's weight partially resting on her back, her hind legs easing open more on reflex to make for an easy target, winking again and again to present her well-lubed entrance to take her stallion right where he needed to be. She quickly felt the first touch of a stallion's cock on her marehood as Celestia quickly found her target, thousands of years of experience guiding her to her instinctive goal with no delay. "Please, please, yes..." Twilight panted, her body tensing as Celestia's large flare brushed over her clit's hood, forcing it to wink again at the pleasurable touch of its natural pair.

Celestia bit her lower lip as she ground between Twilight's pussy lips, giving a very pleased moan as that silky flesh squirmed and winked against her while she slid between them, hotdogging her shaft as she lubed it up. Twilight gave quiet moans as she felt her ex-mentor slid between her legs and teats, a flash of pleasure going through her each time she winked and Celestia's cock ground against her clit. Her hips were arching up a bit more to make her penetration easier, her pussy oozing her lube all over it to make the slides silky smooth, her depths eagerly anticipating their first guest.

After a while of that, Twilight felt Celestia pull her hips back, then felt that thick flare land on her round anus. Her eyes widened a bit. "B-but you can't...inseminate me if you...put it up there?" Twilight panted out, already feeling really nice from Celestia's previous ministrations, but questioning Celestia's actions. She was brought here to be bred after all, and she knew they couldn't do that with anal.

"No, Twilight, you can't, but I want to feel all of you, everything you have to offer me, and want you to feel all I can offer in return. Plus, I promise I'll have plenty left to give you a foal still; as an Alicorn, I have the stamina to go for much more than once or twice. Would it be OK with you if I were to try anal with you first?" Celestia asked, still pressed softly to Twilight's ponut until she gave permission.

"Y-yeah, I guess so," Twilight said, not quite sure. She'd never even considered anal before, with it never really seeming appealing. But now something new was being presented to her, and she was never a mare to turn down learning or experiencing something she hadn't before. "Will it hurt?" Twilight asked, getting a shake of the head from Celestia as she looked up at her, giving the younger mare a comforting smile.

"Well, with the relaxation spell, and how well-lubed you made me already, I don't think it will very much, if at all," Celestia said, "but just in case..." Celestia then opened a drawer near her bed, pulling out a flask of clear fluid with a pink, heart-shaped glass stopper. She then opened it with a quiet pop and drizzled it liberally over her cock, using her magic to slather the liquid over her whole length well, and got a quiet squeak as her magic applied some to the outside of Twilight's round pucker as well as just within, "...I came prepared. We can just add more lube."

Seeing no real reason to deny her own curiosity or Celestia's desires with all her worries now quelled, Twilight nodded her permission as Celestia's flare pressed against her tailhole again. With some wriggling to spread the lube, then a gentle forward hump, Twilight felt Celestia's flare pop inside her tight ass, then slide another couple inches before stopping.

Twilight gritted her teeth as she felt Celestia's glans barely penetrate her, feeling a slight, throbbing pain as her cock then started to spread her rectum. Despite the initial pain of stretching, she felt as Celestia pressed herself another few inches deeper into her, noticing her head leaning back, tongue sticking out, and hearing a deep moan issue forth from her. Celestia felt the tightness of Twilight's asshole squeezing against her member, finding she was even tighter than that last mare that had allowed her to do this, even though it seemed to be but a faint memory for Celestia since it was so long ago.

Being penetrated her first time felt...weird, in a word. Perhaps it was just because Celestia's sizable dick was up her ass for her first time instead of where it naturally belonged, but it felt uncomfortable and mildly painful to feel something pushed within her and spreading her. Under that weirdness though, it felt kinda good to feel a part of another pony entering her and stretching her like that in her needing state, supported by the very satisfied grunts coming from Celestia.

"Ooooh, you're so tight..." Celestia said, indeed not having had a mate this tight in many, many years.

"Um...thanks?" Twilight asked, her head buzzing lightly in pleasure, pain, and overwhelming arousal. She wanted more, or even better, for Celestia to pull out and breed her properly, but her body needed a moment to adjust either way.

Presuming her mate needed to adjust after taking her anal virginity, Celestia kissed Twilight's ear after adapting to the feeling of her tight, hot rectum squeezing around the top of her shaft. "Are you doing OK?" Celestia asked, getting a nod from Twilight.

"Yeah, it didn't hurt much, it just feels...strange...but a good strange," Twilight said simply, not sure how else to put it.

"Did you need me to stop?" Celestia asked, an undertone of worry in her question.

"N-no, no I'm fine. I just...need a minute to get used to...you."

Celestia leaned in closer, gently giving her mare’s ear a soft kiss, before whispering into it. "It’s alright, take as long as you need."

Twilight soon found her teats feeling rather full in a way she'd never felt before, but she imagined it was likely the spell Celestia had cast upon them. "Celestia, my mammaries feel swollen and...I think 'full' would be apt." Twilight said, feeling an uncomfortable swelling in her teats.

"Mmm, yes, that would be the spell kicking in and starting lactation. I wanted to make sure our foal or foals have plenty to drink, so I figured we'd start early. Plus, just something about a mare giving milk...it just does something for me that nothing else can. How about I help you get rid of that uncomfortable fullness, hmm?" Celestia asked, her tone quite eager.

Twilight wasn't sure how much this was for their future foals’ benefit or Celestia's own pleasure, but she decided to go along with it. After all, she knew it'd likely feel good either way. "Yes please," Twilight answered simply, still feeling that odd fullness in her rump that was Celestia's sizable cock stretching her out, before quickly finding the warm tingle of magic gently caressing around her teats and kneading them like a foal might when seeking milk. Twilight gave a quiet mmm at the pleasant sensations of having her swollen milk-jugs rubbed, with it only adding to the sensations within her ass.

Twilight watched as a large silver bowl was slid between their hind legs, soon after feeling as Celestia's magic slid lower on her teat, before giving a soft moan as it rubbed her areola and squeezed it while the rest of her spell focused on gently squeezing her full milk ducts.

The first squirt of milk spurting forth from her nipple felt, like most of tonight's activities thus far, strange yet pleasant. She heard it impact the metal bowl with some force, before soon after feeling the same from the other teat moments later, unable to hold a groan back at how nice it all felt. Here she was, being milked like a cow, with half a cock up her ass, yet she couldn't deny that she very much enjoyed the sensations. "Mmm, so much already...our foals will be well fed for sure," Celestia cooed, giving Twilight's withers gentle kisses all the while.

As a couple minutes passed, being milked and kissed meanwhile, Twilight squirmed around some to get more comfortable, and because of the pleasure coming from her teats, she finally nodded. With her ultra-tight muscles all the while holding Celestia's shaft in a most pleasurable stranglehold, Celestia took the cue and nodded back, before starting to slide slowly deeper into Twilight's bowels.

Twilight grunted as Celestia got ever deeper, feeling filled in a way that satisfied her somewhat, but still didn't feel quite right deep down. She knew why; her body wanted to be bred, and this wasn't the right hole for that. She gasped slightly as Celestia's medial ring slipped in and stretched her that little bit further, the herm replying with a shiver atop her.

Celestia moaned herself in reply, her eyes lidding as she felt more and more of her mate's tight warmth surround her. Finally she felt Twilight's plush ass and its soft fur against her thighs, her balls touching her vulva moments later, and quickly realizing she had hilted her. Celestia simply held still for a moment to savor the feeling of being balls-deep inside her lover, before her penis throbbed once within Twilight, loosing a burst of precum. She chose then to slowly withdraw. "Oh Twilight, you feel so goooood..." Celestia cooed, taking the chance to kiss all over Twilight's neck and ears, showing her love and thanks to her lover.

At the same time, Twilight was starting to feel rather good herself, the pleasant fullness quite satisfying even in this hole. Celestia started to pull out and push back in at a steady, if slow, pace. Twilight's eyes eased shut as her sensitive rectal walls were stimulated, making her vagina clench at the shared sensation of Celestia's rod rubbing inside her, only a narrow strip of flesh separating her thickness from it.

Twilight's clit winked, her mind settling into a pleasurable fuzziness as Celestia's shaft slid against the wall connecting her vagina and anus again and again, all completely smooth thanks to her own natural, and the artificial, lube coating Celestia's cock. This wasn't as bad as she was expecting. "You can go faster, if you want," Twilight said, getting a nod from Celestia as she did just that.

Celestia was thrusting at a moderate pace now, wonderfully hindered by the warm tightness surrounding her despite all the lube, her eyes closed and lips pursed at just how good it felt to be inside another pony like this again. Pulses of pleasure flowing through her as Twilight's tight, tight back passage surrounded her stallionhood, her head pressing back into the pillow even harder as Twilight's insides held and constantly rippled over her.

"Twilight, I'm getting close," Celestia warned a short while of passionate humping later, just getting a nod from Twilight in response. She was still holding back for Twilight's sake despite wanting to rut her until she herself was satisfied, but knew she had far more important uses for her sperm than wasting it all in Twilight's back passage or mouth. Of course, two orgasms' worth wouldn't hurt the odds that much, she supposed.

Twilight could already tell Celestia was getting closer, feeling the cock of the alabaster mare atop her pulsing more frequently within her, feeling herself being spread open just a bit more with each, now rapid, thrust as Celestia started to flare. The kisses along her neck were also getting more rough and feral, Twi even feeling a gentle nip here or there, adding mild pain to her pleasure and intensifying it momentarily, though she had to admit the extra attention was only adding to the experience.

Finally, a few thrusts later, Celestia growled ferally as she bit down on Twilight's crest hard, getting a startled, pained yelp from the bitten mare. That was the prelude to her rectal walls being spread further as Celestia fully flared, followed immediately by Twilight feeling harder, faster, rhythmic throbs deep within her, each one accompanied by a warm, wet burst. Celestia, a virtual goddess, the mother figure to both herself and all of Equestria, and her mate, was cumming up her ass.

Celestia pinned Twilight down onto the bed, while also tightly gripping her forehooves around Twilight's sides in an instinctive bid to keep her mare in place, to hold her there until she was thoroughly inseminated. Twilight cooed despite the fact that this felt so utterly foreign to her, as well as mildly uncomfortable being pressed into the mattress, more and more warmth flooding her bowels in gushing pulses. The feeling of being filled up made her clit wink and her vaginal muscles squeeze down as though to pull it all deeper into her, even though it wasn't in the right hole. Just being cum into at all while fertile felt better than she had anticipated. "Oh, Celestia..." Twilight said, her eyes shutting as she simply enjoyed the feelings going through her.

Nothing can last forever, not even an immortal's orgasm, apparently. Eventually, many seconds later, Celestia's throbbing shaft spurted its final small shots then stilled, though her flare was still swollen thickly to keep everything inside. Celestia still held tight to her mate until she regained some semblance of self, realizing she still had a flap of skin and hair between her teeth in the form of Twilight's crest. Releasing it, and realizing she'd left a mark, she felt a bit bashful she'd lost control of herself like that. "I'm sorry I bit you. I just...get a little too into it sometimes, and especially after so long without a mate..." Celestia said, before feeling a nose on her foreleg, looking down to see Twilight nuzzling against it with a rather silly expression on her face.

"There's so much, and it's so warm..." Twilight said, having a dopey grin, "...I know the books say a stallion's ejaculation is only one-hundred-eighty to two-hundred-fifty milliliters average, but you let out so much...this is so much more than that. Maybe it's because you're an alicorn and everything's bigger down there..." Then Twilight blinked. "...oh, and don't worry about biting me. That actually made it that much more intense when you...ejaculated in me," She blinked again, then twice. Then what had just happened dawned on her fully. "Oh...we just had sex...and you...you just deposited your semen up my butt, didn't you?"

"Yes, yes we did, and there's probably so much because it's only my second orgasm, and it's been so long since I last released," Celestia said, wriggling her hips as she grew too soft to remain inside Twilight anymore. As she popped out, her flare no longer damming it up, a veritable flood of semen gushed from Twilight. Both watched in awe as what felt like a half a liter of cum came from Twilight's ass, pooling on the bed. “I still have so much left too. I still need to get you with a foal after all, so the rest of what I have will be going directly into your womb.”

Twilight watched Celestia’s shaft hardening again already, only a couple minutes after such a huge cumshot, and her balls were still as big and swollen as ever. Seeing her cast a cleansing spell on her member, in preparation for the next round no doubt, Twilight knew it was going to be a long night.

But she couldn't wait to find out what being truly bred felt like.

Chapter Four: Celestia's Lust

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After another short recovery, Celestia's member was once more as hard as stone, ready to do as Celestia promised and breed the mare before her. "Are you ready to become a mother, and make me one too?" Celestia asked Twilight sensually, getting a quick nod, and a shiver of anticipation, from the younger mare as she rolled onto her back. Truly, Twilight's pussy was burning hotter than ever before from all the previous stimulation without release, making her crave a cock to fill her, and the heat-calming cum that came with it.

"Yes, please," Twilight responded simply, nodding her consent, "'breed me', I think it's said. Inseminate me, Celestia. Make me bear your offspring."

Hearing such a salacious, yet distinctly adorkably 'Twilight', thing from her once-innocent student, and knowing they both wanted the same thing, Celestia mounted Twilight again as the latter lay on her back, hind legs spread. In this position, they were chest to chest, muzzle to muzzle, with Celestia taking full advantage of that fact as she rubbed noses with her mate, before meeting her lips in a loving kiss.

As the Princess of the Sun kissed Twilight, her hips were meanwhile at work seeking her wanting entrance, humping gently until, a moment later, she felt a wet warmth on her flare. Knowing instinctively she'd found her target, Celestia shifted her hips forwards and pushed in slowly.

Twilight gasped as she felt something within her parting and stretching deeper into her belly the further Celestia pressed into her. At the feeling of Celestia's member spreading her marehood's muscles open for their first time, Twilight whimpered at the strange, mildly painful, and fairly uncomfortable, sensations in her maiden canal, biting her cannon to help cope with the mild cramping that came with it as Celestia slid ever deeper. The entry was extremely smooth though, with her being well-lubed given her intensely aroused and fertile state.

"Shh, it'll be OK soon...or do you need me to stop?" Celestia asked as she paused a few inches in, despite that being the last thing she wanted to do. She'd not had a virgin share her bed for a long time and, just like her ass, Twilight's pussy was very tight, but also nearly hot, as would be expected from a virgin mare in heat. She could feel Twilight's nearly crushingly-tight inner muscles grasping down on her cock desperately as they seemingly molded to it, before loosening again, adjusting to allow its first guest further entry.

"N-no, you can keep going," Twilight said, her head buzzing with pleasure already despite the discomfort. "Please?" The experience was almost overwhelming, but the sensation of being filled up in her most fecund time was almost addictive. The feeling of having something so perfectly paired to her needs within her, something long and hard for her desirous muscles to squeeze down on; something penetrating her after so many years and estruses unsatisfied. Something utterly satisfying spreading apart what lay between her legs.

"Of course love, but relax your muscles please. I can't get deeper with you so tensed up in there," Celestia said, and Twilight nodded, willing to do almost anything to get more of that satisfying fullness. It took a moment for Twilight to find the right muscles to control, but eventually loosened enough for the mounting mare to pull out just a bit, before continuing to sink deeper into the fertile warmth engulfing her length. The feeling of her going even deeper made Twilight whimper, her muscles spasming and squeezing down on Celestia's cock.

"Theeere we go...getting nice and deep inside you now..." Celestia said in a breathy tone, then wriggled her hips to make further entry easier, her head easing back again as she felt her medial ring press to Twilight's vulva. As that sensitive band of cartilage was soon brought into the soothing warmth as well with a little added pressure, it forced a moan from Celestia. Twilight moaned too as the wide ring rubbed over her clit on the way in, prompting a wink from it and a string of Twilight's fluids drooling from their union down to the bed.

Twilight found a pleasant buzzing starting in both her head and nether again like when Celestia had been up her ass, one that intensified more the deeper Celestia got, but this one was different; this sensation was much more deeply satisfying. She let loose a quiet moan as she felt full, like her instincts demanded of her, and in the correct hole now; felt like the mare nature built her to be, to accept a stallion's penis within her, receive his seed, then carry his foal. She pushed back eagerly into Celestia's insertion, neither stopping until Celestia's balls pressed to Twilight's asscheeks, her flare meanwhile pressing hard against something firm and very deep inside Twilight.

"Oooooh~" Celestia groaned out, eyes softly closed as she fully hilted her mate, feeling a tight little ring on her flare as she pressed to her furthest vaginal depths. Twilight too savored the feeling of being fully entered, her instincts screaming how right and good this was, rewarding her with another rush of pleasure hormones as she felt the distinctly male hardness deep inside her, warm and softly throbbing. She could swear she could feel Celestia's rapid pulse through her constricting walls, only making her realize just how real this was; that she was getting fucked by the princess's royal cock, and would soon be filled with her sperm. Her ovum would be fertilized by her stallion like a good mare's should be, and she would carry their young. Twilight only too eagerly anticipated it.

"I...I can f-feel your heart beating through your...p-penis..." Twilight absentmindedly said, gently pressing a hoof to the slight cylindrical bulge Celestia's hardness left in her lower belly. She had rubbed her pussy while both in and out of her heat before, but this felt like that, times twenty, and all so satisfyingly far within her instead of just at her entrance. "...I can feel you...so far up inside me too..."

"Mmmhm, I know that feeling all too well from each time I took a stallion to bed. Perhaps I should have another foal with a stallion too in the future, with your permission of course." Celestia mused, smiling at the fond, sensual memories she'd retained, even after so much time had passed since her last time with a stallion, and further past memories of the last time she'd allowed one to give her a foal.

Twilight, in her curious nature, wondered what it would feel like to have somepony ejaculating inside her, making her pregnant, breeding her, but she knew she wouldn't have too long to wait to find out. She soon focused on the now as Celestia slowly pulled her hips back, making a certain hunger grow within Twilight the more that was taken away; the overwhelming desire to have it all back, deep inside her again.

When her need was at its peak, when Twilight was about to beg for Celestia to give back what she'd merely had a taste of, she slowly slid back into Twilight, prompting a soft groan of pleasure from both. More and more stallion cock filled Twi again, its flare ending up kissing her cervix again. Celestia once more withdrew, leaving that hollow feeling once more needing to be filled, before she quickly entered Twilight again, then repeated the pattern further.

"Hmm-mmm...feels like your teats are full again..." Celestia cooed, before once again starting to milk Twilight with her magic, kneading the life-sustaining fluids from her, quiet splashes of mare-milk impacting the already-present fluid inside the container beneath her. The sensations of being milked only added that much more lovely stimulation to Twilight's already-overloaded mind, her back legs quivering.

Eventually they developed a rhythm, with Celestia pressing in to the hilt, and Twilight pushing back and up to help her get as deep as possible each time. The latter learned to enjoy the contrast of the desperate emptiness soon being rewarded with the satisfying filling, having Celestia's cock filling her up and leaving her feeling complete once again.

Hearing second-hoof accounts from her friends about how good sex during estrus felt was one thing, but their words couldn't describe how completely contenting it was. How right it felt to have something long and firm and thick sliding in and out of her fertile pussy, the insistent screaming of her mind for her to find a stallion quelled now that she had and he was breeding her...even if it wasn't quite a stallion atop her, nor a 'he'.

Each motion brought with it a wave of pleasure as Celestia stirred up her insides, Twilight starting to see why there was so much ado about sex, especially during the mating seasons when mares were more sensitive. They kept at their slow pace for a while before both wordlessly agreed to speed up, Celestia ramping up her humps to be that of a moderate pace now and Twilight ramming her hips back to accept her deeper. The moans and other pleasured sounds were more frequent now between them, Twilight's head pressing back into the pillow at how much nicer it felt to go just that little bit faster. "You, um, can go f-faster if you want. I d-don't mind," Twilight said, her cheeks having a gentle sex blush to them.

"Mmm, I'm so p-proud of you T-Twilight..." Celestia purred as she continued to claim her broodmare, balls slapping against her plush ass now as she sped up, "...able to take m-mmm-y full cock into all three holes? Not every mare could do that."

Twilight felt her cheeks flush warm from such a lewd compliment, and at hearing Celestia speaking so lasciviously, sure that her cheeks were glowing brightly as she looked away. "I, um, you feel really good all the way inside me too..." Twilight admitted, feeling Celestia maintaining the speed of before, "...b-but...can you p-please go a little f-faster again?"

Celestia simply nodded and ramped up her efforts, prompting a long moan from Twilight as she started to truly fuck her mare in earnest, her full thrusts growing harder yet. Celestia's balls slapped to Twilight's flanks loudly with each hilting thrust, the loud, wet pat-pat-pat reverberating in the high-ceiling room.

Twilight's pleasure exploded as Celestia's balls hammered her flanks, and her flaring dick churned her passage and pounded against her cervix like a battering ram, feeling as her medial ring rapidly passed over her winking clit. Without the spell, she knew she would have cum, probably multiple times, from that sensation of her 'stallion' flaring and readying to cum in her alone, but all she was able to do for then was enjoy the mini-orgasms she was permitted instead. It was almost torture to not be allowed to fully release when she needed it so badly, but she knew it was for the better. After all, she knew from previous masturbation sessions how intense a denied orgasm, or possibly chain of orgasms, could be when finally allowed, not to mention the increased chance of conception if sperm was introduced into her first before she came.

"A-alright...I'm getting...s-so close..." Celestia whispered passionately, "...r-ready to become a mother, and make me a s-sire again too?" The moment Twilight nodded, it wasn't two more humps before Celestia's muzzle pressed to Twilight's in another kiss as she froze up, her eyes sealing as she rammed herself into her mare hard enough that time that Twilight yelped into her mouth when it rammed hard into her innermost ring, sealing against Twilight's cervix. Just the thought of Celestia filling her up and making her a mother made Twilight hornier than ever, as she felt inch after inch of her flaring cock buried into her again and again.

Twi could swear Celestia's huge cockhead was pressing right behind her navel, but knew it was instead kissed right to the mouth of her hungry womb, ready to feed it a huge load of cum. Hearing the elder alicorn's pleasured sighs, feeling how rock-hard she was, especially her flare, and her near-scalding breaths washing through the fur on her neck...it all felt so very perfect.

"C-cumming! Take it all, my broodmaaaare!" Celestia groaned, before biting Twilight's ear as she rammed her hips home one last time. Twilight's insides were hot as an oven and ready to start baking, and the elder alicorn was more than ready to provide the foal-batter that was needed to start that little bun's eleven-plus months within it.

Twilight meanwhile felt a mild pain in her ear as Celestia bit it and hilted her again, feeling as her flare grew what felt like twofold inside her from its already impressive size. That sensation, of the thick hardness stretching so deep inside her, triggered a feeling of deep satisfaction as she felt her stallion flaring inside her fertile body. "Y-yes!" Twilight cried out as she felt Celestia's whole shaft and balls pulsating hard in a rhythm as she held deep, before finally, Twilight felt it.

Celestia let out an ear-muffled whinny and Twilight a quiet 'ah!' as she felt a great burst of warmth deep inside of her, then more and more, as well as the mighty pulsations of Celestia’s cock as her prodigious royal load pumped into her rapidly. She could swear the herm came just as much as the previous times despite this being her third orgasm within twenty minutes, if not somehow actually squirting even more of her virility into her, quite obviously wanting to make sure she was good and properly bred.

"H-ho-my-gosh, so that's what a pony ejaculating inside your womb during estrus feels like..." Twilight mused, loving each rapid throb and accompanying warm burst slamming against her cervix. It was beyond anything she'd ever felt before, the squirting of cum onto her most inner depths a balm that soothed everywhere it touched. The feeling of Celestia pulsing her semen inside her while she was in heat felt better than any orgasm she'd ever felt before, the sensations of being bred so utterly fulfilling that she couldn't even hope to compare it to anything else she'd ever felt, nor contain the sounds of pleasure it forced from her. "...ah...ahhhh...I love it!"

Twilight was rewarded with another mini-orgasm as Celestia continued to hump all throughout her own long, full orgasm. She kept squeezing down with her pussy, instinctively milking spurt after spurt of hot, sperm-rich alicorn cum from the twitching cock buried within her. She felt it decorating her insides a pearly off-white as Celestia nickered her pleasure, planting soft kisses on Twilight's ear after releasing her love-bite.

"Mmm, having a foal squirted into you feels pretty good for you too, huh?" Celestia asked after cumming for nearly half a minute. She stopped humping for a moment and slid out with a loud schli-pop of breaking suction, a small stream of her cum oozing from Twilight's spread lips as the massive flare keeping it all in slid out, the rest held deep inside. "How about we try something different?" Celestia only stopped humping for long enough to move Twilight onto her side with her magic, and to lift Twi's back leg and hold it against her own chest, before plunging right back into her still-gaping marehood.

Twilight moaned deeply when Celestia filled her again, her flare's ridge scraping against a particularly nice spot within her at the new angle. Twi let out another long moan and squeezed down on her inside, rocking her hips as well as she could in her position to keep her there. "There, there, a-aah-yes..." Twi whimpered desperately, clit winking and an off-white string of their combined fluids drooling from her to the bed.

Celestia kept humping away, seemingly lost to her bestial urges, only quiet grunts or muffled breeding whinnies coming from her throat. She kept a tight grip on Twilight's leg, her hips a flurry of rough, feral thrusts. "G-gonna-hah-gonna knock you up...make you carry my foals..." Celestia grunted out between thrusts, her voice deep and gruff.

Twilight was in awe of how lost her lover and ex-mentor was in the act of breeding her, and in awe of just how good it felt to get pounded by such a nice, big stallion dick. How full it made her feel, and how perfectly it rubbed her insides, Celestia's medial ring rubbing over her clit's hood each time it entered or exited her, and how her flare packed her first cumshot into her womb. "Yes, I want it...I wanna carry your foals..." Twilight mumbled out, feeling another hilting thrust filling her again, and getting that much closer to fulfilling her demands again.

It wasn't long before, working purely on the instinct to breed this fertile mare as much as possible, and with no concern for her partner's pleasure at this point, Celestia quickly worked herself to orgasm again within Twilight's nearly-hot pussy within a minute. Humping away with wanton thrusts, the elder mare whinnied out loud as she slammed home inside Twilight again and her swollen flare sealed against her deepest barrier, pumping out another hefty load of creamy stallion cum deep into her broodmare's fertile passage and womb as she bit at her neck this time.

Twilight, meanwhile, was entering a state of delirium from being fucked so much without stop, high on the endorphin and dopamine rush, relishing the feeling of more hot, virile cum washing deep inside her and cooling her estrus's burn. Her mind was focused only on the satisfaction of being bred, focused on each warm spurt of potent semen released and pooling deep inside her; focused on accepting her stallion's sperm into herself as she felt each jump that Celestia's cock made inside her. "I...I love this! I love your penis!" Twilight cried out as she squeezed down her muscles as well as she could, milking Celestia for her seed, craving it, focused on getting every last drop as far inside of herself as possible. She was rewarded for her actions when Celestia started softly kissing her bitten neck, getting a pleasured trill from Twilight at the sensations.

After another so-brief break to position Twilight so she was half-standing now, with her forehooves folded under her chest on the bed, hind hooves on the floor, and ass in the air, Celestia's larger form was now mounted over her in a variation of the position their feral ancestors made foals in. As the alabaster mare thrust into her depths once more, Twilight felt a thick fluid, undoubtedly some of Celestia's excess semen, squelching out of her pussy and down her hind legs, with the large stallionhood's reentry displacing some of the excessive amount already inside her while forcing the rest deeper. "H-holy hay, h-how are you still going? And how did you ejaculate so much?!" Twilight asked, but her only answer was a firm, hilting thrust from Celestia, as well as the accompanying burst of satisfaction and pleasure for her that came with it. Celestia apparently far beyond words now, the only sounds from her being the hard huffs of her breathing, and the occasional moan, or quiet nicker or whinny.

The feeling of Celestia's underbarrel grinding against her croup with each hump made Twilight groan at the primal satisfaction of having a pony mount her properly, feeling her thrusting away, still as hard as she had been before Twilight gave her a blowjob, even after cumming four times. So, instead of questioning how, her mind was soon pounded into a state of pleasured limbo, sex hormones flooding through her veins as she was fucked into mental oblivion.

Eventually, Celestia bit down again on Twilight's crest, yanked on it harshly, and thrust hard into her, Twilight giving a quiet yelp as she felt Celestia's swelling flare ram deeper than ever before inside her. She felt something deep being spread apart, her eyes closing at the blissful, if mildly painful, sensation of welcoming her mate as far inside of her as her stallionhood could get. Thanks to her estrus and the relaxation spell, she'd later realize, her cervix was almost totally dilated. Her innermost ring permitted Celestia's swollen flare past itself with no resistance, leaving it sitting at the base of the completely unprotected mouth of her fertile womb.

Celestia's flare was now poised to fuel Twilight's foal-factory directly, and the older mare tensed up again as her flare swelled up, locking her into Twilight's womb until her climax was done. She started to tremble again as orgasmic bliss once more took her, Celestia's body awash with the satisfaction and strong pleasure of once more finishing inside a fertile mare...and this time, directly into her womb itself.

The strange but right feeling of hard jets of cum impacting right against the back of her womb made Twilight give a deep, throaty moan as she felt an involuntary shiver go through her, the sensation of warm stallion spunk washing her furthest depths gratifying beyond description. She constantly rippled her inner muscles over the throbbing stallionhood on reflex, ramming her hips back to try to make that turgid flesh go even deeper, though Celestia's hips were already pressed as tightly to her own as equinely possible.

Celestia shuddered atop her as she just kept on dumping her nuts and glands into her mare, her longest, most extended orgasm yet coaxed on by the feeling of Twilight's cervix clamping down beneath her flare's ridge, her pussy kneading along her whole member on reflex, and her foal-oven itself suckling her flare. "Mmm-mmph, t-take it all..." Celestia said dreamily as she still came, "...c-cum for me...d-don't stop c-cumming. T-take it all...get pregnant for m-me!"

At that command, the spell preventing her climax was released, and Twilight was instantly launched into the most intense orgasm of her life, so intense it was like all those she'd been denied were hitting her all at once. A very loud whinny ripped from her throat as her whole body started spasming and she lost control of herself, her hind legs hiking up from the very intense pleasure overtaking her, leaving her face down and ass up to allow the sperm to drain deeper into her womb and oviducts.

The stimulation and denied climaxes of before made this build up to an extremely powerful climax. Twilight's pussy and womb contracted rapidly and rhythmically, her uterus greedily pulling in all the semen it could from Celestia's still-pulsating cock. Her rhythmic contractions drew her mate's many billions of sperm towards her right fallopian tube, where her egg, or possibly eggs, awaited to be fertilized by the most worthy of them.

As soon as one orgasm tapered down for Twilight, another one immediately started, the continued thrusting of Celestia's shaft as she once more started to breed her now overstimulating the young mare. "C-Cele..." Twilight mumbled, feeling as her belly expanded a bit from the sheer amount of the four full loads of thick alicorn foal-batter now filling her womb and being compacted into it with each thrust. She almost wanted to ask Celestia to stop, to end this nearly tormenting pleasure, but instead Twilight said something entirely different. "...please, m-more!"

Celestia curtly nodded as she kept thrusting at both Twilight's and her own instincts' demands, but the younger mare now seemed to be completely oblivious to everything else but the pleasure of being fucked and filled and bred, squeezing involuntarily around the cock that was so pleasuring her as she came and came, one orgasm's end only chaining into another's beginning. Eventually, it all became too much for her as the herm once more penetrated her cervix and directly fueled Twilight's foal-factory again, the throbbing and warmth making her cum again as she finally reached her threshold. Her moan cut off midway, and she went limp as her world went dark.

Once she gained enough of her senses back after whitewashing Twilight's uterus with another large cumshot, Celestia realized how limp Twilight was. She was concerned about how her near-constant moans had silenced, but couldn't stop her hips' movements despite how tired she herself was getting, still lost to her stallion breeding instincts. "T-Twi? Are y-you OK?" Celestia asked, but still couldn't compel herself to stop humping. After all, she could feel Twilight's rapid pulse through her pussy's walls, and thus knew that at least her heart was still beating, and could hear the rapid panting coming from her nose too.

A minute more of fucking the unconscious mare later, Celestia pierced her cervix again and dumped another smaller, yet still extremely virile, load right into Twilight's womb again, groaning her pleasure as she inseminated her once more. Her urge to breed was finally wilting after her sixth ejaculation, even her godly endurance and semen production having its limits.

Yet still she humped into the unconscious mare, knowing she still had at least one more good one in her, her instincts wanting to make sure Twilight was properly impregnated, despite the fact that the first ejaculation inside her marehood, though certainly the first one directly into her womb, had likely sealed the deal. Despite the fact that most of her additional cum was leaking out of Twilight now, and onto the totaled mattress instead, as opposed to staying inside her already stuffed womb and passage, she kept going. She could tell Twilight came again and again even while she was unconscious, from the tight, rhythmic, kneading grasps of her passage on her length and the quiet whimpers, her sleeping body still welcoming more of Celestia's sperm inside of her subconsciously.

Finally, minutes later, Celestia gave a wary groan as she flared, penetrating that loosened ring one last time, and her final load drooled out of her and into Twilight's uterus, a mostly-clear, thin, paltry amount that was likely barely half an ounce, her body completely drained as she dry-pulsed the rest of the time. After her seventh orgasm, she finally slid her wilting cock from Twilight's again-orgasming pussy, the still-swollen flare immediately followed by a deluge of her cum. "Oh no, we...we can't have that..." Celestia said tiredly, and, with a sigh and a smile, lit her horn and used a magic rod to push all her semen up into Twilight's womb, before sealing her cervix with a small force-field spell to keep all her cum inside her; though she knew she'd likely already fertilized her, it didn't hurt to make sure, she thought. "...no, you need all that to make our foal."

Celestia then added, as an afterthought, "Oh, and you can stop cumming now, love. I think you've done all you can to bring my sperm deeper." As Celestia said that, Twilight quickly collapsed to the bed, her tense, orgasmic expression turning to a small smile instead as the spell was nullified.

Now thoroughly drained and satisfied, and certain Twilight was too, with her pent-up libido spent entirely in the hour of constant fucking - and that's not counting the foreplay - Celestia curled up around Twilight, making the smaller mare the little spoon. A hoof soon rubbed over Twi's belly, finding that it was slightly bulging as though she was already partially into the pregnancy. "Oooh, I put a lot into you, didn't I? You're going to be with my foal for sure." Celestia cooed, rubbing that squishy mass of cum through Twilight's abdomen, knowing that soon she'd be doing the same when Twilight's belly swelled up with her foal instead in the coming months; that she'd be feeling her developing child there instead of just her semen.

Knowing she only had enough time for a short nap before she'd need to lower the sun, looking out the window to see the sun lowering in the evening sky already, and rather exhausted after such a performance and so many orgasms, Celestia closed her eyes as she spooned with Twilight. Soon, her dreams were alight with the possibilities of what their foal or foals could look like, with Twilight dreaming the same.

Both dreaming of the future they would have together, sparked by this intimate afternoon, and lust fulfilled.

Chapter Five: Celestia's Morning After

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Twilight woke up blearily, to bright sunlight blaring in her eyes, the sensation of something soft nuzzling gently between her stiff wings, and the scent of sweet griddled goods and fried eggs. Not the worst way to wake up, all things considered, besides the sun shining in her eyes and an ache in her lower belly, of course. Rubbing her eyes with a knee each, as though she could force the bright morning sunlight itself from them, she sighed happily as the nuzzles moved up from her back to her neck, feeling a warm exhalation there, before the large, perusing muzzle paused and she felt a kiss planted there, before trailing up to her cheek. She saw a flash of the alabaster white muzzle and the multi-hued mane she knew all too well, before turning her head to look back at her now marefriend and stud, Celestia.

"I'm sorry, I hope I didn't wake you too early," Celestia said, giving a soft smile, "but I didn't want your breakfast getting cold." As she looked where her fellow princess had spread her wing towards, Twilight saw that laid out on a silver tray on the bed was a plate with fried hashbrowns, an egg scramble with tomatoes, cheese and spinach topped with hollandaise sauce, and a side of soy-bacon. A side plate held a short-stack of pancakes with syrup, and there was a bowl of assorted fruit pieces and berries on the other side. Her favorite breakfast, as Celestia well knew.

"Oh, you didn't have to..." Twilight said meekly, though she was indeed starving like she had been after trotting the previous year's Running of the Leaves, and had no intention of turning down such a delectable feast. Sitting up, Twilight felt as her coat stuck to the sheets, clearly the dried remains of something sticky binding her to the bed. With a small tug, Twilight freed herself, seeing a large white stain on the mattress, and another contrasting her lavender-purple coat as well.

Now that the endorphins from the previous night had worn off, Twilight realized that she had minor aches in her right ear, in her neck and crest, between her legs, and in her lower belly – and a full, almost fluttery sensation in the last two as well – the previous night came flooding back to her. "...I wasn't dreaming that. We really did have sex so you could breed me and...get me pregnant, didn't we? And then...before...you asked me to be your marefriend...?" Twilight deadpanned.

"Yes, yes we did, and you passed out in the middle of it," Celestia said, her cheeks flushing with a tint of red, surprising Twilight at the display of embarrassment, "I'm afraid I lost myself to my breeding instincts it would seem, and I may have kept going a few times even after you did."

"Oh, oh wow..." Twilight said, wincing as her inflamed and aching marehood brushed against the bed, and with it, her jaw, and her anus too were still a bit sore and swollen from the utter pounding she'd taken the previous night, "...jeez, you weren't kidding about being pent up. That must have been, what..." Twilight paused, doing a mental tally, "...five, six full ejaculations from you? How...is that...is that even possible?"

"Seven orgasm. The last two were mostly dry, though. Alicorn biology is a strange beast, given our rarity," Celestia started, before giving Twilight's neck another kiss, getting a delighted little giggle from her, "All alicorns, save for you, strangely, are hermaphrodites. It seems our bodies want to change the trend of our race being uncommon by allowing us to breed many mares, one after the other, with barely any refractory period between them. To increase those odds of more alicorn foals being conceived, I suppose.”

"Seven orgasms?" Twilight asked, a hoof brushing her still-swollen womb in awe.

Celestia nodded, then paused for a bite of cake before continuing. “Of course. I was once known as ‘Celestia, The Goddess of the Sun, Fertility, and Virility’ for a reason after all, but that doesn't really roll off the tongue. Anyhow, alicorns taking a stallion’s seed and carrying foals ourselves is quite possible too, as well as having the sex drive and virility to consistently keep multiple mares in a herd sexually satisfied and pregnant. It’s as though we alicorns are designed to breed more of our kind," Celestia said, before stopping for a beat, "Oh, I do hope Luna and Cadence don't mind me sharing that information, nor me revealing that about Flurry Heart."

As Twilight considered that new information – that her niece, sister-in-law, and the Princess of the Night, who may soon be another sister-in-law, indeed had both mare and stallion parts as well – she quickly dismissed the thoughts, about her niece especially, before they could drive her mad. "Well, thanks for sharing that..." Twilight said uneasily, before focusing on her meal again.

Celestia uncovered her own tray, revealing a plate containing the same as Twilight's, but with a large slab of chocolate cake on the side too, which she’d already sampled. Laying upright on the bed at Twilight's side, bringing her own food tray over and buttering a piece of toast with her magic, she noticed Twilight seemed to be getting uncomfortable with her talking about her family like that...and the implication of her brother’s bedroom activities with Cadence. "But enough of that for now. Come now, you should eat. After all, you shall soon be eating for at least two."

"You're probably right,” Twilight said as her hoof trailed to her lower belly, and she rubbed over the small lump that still resided there from the excessive contributions to their foal Celestia had donated the previous night, feeling a nearly solid mass beneath her flesh, locked inside her womb by Celestia's magic. “Wow, you really did put a lot in me..." Twilight said, before feeling her stomach rumble. Deciding that food was more important right then than dwelling on Celestia's impressive semen production, no matter just how impressive it was, she grabbed a fork with her magic and dug into her plate of food.

"Yes, but I shouldn't produce so much next time. I was just extremely pent up from lacking a mate for so long. Next time, I should ejaculate perhaps as much as a normal stallion each time I cum, maybe just a bit more," Celestia replied, before biting into the toast with a satisfyingly crisp crunch, "and I likely won't go seven rounds again either. Maybe just two or three or so, like a normal stallion...at least until you go into heat again probably. Then I can't be held responsible for how much I produce or mate you!"

"Next time?" Twilight asked, nearly dropping her fork at the idea. She wasn't sure why, but she thought that something like the previous night could only happen once; that something so special, and sex so mindblowingly good, seemed impossible to have happen more than once in a lifetime.

"Well, if you were so willing, yes. I did ask you to be my royal consort," Celestia said, chewing the toast at a languorous pace, "I mean, if you wished to be chaste outside of possibly having another foal within the next couple of years or so after this pregnancy, I suppose I would be willing to oblige though, if reluctantly." After the previous night, though, Celestia almost couldn't imagine not feeling Twilight's warm insides caressing her shaft again for another two years. She could barely imagine spending a week without such pleasure, after feeling the warm squeezing of a mare's pussy on her shaft again after so long.

"No, I didn't mean that...it's just, something like last night felt so...well, so very special. So much so, that I didn't imagine ever being able to do something like that again with you." Twilight said, though as she said it aloud, she heard how silly it sounded.

"Well, I won't doubt it was very special sharing last night with you, and the reason for why we did too, but sex is certainly not exclusive to just when we wish to have more foals," Celestia said, smiling, "If you ever wish to be intimate again, or even to just cuddle or talk, all you need to do is ask me."

"Yeah, of course..." Twilight said, before getting a somewhat bashful expression on her face, "...would, um, would you like to cuddle now? I really feel like I could use a hug. I'm still trying to take this all in."

"Of course we can," Celestia said with a smile, opening her hooves to her long-time friend and protege, and now lover, as she balanced on her haunches. Twilight stood and wrapped her hooves around Celestia's shoulders, feeling as Celestia's own wrapped around hers as well, but was surprised at what she felt next. She felt as the older mare's huge, snow-white wings surrounded her too, knowing from her past research that in Pegasus culture - and presumably, by extension, Alicorns' also - that this was a type of embrace shared only with those that the pony giving it viewed as very precious to them; that it was usually limited to family, best friends...or life-mates.

At such an intimate gesture, Twilight felt tears coming to her eyes, never feeling as loved as she did at that moment, feeling Celestia's soft, downy feathers covering her in a cocoon of warmth and comfort. That she ever would have doubted the mare's sincerity of loving her, ever thought that she'd just be a quick lay to her and a broodmare for her royal foal, were foalish to Twilight then. Doubly so as Celestia met her lips with her own again.

They were quiet as they simply kissed softly for a while, taking in the scents and flavors of the other, holding and being held in the quiet morning as tingles ran through them. Eventually their lips parted with a quiet smack, both looking into the other's eyes; pale cerise meeting brilliant violet, both pairs showing the fiery blaze of love each pony held for the other.

Before long, Twilight broke the embrace before it became more heated, feeling like she needed some fresh air. The room suddenly felt stiflingly hot to her, and the embrace that was once comforting became constricting. "I'm sorry, excuse me..." Twilight said as she pulled herself from Celestia’s forelegs suddenly, then retreated from the bed, leaving a very bewildered, and seemingly saddened, Princess Celestia upon it.

Twilight pushed open the doors to the balcony, taking in a lungful of crisp morning air, before exhaling in a sigh. She sat there upon Celestia's tower's balcony, looking over the whole of Canterlot; able to see Ponyville in the distance, part of the Everfree Forest, Appleoosa, Manehatten, and most of the rest of Equestria from that height. This vista always brought her to awed silence: the sight of all that Celestia and Luna ruled, and many of the lands she'd traveled to with her friends in their past adventures.

In time, Celestia joined Twilight on the balcony without a word said, sitting beside the purple alicorn she'd watched learn and grow so much in the past years: gaining friends and learning the magic of friendship, saving Equestria time and again with them, ascending to alicornhood, becoming the Princess of Friendship and spreading the magic of Friendship to everycreature, and now becoming the mother of her foal and soon to be her royal consort. Before she knew it, Celestia found herself once more embracing the smaller mare, but with only one wing this time. She also found her vision blurred as she looked over the land she ruled, before looking over to Twilight with a smile despite the tears.

As she saw Celestia crying, Twilight was worried she was at fault, hoping that her brushing off her affections earlier hadn't hurt her. "Are...are you OK?" Twilight asked, simply getting a nod from the elder mare.

"I'm just..." Celestia started, sniffling and wiping her eyes, "...I'm just so proud of you, Twilight. From a little filly building book forts in the castle's main foyer, to a promising young mare. To a hero of Equestria, to an Alicorn princess...to a mare I truly love and respect. A mare who selflessly allowed me to share a bed with her, shared her body with me, so that I may once more be a mother and sire to a foal."

Twilight squirmed a bit as Celestia mentioned their earlier sex, with her estrus not fully fading even after the excessive amount of semen Celestia had pumped into her the previous night. "Thank you, but...I only did what felt right to me. I love you too, Celestia, and...kinda always have." Twilight said, her cheeks flushing with a tint of pink.

As Twilight said that, Celestia met her lips with her lover's, gently making out for a while, before Twilight broke the silence again. "So, what now?" she asked, and Celestia knew that question meant more than its face value.

"Well," Celestia started, her free hoof gently rubbing over Twilight's still-filled womb, "about you having my foal, yes, I did mean that seriously. That wasn't just my breeding instincts ruling my mind, though I will admit they instigated things far faster than I'd planned on. I truly do wish to be a parent again, Twilight, with you as the foal’s mother."

Twilight nodded, and Celestia continued. "If you mean about us, romantically," Celestia paused to give Twilight a little kiss on the lips, "I, too, was serious about that. I would gladly take you as my wife, if you would have me as yours, if or whenever you please. Even right this second if you so desire, since I can sanction a marriage myself."

As she saw Twilight blanch at the concept, Celestia merely gave a dismissive wave of her hoof, a mischievous grin crossing her face for a second. "Of course, only if you wanted, though I wouldn't hesitate to elope either. I've loved you since you were a filly, Twilight, and that love only grew as I watched you mature from that adorable filly, and it then morphed into a love beyond maternal as you turned into the loving, kind mare you are now. The literal embodiment of Friendship. A perfect lover, and mother, in my opinion."

Twilight wasn't sure how to reply to the praise, or Celestia's seeming enthusiasm to marry her, so she simply didn't, instead mulling over what had just been told to her. As she did, that passive burning of her estrus within her, the one telling her to have sex again, that Celestia's sperm was yet to take and demanding she be inseminated again, suddenly ended.

Twilight's eyes widened at the implications, letting out a soft gasp. "I'm...I'm pregnant!" Twilight said in a surprised tone, looking at her lower belly in awe. Her life-filled lower belly.

"How do you know?" Celestia asked, just as surprised by Twilight's outburst as the younger mare was. Usually it took many, many hours for a sperm and egg to meet, yet she was claiming to be fertilized in just under six hours.

"I...well, my heat stopped!" Twilight said, only to find herself once more wrapped up in two wings and hooves, the wind nearly knocked out from her with the force she was being hugged with.

"Oh, thank you, thank you, thank you!" Celestia shouted, tears welling up in her eyes at being told of the undeniable proof of her mare's impregnation; the proof that she would be a mother and sire to another foal in about a year's time.

Twilight, despite her reluctance before, could only feel joy herself too. "No, Celestia, thank you. Thank you for everything."

They held each other for a while after, cuddling and softly kissing, before Twilight felt something poking her belly. Something long and firm. "Celestia, is that your..." Twilight asked, somewhat surprised she could even ‘get it up’ so soon, as much as she came the previous night.

"Sorry, I was just thinking of how sexy you looked as I came in you...as I gave you our foal." Celestia said, pulling back from the embrace. As Twilight looked down, she saw Celestia's pink member standing proudly at full mast, throbbing softly, as if angry at losing the soft fur against it.

"Well...even if I'm not in heat anymore, and still a bit sore from last night..." Twilight said, getting a repentant look from Celestia at that line, "...I see no reason why we can't still have sex while I'm...pregnant." As she said that, Twilight mounted up on the balcony's railing, her tail swishing aside as she clearly presented herself, her ass and crotch still matted with Celestia's and her own dried cum from before.

Celestia was surprised how receptive Twilight was to being mated again, even out of heat, but she certainly wasn't going to refuse her. Noticing she wasn't very wet, Celestia sought to rectify that, approaching her and affectionately brushing her cheek against her left stifle.

Twilight gave a soft, shuddering breath as she felt warm breath washing over her rump alongside the warm nose, pushing her hips back against it. As Celestia gave her rump a soft kiss next, Twilight whimpered, her tail twitching, feeling a snake of pleasure trailing along her spine. "Celestia..." Twilight trilled affectionately as that muzzle followed further along the curve of her stifle, evermore nearing her core "...please."

Without hesitation, Celestia moved her tongue along the remaining distance to Twilight’s flower, before she knelt down and met her lips with Twilight's lower lips in a rather lewd kiss. Twilight moaned as she felt those soft lips on her pussy, those sensations causing a wink.

Celestia let her tongue slither between Twilight's swollen pussy-lips, licking up and down just between the whole slit while her hooves rubbed over her cutie marks, and hearing Twilight's sounds of pleasure only drove her on. She tasted Twilight's arousal as her fluids started flowing, also tasting a hint of herself she'd left behind the previous night, and the knowledge that her sperm was still within this mare only drove her arousal even higher.

Celestia quickly closed in on that cleft as the pink nub winked out and retreated within it again, her tongue quickly following it. Twilight moaned again as Celestia's tongue wriggled deeper, her hips hiking up as a burst of pleasure rolled through her when it's tip found its goal.

Celestia then gave long, firm licks over Twilight's clit when it winked out, putting pressure in just the right place behind it with her lips to force it to stay out. She then mercilessly slathered the defenseless nub with short, loving licks, making her younger lover's back legs tremble and sending tingling pleasure from the tips of her ears down to her hooves.

"C-Celestia, please..." Twilight begged after a minute of Celestia's immaculate oral skills, which she put on full display now that her mind was cleared from the overwhelming need for release she felt during their previous encounter, her pussy dripping wet. "I want you...inside me again."

Pulling away from her consort's lower lips, and without another word spoken, Celestia climbed over Twilight and mounted her, her hooves resting next to Twilight's on the stone railing of the balcony. As she looked out over her and her sister's domain, she wasn't thinking about the new bills proposed earlier this morning in court. She wasn't thinking about the argument she'd had with the insufferable nobles over how much their desired changes favored them instead of the less wealthy. She wasn't even considering the fact that maybe somepony may look up and see her mounted up on Twilight as she was, or a pegasus could fly by incidentally and see them so exposed. All she was thinking about was the soft back against her chest and the plush rump pressed up into her groin. And soon, her entire thoughts were on the warmth her flare pressed against.

"...t-take me again, please!"

Without hesitation, Celestia pressed her hips forwards, slipping easily into Twilight's wet marehood, eliciting a pleased, shuddering sigh from both of them. She was well-lubed from her brief oral session, apparently slightly worked up even before, and her pussy willfully welcomed its natural partner inside her. Twilight moaned as she felt herself spreading open for Celestia's large member, her muscles parting, form-fitting to her shaft. The sensations of being filled again were bringing back memories of the night before, of being given a foal, and it made Twilight tremble beneath the larger mare as she was once more claimed as hers.

"Y-yes..." Twilight whispered as Celestia slowly slid deeper with each second, before bottoming out within her. "...a-aah-y-yes..." She soon felt Celestia's flare pressed all the way to her core once again, sending a fluttering sensation through her body as it kissed against that deepest wall within her, "...y-you're...all the way inside me again..."

Celestia, meanwhile, had her eyes closed as she took in the feeling of her mare's tight insides squeezing down on her shaft again, pulling out shallowly and rocking back in with a slow rhythm. While Twilight wasn't in heat, and her body wasn't calling Celestia to claim her ovum, it was still quite lovely to be inside her warm, squeezing pussy. With that instinctive need to breed her being quelled the previous night, and Twilight successfully fertilized now, Celestia didn't feel the drive to fuck her, to breed her anymore. Now, she thought, she could make love to her instead. She focused on just how good it felt as she slowly humped into Twilight, feeling her insides pulling her deeper, until she felt herself press once more to Twilight's core.

Twilight soon found Celestia kissing her neck, the elder mare's rock-hard stallionhood sliding in and out of her slowly, with her squirming a bit at the still strange and new, yet wonderful, feelings that Celestia’s cock being inside her brought. She'd never even used a sex toy, a complete virgin before the previous night, and she still felt just as inexperienced as a filly during her first heat, even with as much as Celestia had used her body the previous night. "You feel so...big...but...but it feels really...really...nice..." Twi stammered out, being almost overwhelmed by all the feelings that being so pleasantly split open by Celestia again unleashed.

"You feel so wonderful too, my beautiful Twilight..." Celestia responded, trailing kisses over Twilight's ear, gently kissing the bruised area she realized that her love bite had caused the previous night in her feral lust, before hearing a pained whimper as the ear flicked away from her, "...sorry. I got a little...carried away last night."

"N-no, it's fine. I couldn't hope to understand what it's like, being without a mate for so long like that, just for some silly nobles' expectations," Twilight said as she was rocking her hips against Celestia's thrusts, trying to get just a bit more stimulation from her slow pace. Even with her going so slow, the way that her stallionhood was stimulating her passage felt incredible in Twi's still-sensitive state, her muscles squeezing down on her mate's embedded hardness each time it fully entered her, making her mind buzz pleasantly at the feeling of it spreading inside her. "So, so...big..." Twi whispered, her erect wings, as well as the rest of her, trembling slightly with each slide of Celestia's member inside her, letting out an assortment of, rather adorable, as Celestia would later tell her, squeaks with each.

As Twilight called her shaft big, and hearing her moan, Celestia decided to go a little faster for her lover, to pleasure the mare so deserving of her affections more. She felt her urge to thrust harder grow stronger as she neared her finish, and, sensing Twilight wanted more by how much she was grinding against her, finally allowed herself to go a bit faster than the slow, loving pace of before.

Celestia felt her load building up, her cock throbbing within the warm confines of her broodmare, but she felt far more in control of herself than the previous night, when her lust had been allowed to burn freely. She vowed to herself to restrain those urges some from then on, for Twilight's sake, unless she asked for her to go all-out again. For their foal or foals' sake, too, she thought, as she rubbed softly over where Twilight's womb was.

They kept making love at that pace for a while, Celestia planting gentle kisses on Twilight's horn, neck, crest, or unharmed ear, feeling her squeezing down each time she moved her hips and found a nice spot for her hardness to rub against. Even within the hoof-full of minutes they'd been at it, and as slow as she was going, Twilight felt something building up in her. "C-Celestia...love you...so m-much..." Twilight said, the words with such weight floating from her lips light as a feather, so easily letting loose her long-held feelings to her mentor, and one of the most special ponies to her, during this act of such carnal passion.

"I...I love you too," Celestia said right into Twilight's ear, so softly that it almost sounded like a whisper. "Hun, I think I'm going to cum soon." Somehow mustering a bit more stamina, she was really hoping Twilight would cum soon, because she wasn't sure how much longer she could endure the warm, silken, tight insides surrounding her member before she met her own climax. Her flare was already at its fullest, and she bit her lower lip to distract herself from how good Twilight felt inside.

After another minute, with that thickened flare plumbing her depths and rubbing over her G-spot, that ring grinding over her clit each time Celestia's stallionhood passed in and out of her, Twilight's eyes finally rolled back as she started trembling, her erected wings giving little involuntary flaps as her canal grasped Celestia's cock in those primal contractions of a mare claiming her stallion's foal. Stars danced behind her sealed eyelids, her whole body quaking, pleasure overtaking her senses. It wasn't as intense as last night's chain of orgasms though, with this one instead being much softer, but this orgasm was composed of a much deeper, longer-lasting pleasure. A slow burn like a candle, instead of the raging forest fire of the previous night’s.

Celestia's pleasure burst too, already on the edge before, and those grasping, milking squeezes on her flared member had been too much for her to handle. With one hard hump, Celestia pressed her flare to Twilight's core again, washing her womb with several spurts of thick, fresh sperm, even if it was no longer needed. She felt strong pleasure as she ejected a smaller load into her lover again, her cock throbbing rapidly as it disgorged itself, but she also felt some fatigue too. Apparently, the previous night had drained her more than she'd thought.

"C-Celestia..." Twilight whispered breathlessly, her heart pounding, coming down from her own orgasm just in time to feel as that hardness buried within her started to rhythmically pulsate. Her heart sung out in joy as she felt it throb, then as a warmth hit her deep inside again, then again, pooling more and more with each shot of the life-giving goo she ejaculated within her. "...I l-love you..."

Her orgasm done some time later, Celestia felt herself growing too soft to stay inside, eventually sliding from Twilight's slit with a quiet schlick. She quickly dismounted Twilight after she slid from her, but not before giving her crest a gentle kiss. "Thank you, and I love you too," Celestia said, before meeting her lips with Twilight's, and Twilight eagerly reciprocated by pushing back into the kiss.

They stayed on the balcony for a good long while after finishing, a small white pool forming beneath Twilight as she drained of Celestia’s semen while they sat there together for a while after kissing, their wings on each other's backs, as they looked over Celestia's vast domain. "You know, all of this land will be under your rule too if we marry, and our progeny's as well." Celestia said, feeling Twilight's head resting against her shoulder.

"I don't care about the land, the prestige, or the titles, or any of that," Twilight said, looking up at Celestia and meeting her eyes, "All I care about is that I'm with you, and our love for each other."

Celestia smiled at that and kissed Twilight on her forehead, before sighing happily. "You'll never have to worry about that. I will love you and our child forever, this I promise, Twilight."

Twilight sighed too, snuggling her nose into Celestia's soft fur, then looking over the expansive view from the balcony with her lover. "I love you too. So, when did you want to get married?"

Instead of answering immediately, considering instead the details of planning only the second royal marriage ceremony of a princess in thousands of years, Celestia looked out over her realm and smiled. What a beautiful day it was, and, she knew, only the first of the many that would follow from then on with Twilight by her side.

Chapter Six: Celestia's Miracles

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"C'mon, we're going to be late!" Twilight said in a mixed tone of excitement and nervousness, her stomach a tangle of the same, butterflies dancing freely in her belly and her mane lightly frazzled. "It was hard enough to make time for this, what with all our royal duties, and it would be a shame to miss our appointment! I think I'm already starting to show, and we were supposed to do this two months ago!"

Celestia and Twilight had been dating for the past few months since Celestia had indeed impregnated her, the sun princess holding true to her promise that she wouldn't merely use Twilight as a broodmare, and that she genuinely had a romantic interest in her. The dates had always been nice, though they were only held at the castle for the time being, until they decided to tell their friends and families, then Equestrian as a whole, about their relationship.

Celestia chuckled, placing her hoof upon her lover's withers softly, and met eyes with her. "Come now, we're both princesses of Equestria. Surely they won't mind if we're a few minutes late," she said, her hooves softly rubbing her marefriend's back, then wrapping her in an embrace. "You need to calm yourself, your back is very tense. Here, turn over. I'll give you a massage to loosen that tension. Stress isn't good for a foal, especially not in the earlier months of pregnancy. It can lead to..." Celestia visibly slumped a bit at the thought, "...complications, or...spontaneous miscarriage."

Twilight sighed, placing a hoof softly to her chest as she deeply inhaled, then moving it away as she breathed out, a calming technique taught to her by Princess Cadance. She repeated that a few times before rolling onto her belly and exposing her back. Celesta did as she said, moving and positioning herself before she started softly massaging her back, trying to relax and calm her mare down. "I know, it's just...this is my first pregnancy, and my first time getting a foal-viewing. I mean, what if something's wrong with our foal? What if..." Twilight said, before she stopped talking as tingles of relief went through her as Celestia's hooves got to work.

Celestia suddenly pushed down more firmly on Twilight's back, hearing a series of pops issue forth from it, and a louder groan from Twilight. Knowing from her past experiences with mares she'd given foals, and when she herself had carried her own children, Twilight would very much be needing massages as the pregnancy progressed and the strain on her body increased, and this one would likely be the first of many. "Are you OK? That didn't hurt, right?" Celestia asked worriedly.

"Oh, no...no, quite the opposite. That spot's been bothering me all day!" Twilight cooed, pleasurable tingles rolling through her as Celestia's talented hooves kept kneading her tight muscles.

Celestia kept rubbing for a while, getting soft groans or moans of relief from Twilight as her well-practiced hooves loosened knot after knot, the elder mare giving quiet clicks of the tongue as she did. "So worked up over a simple ultrasound. You do know it won't hurt, right? Plus, we will get to see our foal for the first time! Isn't that something to look forward to, instead of fear?"

"I...I guess so. It's just...this is all so new to me. So sudden. I've never even been to the OBGYN department, except for basic pelvic exams!" Twilight said, squirming a bit to guide Celestia's hoof to a sore spot. "AAH~!"

Celestia stopped immediately. "Did I hurt you?" she asked, the worry blatant in her tone.

"Yeah, but it was a good hurt, the kind that tells me it's gonna feel better soon," Twilight responded, looking over her shoulder and smiling to her love, "Please, keep going."

Celestia gave the sore spot a gentle kiss, then kept massaging it, "Aren't you excited to see our foal? The product of our love; that lovely night's efforts in the flesh? Or was I too sudden with wanting a foal from you? Did you truly not want one with me yet?"

"What, no!" Twilight said, looking back at Celestia, hearing her tone growing more sad, "I really did want to have a foal with you, but...I'm still adjusting to the fact I'm going to become a mother in another eight or nine months, you know? It still makes me nervous, and seeing the foal in my womb...knowing I have another life inside me for sure," Twilight said, before shaking her head and sighing, "I'm just being silly, I know. I mean, my uterus isn't expanding just because. My last two estruses didnt come. I know I'm pregnant already, but...something about seeing our child inside me makes me...scared."

Celestia stopped rubbing and, when Twilight looked up at her to see why, placed a soft kiss on her lips. Twilight pushed back into it needily; not lustfully, but needing the comfort her mate's kiss provided. "It'll be OK, you're going to be a great mother. That's one of the reasons I chose you, you know? You have good maternal instincts, if you practically raising Spike into the fine drake he is today is any indication," Celestia said, pulling away from the kiss gently, "Well, that and your magic talents, your health, and of course your beauty, intelligence, and accomplishments, the fact you're an alicorn....our foal will be so amazing..."

"Oh, Celestia..." Twilight said, feeling her cheeks flushing hot as her positive traits were laid out like that, "...you know I'd be nothing without you or my friends."

"Yes, but it was you who chose to make those friends, and accept my guidance; to become the accomplished and storied mare you are today," Celestia said, before standing and approaching her regalia, lifting her crown with her magic and placing it atop her head while putting her golden slippers on, "Come now, we've got an appointment to make, and we're running late."

The duo arrived at the hospital and signed in, with a nurse taking Twilight's vitals, asking a few relevant questions, as well as taking a vial of urine. As Twilight waited in the office with Celestia, eyeing the gynecological chair and ultrasound machine warily, she thought back to last month when her friends had first noticed her growing belly at one of Pinkie's 'Summer Spectacular' parties.

"Hey!" Pinkie said, gently poking Twilight's slightly swollen lower belly, "This part's looking a bit bigger on you, and I know it's not you getting fat! You look totally fit, as always, but just this part is bigger..." Suddenly, Pinkie's eyes widened and she gasped, "Oh-mi-gosh, are you...you totally are! You're pregnant!"

Twilight visibly blanched, though it should have been obvious that Pinkie, of all ponies, would pick up on her not so little, and growing, secret. She was a lot more perceptive than her airheaded, aloof personality may suggest. "I-I...um..." Twilight stammered out, very uneasy about being put in the spotlight like that, her friends all looking at her now.

"Pinkie! Y'all don't jus' go up t' somepony and say they're pregnant!" Applejack said sharply, though she did notice her friend in question was a bit bigger around the lower barrel than usual. Right around where her uterus was, she noted.

All of her friends were looking at her, as though studying her, until Rarity noticed her discomfort and stamped a hoof with a loud clack on the wood floor, startling everypony. "Come now, I would have expected better of you all!" Rarity admonished, "Treating our dear friend as though she's some...some prized breeding sow at the county fair!" She scoffed, before walking over and placing a comforting hoof on Twilight's withers. "If she wished for us to know she's pregnant, IF she's pregnant, I'm sure Twilight would tell us in her own time." Truly, Rarity was as curious as the rest of them about such a major gossip, but she had the good sense to not awkwardly ogle her friend's stomach like the others currently were and make her uncomfortable. Besides, a simple glance from earlier told her detail-oriented mind all she needed to know.

"No, no, it's OK Rarity. It is only equine to be curious, doubly so if it's something major about somepony close to you," Twilight paused, before looking to her friends. "Gals, what I'm going to say next doesn't leave this group, OK?" Twilight said and, after getting nods from the other five mares, let out a sigh and smiled, "We were hoping to wait until a little later, but I guess now is as good of a time as any. I suppose it is pretty obvious, since everypony can clearly see, but yes, I'm pretty sure I am pregnant. We're going to check for sure in a couple weeks when we get the time, and have a foal-viewing if so."

"WOOHOO I WAS RIGHT! TWILIGHT'S GOING TO BE A MOMMY! I HAVE SO MUCH TO PLAN FOR! BUT FIRST, PAAAAAARTAAAAY!"

"OHMIGOSH, THAT'S SO AWESOME!" Rainbow said, her wings flapping excitedly, "Twilight's foal's gonna be so awesome, I know it!"

"I figured out you were carrying earlier, dear, but I didn't want to make a scene and make you uncomfortable," Rarity said with a smile, gently rubbing Twilight's withers, "A fashionista's eyes are good at seeing subtle details and changes, after all."

"Well Ah could tell too. Ain't my first time 'round a pregnant female, pony or otherwise. Got animal husbandry on the farm, an’ a younger sis, af'er all." Applejack said, crossing her forehooves and leaning against a wall.

Fluttershy simply looked in awe at Twilight, eyes wide at the revelation that one of her best friends was pregnant. After a few moments of stunned silence, she let out a little happy squeal, her wings flapping a couple of times in joy. "Yay!" she cheered softly, smiling grandly at her friend.

"So, iffin yer willin' to share, who was the lucky stallion ta have caught yer interest?" Applejack asked, seeing Twilight wince at the question, and getting a glare from Rarity for her bluntness.

"Well...I don't know if they'd want me to share that yet. It's still kind of a secret, as is my pregnancy, since we've only been dating for about a few months now. While they're a wonderful pony, I just want to be sure it’s special somepony wonderful before I start spreading it around. I promise I'll tell you girls later, once everything's figured out," Twilight said, before making an ‘X’ motion over her chest and placing a hoof over her eye, sealing that promise with the Pinkie Promise oath. "Cross my heart and hope to fly, stick a cupcake in my eye."

The rest of the night was spent partying, the party renamed in honor of Twilight’s pregnancy and new relationship.

"Twilight Sparkle?" a mare's voice called out into the waiting room, startling Twilight from her memories. She hadn't noticed, but a mare had entered the doctor's office and quickly bowed, with Celestia smiling and indicating with a hoof for her to rise again.

"Please, stand my dear. Twilight, this is Doctor Crown Jewel, my personal OBGYN physician. She will be the one who will be caring for you during your pregnancy," Celestia said, prompting another short curtsy from the emerald-green mare in the doctor's coat she was indicating, "She has taken the Hooficratic Oath, of course, so nothing that is discussed in this office will be shared outside of you and her under patient/doctor confidentiality."

"Speaking of which," Crown said, her voice soft and gentle, with a faint Manehattenite accent, "I will need your verbal permission to discuss your case while Princess Celestia is present, ruler of Equestria she is or not. Legalities, you understand."

"Yes, of course I grant that," Twilight said simply, getting a nod from the doctor.

"Very well. The pregnancy test, predictably, came back positive, and we're estimating you're about four months along given the information you gave me about the end of your previous estrus cycle." Crown said, reading out of Twilight's file.

"Yes, that seems about right," Twilight said, nodding.

"Alright, so, are you ready to see your baby, Princess?" Crown asked, getting a hesitant nod from Twilight...and oddly to her, a rather eager one from Celestia too. "Good, good. Please just lay on your back and I'll get everything set up. We'll just be doing an abdominal ultrasound today, no need for anything more invasive unless strictly needed."

Twilight did as asked, laying on her back with her forehooves comfortably folded to her chest, hind legs spread and tail up both to maintain her modesty and out of nervousness. She felt incredibly exposed despite, like all ponies, rarely wearing clothes. Feeling her nervousness growing as the doctor rolled over a tray with a screen and a wide, flat paddle-looking device attached to it, and a bottle of clear fluid in some water, Twilight looked to Celestia for guidance as she always had.

"It's alright, my dear." Celestia said, offering her hoof to Twilight and her taking it, giving her mare's fetlock a gentle, comforting squeeze as Crown turned on the monitor.

"I'm going to need you to lower your tail, hun, or it might get in the way," Crown said, before catching herself, "I mean please, Your Highness."

"Please, call me Twilight," Twilight said, reluctantly letting her tail lower and hang over the table's edge, blushing a bit as she felt so vulnerable again. Noticing her mate's discomfort, Celestia gave Twilight's hoof a little squeeze again and, when she looked over to her in response, a soft smile. Twilight felt her nerves dissipate a bit as she was reminded Celestia was right here with her, as always a rock for her.

"OK, perfect Your Hi-Twilight. Now," Crown said, lifting the bottle and applying a healthy dollop of it onto the paddle, "The lubricant gel is going to be a little warm at first, nothing to worry about."

Twilight choked back a yelp as the paddle first pressed to her lower belly, the gel indeed nearly hot, though it quickly cooled. The texture of it - warm, slick, and gooey as it was - brought back memories of another certain similar warm, slippery, thick fluid Celestia liked to squirt on her pregnant belly, making her cheeks flush hotter. She giggled slightly at the ticklish sensation of the paddle gliding over her foal-swollen womb.

"Alright, now I'm going to spread the gel around, do a basic internal exam, and locate the uterus..." Crown said, moving the paddle around while looking at the screen, "Alright, ovaries and fallopian tubes look healthy...no signs of a blastocyst remaining there, a good sign of a successful uterine implantation, now...there's the uterus, perfect. Now, if you both would like to look at the screen, you can help me find your foal."

While there was some static, the image of her uterus was mostly clear, and to the ever-curious Twilight, seeing inside her own womb was awe-inspiring. She knew it was the standard, bicornal equine uterus that all mares had, and that she'd already seen hundreds of times in anatomy or medical books, but something about it being hers that she was seeing made it that much more fascinating. "Alright, switching on the heartbeat sensor..." Crown said, flicking a switch on the machine, and soon a steady, rhythmic beating sounded from the speakers. "...alright, there's mama's heart..." And then a second, more rapid beating sound came, "...and there's foal's."

Then a third, rapid heartbeat came.

The implications obvious, Twilight's jaw hung open as she looked on the screen, a tiny hind hoof coming into view.

"Alright, looks like there's the possibility of twins. Gonna check visually. Do you want to know the gender or genders?" Crown asked and, getting two nods, moved the paddle over Twilight's womb, and the foal within it. Soon, a pair of hind legs showed up on the monitor, then a pelvis. She moved it from between the hind legs and over the crotch, revealing that it was a filly with both a vulva and sheath, up to the abdomen, showing the nubs of wings starting to grow there. As she moved it up more, showing the filly's face....

...there was the starting nub of a horn.

They all heard a clatter as the dropped paddle landed on the exam table, and Twilight's breath caught in her throat as she looked over to Celestia with wide eyes, seeing Celestia equally as surprised at the revelation.

Twilight was carrying an alicorn foal, the second in Equestrian history.

"A-Alright, the foal looks healthy, normally developing at this stage as far as I can tell. I'm not an expert of alicorn prenatal development, of course, but judging by the other tribes' foals..." Crown stammered after a solid minute of silence, shakily picking up and then moving the paddle over more...and another, separate tiny foreleg came on the screen.

As a second foal showed up on a screen, its face was the first thing seen after its foreleg. The horn-nub was clearly there and, almost too eagerly, Crown lowered the paddle down to its barrel. There were wing nubs too. "T-this...this is..." Crown stammered out, looking faint, before lowering the paddle to the second foal's crotch, revealing she had a sheath and vulva both too, just like her twin.

Not only one alicorn foal, but Twilight was carrying alicorn twins.

"A miracle. My miracles," Celestia finished for her, beaming nearly as brightly as her sun as she realized the sheer magnitude of this.

Twilight, meanwhile, felt like she was in a daze as Crown gave her standard maternal advice for carrying twins and a bottle of prenatal vitamins, everything a blur. It wasn't until they were walking back to the castle that Celestia spoke and shook her from that daze. "Twins! I've carried several pairs of twins before, and sired dozens of pairs, but alicorn twins?! This is a first!" Celestia suddenly exclaimed, startling Twilight.

"Oh, um..." Twilight said, all the while having been weighing the odds, and surprised she'd not even considered the possibility of twins, nor the likelihood of two alicorns' gametes meeting actually producing more alicorns. After all, her niece Flurry Heart had been born an alicorn, and only her mother was an alicorn, with Flurry's sire, Twilight's brother Shining Armor, being a unicorn. As she thought about it more, she felt more and more foalish for not considering the possibility. "...yeah, well, it certainly is a surprise!"

"Ooooh, well Luna's sure going to be surprised that she's going to be an auntie to twins! Alicorn twins!" Celestia said, with Twilight never having seen her so excited before, so much so that she was practically pronking down the hallways, akin to what Pinkie Pie may do.

"Well, I'm quite sure she will be, given this is completely unprecedented," Twilight said, still unbelieving of it even as she had the ultrasound pictures in her saddlebag, and the heft of the developing twins in her womb, "Alicorn twins..."

"I knew you were special," Celestia said as they arrived at Canterlot Castle, the guards giving a small bow to them before opening the gates. "This just proves it even more. Come, Luna should be up by now. Shall we tell her just what she's going to be an auntie to?"

"Twins? Twilight is pregnant, with twins, and they're alicorns?" Luna said, her tone one of the expected skepticism, but also of barely-restrained joy, her flittering wings showing said excitement clearly. She looked over to Twilight, who nodded to affirm it true.

"That's right, sister," Celestia said, pulling out the ultrasound pictures and levitating them over to her. "Alicorn twins, both hermaphrodites. The first ever recorded case of them."

"I mean, I had my suspicions that Alicorns could conceive more Alicorns given Flurry Heart's birth, but..." Luna said, her tone very surprised as she hoofed through the several ultrasound pictures of the foals growing within Twilight's womb, "...but this is...this has never happened before!"

Celestia simply smiled, before nuzzling behind Twilight's ear affectionately, "Twilight is most certainly my special mare. I've known that ever since I chose her to join my school as a filly, and she just keeps proving it evermore."

"W-well," Luna said after a few moments of awed silence as she looked over the in-utero pictures of her to-be nieces, "Congratulations to both of you are in order," Luna set the pictures down on the table, before hugging Celestia, then Twilight, "Shall I prepare a foal shower for her? It's been so long since I've been able to, with you hiding that...aspect of who you are for so long, and my...thousand-year absence."

"Oh come now, my dear sister. No need to dwell on the past on the cusp of such a lovely future," Celestia said, smiling to her sister and affectionately rubbing noses with her, "and of course you can host the foal shower. There is nopony else I would prefer for that honor."

Luna smiled, nodding, "For you, sister, and your royal consort, I would indeed be honored to be host to your first foal shower in over a thousand years."

"Thank you, my dear sister. Now," Celestia said, looking at Twilight with the most sensual of eyes, "I think our own, private celebrations are in order, don't you, Twilight?

"Ah, of course, that..." Luna said, giving both of them a knowing look after subtly sniffing the air, and gave Twilight a wink, "I shall leave you to that then. Congratulations again."

With that, Twilight and Celestia left the sitting room they'd met in with Luna and, when out of view of Luna, Celestia swiftly met lips with Twilight and kissed her passionately. "I can smell you from here," Celestia growled huskily into Twilight's ear, earning a shiver from her, "Pregnancy hormones...always making a mare want some ‘loving’, huh? Besides, we did need to celebrate, after all."

All Twilight did was nod and, after ensuring they were alone, turned and flagged her tail aside to let her lover see just how wet and needy she was already, before trotting off towards Celestia's and her shared bedroom. Celestia followed closely, disregarding the puzzled glances from the guards or other castle workers that they passed by in the hallway, with Celestia nearly looking ready to mount Twilight right there in the passageway.

Finally, after a minute that instead felt like a year, Celestia couldn't restrain herself anymore once they passed her bedchamber's threshold and she kicked the door shut with a hind hoof, sealing it with a locking spell that ensured they wouldn't be disturbed. She also lit her horn and removed the concealment spell between her legs, her cock fully erect already, ready to once more claim her mare. After all, tonight was a night of celebration, and both were more than looking forwards to the fireworks.

Chapter Seven: Celestia's Celebration

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Twilight gasped in surprise as Celestia's muzzle pushed her tail aside as soon as they’d entered Celestia’s bedchamber, her nose pressing to her moist marehood, sniffing deeply of her natural, aroused aroma. "You know, you've smelled different since I got you pregnant," Celestia said salaciously, nuzzling against Twilight's vulva and giving it a small kiss, with Twilight, in turn, giving a small shudder, "The scent of a mare gravid with my foals. Of my lover. Of my...broodmare."

Twilight shivered softly as another nuzzle on her marehood, as well as Celestia's words, prompted a wink from her clit in response. Celestia capitalized on that wink by sinking her warm tongue between her inviting, arousal-swollen lips. Twilight's head tilted back as she felt the fullness of her mate's tongue within her velveteen passage, eased along by her liquid lust. "Mmm..." Twilight moaned at that sensation inside her once more, treading her hind legs as Celestia’s tongue squirmed around. She was hitting some great spots in her, causing her hind legs to stretch out, and making her push her crotch back into her muzzle.

Memories of their previous times like this rolled through Twilight's mind, though their first time was at the forefront of her thoughts, the most arousing of them all. Memories of being claimed by her lover and mate over and over, the primal satisfaction of feeling her cum squirting inside her fertile body time and again; the memories of having been impregnated by her, and now carrying her foals from that act of animal lust and primal passion.

Suddenly, Celestia pulled her muzzle back from Twilight's now-dripping crotch, with Twilight soon feeling her lover's weight resting on her back as she was mounted. She locked her back legs instinctively to support her 'stallion', Celestia's tip tapping on her stifles before, a second later, the flare pressed to her slit. Twilight gasped as Celestia took her crest into her mouth, gently biting the tuft of hair and the flesh underneath as she penetrated her, pressed her cock in a few inches, pulled back, then pushed in again deeper.

Twilight let out a shuddering exhalation and Celestia grunted as she entered her again, before repeating the motions, getting deeper each time, until she reached just short of Twilight's sealed cervix. She pulled out slowly, before once more thrusting in, this time leaving herself hilted as far as she safely could.

Twilight once more felt satisfyingly full and spread, her head abuzz with pleasure. She felt safe beneath the mare she loved, with the kisses Celestia was planting along her neck very much helping cement that feeling of so completely adoring her marefriend. "Mmm-love you..." Twilight cooed, nuzzling into Celestia's hoof beside her.

"Love you too." Celestia replied affectionately, kissing her on the back of neck before pulling out again slowly, Twilight loving the dragging of her flare's ridges over her ribbed walls, until only her flare remained inside. Celestia kept herself out for as long as she could stand it, hips quivering in the desire to plunge forwards again, feeling Twilight squirming in impatience and anticipation, until finally she slid back in firmly. The short abstinence only made the reward of entering her mare's warm pussy that much better for the buildup.

"Oooooh~!" Twilight moaned as her inner walls were parted open once more by their instinctive match, a pang of pleasurable spreading radiating through her lower belly as she was filled with a hard, girthy cock once more, before Celestia once more stopped hilted as far as safely possible inside her. The elder alicorn kept the slow pace for a while, repeating the motions of pulling out, then staying out for a moment, before finally rewarding both of them by encasing her cock fully inside her mate.

"So tight...so warm...you're so perfect for me, Twilight..." Celestia whispered into her ear, and, when it twitched in response, prompted her to take it into her mouth. Twilight tensed up at feeling Celestia's blunt molars softly biting on her ear, making her whimper at the sensations that her sensitive ears being stimulated added.

Celestia had learned during their first time how much Twilight liked her ears played with or nibbled on during sex and strove to gently bite or softly masticate upon them, or nuzzle behind them - albeit much gentler than she had then - during and after each of their lovemaking sessions. This time was no different, with her chewing rewarded by Twilight tightening around her stallionhood.

Twilight went verbally silent, but her gentle trembles and ragged breaths, every subtle squirm or gasp, told Celestia volumes about how good she was making her lover feel. She kept going at that slow pace for a while, feeling Twilight's ear twitching in her mouth as she played her tongue over its tip. Finally,earning a soft squeak from Twilight as she licked along the inner concave of the flap, Celestia felt her mare's inner muscles squeezing down firmly again to keep her cock trapped for just a moment more.

Feeling her own urges grow, Alicorns always running hot after some slower sex, Celestia gripped more firmly around Twilight's swelling middle as she ramped up her hips' movements until she got a decent rut going, her balls softly impacting Twilight's teats with a quiet, wet pat each time she thrust forward. Celestia softly suckled on her broodmare's ear as her sack, sheath, and Twilight's whole lower regions soaked in her own fluids and her precum. Celestia's own pussy leaked too in her shared arousal, her slit winking to a stallion who wasn't there, inner muscles squeezing on nothingness as Twilight's did the same on her malehood instead.

Celestia could feel Twilight shivering in pleasure between her hooves with each impact, stimulating her sensitive chest, while her powerful vaginal muscles grasped her member lovingly each time she tried to pull out. "R-really want me to stay in...don't you? Love my thick mare-cock deep inside you?" Celestia asked between breaths as she finally released the saliva-sodden ear from her mouth, getting a meek nod from the mare she was fucking. "Very well."

Twilight was delighted as Celestia kept herself deep after her nod, her cock moving merely an inch in and out, the rest left buried to her furthest depths as her partner started jackhammering her hips instead of the long, even strokes of before, making both of their minds buzz with pleasure. As she felt Celestia's flare starting to grow, she knew her goddess beloved didn't have much more left for this session.

"Gonna fill you soon, m-my love. Just like our first n-night together, and the...so, s-so many times since..." Celestia said, her left hind leg trembling, just like it did every time she was about to cum. Twilight felt her flare at its max, stretching her inside just that little bit more, before, at long last, Celestia tensed and bit her crest again, then simply stayed still as she held deep.

Twilight let out a mewling whinny as she felt her beloved's cock stiffen, then start pulsating in its ancient, life-creating rhythm, feeling Celestia's balls twitching rhythmically against her teats as they pumped her virile sperm into her, with Celestia meanwhile stoically silent as she once again bred her mare. Twilight felt Celestia's teeth firmly grasping her crest in a mating bite as the warm, thick impacts of spunk beat against her sealed cervix and innermost walls in hard pulses. The sensations of being cum inside of drove her closer to her own climax, but didn't quite set her over into it.

After a while of filling her pussy up, producing the same large quantity of semen she did each time they'd had sex - though not quite as much as she had when Twilight had been in heat - Celestia's shaft finally stilled. Having had a touch-free female orgasm at the same time, and leaving the floor behind them soaked with her femme-cum, Celestia collapsed on Twilight after leaving her lower abdomen feeling full.

Twilight adored the heat and filling that her mate graced her with, feeling stuffed, but in a pleasant and fulfilling way, as well as the weight of her 'stallion' as Celestia rested atop her. Experiencing everything a well-covered mare should feel, as far as she was concerned.

Finally, Celestia released Twilight's crest as she started to soften within her mare's well-filled pussy, instead giving it little kisses and trailing them up to her neck, still resting part of her weight on her while she recovered. Words had no place in this moment as Celestia nuzzled behind her mare's ear next, making Twilight smile at the simple, affectionate gesture and felt a rush of love for the one giving it, looking over her shoulder at the mare covering her back and meeting her larger marefriend's lips in a kiss. It wasn't a harsh, demanding kiss, nor was it lustful, with Celestia's lust all but drained deep into Twilight's depths for the moment. Instead, it was the kiss of true soulmates, gentle yet firm, adamant of their feelings for the other.

"I'm sorry you didn't get to finish. You just felt too good, I couldn't bring myself to stop." Celestia said in a whisper after the kiss, before pulling her softened member from Twilight's cum-filled canal and dismounting her, a small stream of stallion-goo oozing out as her flare unplugged it. "Here, let me help with that."

Instead of a cock filling her again, a rod of magic, about the same girth as what had just left her, filled the void it had left and slowly slid in and out, making Twilight moan gently at the soft tingling and filling sensations of the magic within her. She was near her orgasm, and knew Celestia wouldn't stop until she had it, especially with how much she was grinding its tip into her g-spot. "Oh, it's f-fine. I know you'll never leave me uns-satisfied. You haven't yet," Twilight said, smiling softly at her lover, "You may be tapped out n-now, but I know you'll be ready again s-soon. M-mmm-meanwhile, your magic is way more than suf-fficient."

Twilight was pleasantly surprised as Celestia's tongue joined in with her magic, targeting her winking pleasure-bud with slow licks, swirling its tip over the fleshy bulb. She kept the slow pace for a while before, in a mimicry of their mating, Celestia made the magic stallionhood-shaped rod stay hilted within her mare and made short thrusts with it, meanwhile suckling on Twilight's clit, until she was finally driven over the cliff.

Twilight let out a quiet cry into the mattress when the flare of the rod expanded deep within her and set her over, her body trembling and pussy squirting a mix of their love juices all over the bed, and Celestia's face, as she pushed her hips back into her mare's muzzle. She felt pulse after pulse of pleasure each time her passage contracted rhythmically on the stiff rod that was throbbing in time with each of her clenches, and her clit winked in time with each pulse, Celestia's tongue keeping her pleasure plateaued as it followed it in and out with each wink.

After what felt like eons to her of being held in an orgasmic bliss that may have been two orgasms together, Twilight finally slumped to the bed, satisfied, as little aftershocks rocked through her. The rod spreading her remained within her as her passage held it firm and hugged it with post-orgasmic twitches, slowly throbbing itself, with Twilight meanwhile being brought into an embrace by Celestia. Once more their lips met and Twilight tasted both her and Celestia's cum as the latter's tongue suddenly entered her muzzle, their tongues writhing together as they shared their cum and pleasure, putting both into a lesser state of bliss as their tongues danced.

When Celestia pulled away from the kiss and the intimate contact ended, their lips parting, Twilight gave a discontented little whimper, earning one more quick peck from the other mare in recompense. "There, now we're tied up at one each," Celestia said, smiling to her lover sensually, "and if you give me a little longer, I'll be ready to go again. You know I always last longer after the first one."

While Celestia's member was in her sheath for now, Twilight knew well that as she'd said, after a short rest, it'd be out once more, hard and more than willing to fill her again. And again. All night long, if they so desired, and as they so often did.

Twilight counted on it after all, for this was a night of celebration.

"Ready to go again when you are, love." Twilight said after a few minutes of rest, with Celestia's shaft then standing at attention, thanks to a little coaxing from the younger mare's rubbing hoof. The latter laid on her back, her shaft like a beckoning spire, nonverbally saying she was more than ready enough too.

"How would you like to be on top this time, love? I just feel like I'm always mounting you, and that you may want to try something new?" Celestia asked, getting a smile from her mare at the suggestion of a new experience.

"Oh, I'd love to! I've read all about the 'griffin-style' position, and how it originated among, of course, griffins whose hens used to, as their norm, take a male's sperm by force by using this position. A horrible history for it, but a lovely position, and one that's used only consensually in Griffinstone now, too!" Twilight said as Celestia helped guide her into position, the latter rolling her eyes and smiling as Twilight recited the history of the position they were using.

"Of course you would study the origin of sex positions." Celestia teased just as Twilight straddled her, both gasping as two of their most sensitive parts touched.

"W-well, better to learn about what you're going to do before you...d-do it," Twilight said, stuttering a bit as she started to grind on Celestia's breeding tool, rubbing her clit on the medial ring. She quickly found that she enjoyed the feeling that being on top added, with her in control of their movements far more than she was when Celestia was on top. She kept grinding for a while, delighted by the novelty of bringing herself such pleasure instead of being given it. If Celestia's expression, with her eyes lidded and a gentle, proud smile on her face, was any indication, her mate was quite enjoying it too.

"Oh Twilight, such a fast learner," Celestia praised as Twi kept sliding along her shaft, with her wet pussy-lips and entrance lubricating their movements. She let Twilight acclimate for a while, basically testing out how different things felt when she'd move her hips a different way, but while she enjoyed the feeling of a soft mare-pussy's lips grinding on the underside of her member, drooling its lust all over it, she knew she'd enjoy the insides of her mare surrounding her cock even more. "Twilight, be a dear and let me inside you, please?" Celestia asked, getting a devious grin from Twilight.

"No."

Celestia was somewhat taken aback by the lighthearted defiance from Twilight, feeling as she kept up her tentative grinds instead. She let her for a while more, but it was getting frustrating to Celestia now, only the underside of her shaft graced with the warmth and slickness her mare's sex had to offer. "Twilight, please..." Celestia said, her tone slightly more insistent.

"Mmm-mm. I'll let you inside me when I want you in me." Twilight responded, keeping up her slow, teasing movements. She used her hooves' position on Celestia's chest to softly rub the sensitive spot, feeling her cock throb as her erogenous zone was stimulated. She'd learned from Celestia that herms were the same as stallions in that regard, and watched happily as Celestia's sex-blush grew a shade deeper as she massaged her there.

Getting more and more desperate for further stimulation with each of her mate's grinds, Celestia started rocking her hips, but that caused Twilight to stop moving altogether. "No humping~!" Twilight teased, then kept still until Celestia stopped her hips' undulations, before continuing to slowly slide along her length from flare to base, her clit slowly winking and giving kisses along it.

Seeing what was happening now, Celestia smirked at Twilight and got one back, but didn't say anything, just letting her keep up her power-play. She knew that with a single spell she could pin Twilight beneath her and ravage her at her own pace again, and that Twilight would likely just ask her to go faster and harder, but she was kind of hoping that Twilight would take the reins like this when she asked her to take top.

After a few more agonizing minutes for Celestia of slow, near-torturous teasing from Twilight, her whole lower chest coated in precum and her member as hard as possible, Twilight finally slid her hips far forward enough up to let her soaked marehood touch Celestia's flare. The first touch on it was like electric after so long of her arousal being stoked higher and higher, causing her hips to jerk up hard involuntarily. As she looked up at Twilight, she could tell her lover was getting as desperate as she was, and was pleased when she didn't stop again as 'punishment' for her thrust. Instead, she felt that lovely little love-bud winking against the underside of her flare, hearing Twilight's breaths deepening.

Seemingly having enough foreplay, Twilight rose her hips and used her magic to guide Celestia's cock to her entrance, soaking it with a little squirt of her lube as she winked hard again when the flare pressed against her vaginal opening. "My my, gotten yourself so worked up you're squirting, love?" Celestia asked, knowing that mares usually only squirted lube like that when they were at the peak of their need, and usually only while in heat.

Instead of responding, Twilight let her hips drop, her slick entrance letting Celestia's sizable flare push into her. A wave of pleasure rolled through her as she finally let herself be penetrated after all that teasing, holding there with a couple inches of Celestia inside her as she quivered, her stiff wings flapping.

"Hah, amazing what some teasing will do, huh?" Celestia asked, feeling her own pleasure as her mare-dick flexed and squirted a glob of precum inside her, reaching up to hook her forehooves over Twilight's stifles; not to control her movements, but to help stabilize her. Twilight was shaking so much she was liable to fall off. "You look like you just about came from just my flare alone!"

"S-shut up!" Twilight halfheartedly defended herself, but instead of stopping at Celestia's defiance, she rewarded both of them with more pleasure as she lowered her hips more, feeding another several inches into herself. Celestia let out a pleased moan as more of her shaft was consumed by Twilight's plush innards, her head shifting back into the pillow as her medial ring soon popped inside. She could feel the thick, slippery texture of her own semen slicking their path, letting her slide in effortlessly, feeling her mare's ribbed passage rubbing over her shaft.

A few seconds later their pelvises met, Celestia giving a pleased huff and Twilight a shiver. Twi held them together like that, Celestia hilted to her core, for a bit, just slightly grinding her hips and letting out the occasional squeak or moan. Her clit was winking quickly, a testament to how horny she was, alongside the constant clenches of her muscles over Celestia's steel-like shaft within her. "W-woah, being on t-top makes everything f-feel so...different..." Twilight said, taking in the new ways Celestia's stallionhood was rubbing her inside than when she was mounted by her, as well as being allowed to take top with quite possibly the most powerful pony in Equestria.

"Mmm, it does, doesn't it?" Celestia observed, feeling the extra weight of Twilight atop her, still resting her hooves in the creases of Twilight's hips to stabilize her. Twilight was trembling just from the first thrust, Celestia never seeing her this turned on since she was in heat the night they'd made their foals. "I'll take it that you like this?"

"Y-yeah...this feels...really nice." Twilight said, feeling Celestia throbbing inside her, her innards squeezing down in response.

"So, how about you begin? It'll feel much better than just grinding, I promise." Celestia said, indeed feeling a little desperate for more stimulation herself.

"Oh...right," Twilight said, before raising her hips from Celestia's a few inches, giving a displeased little whimper as she suddenly felt so empty, before pushing back down again. When she felt a sudden surge of pleasure she knew she'd found her special spot, letting out a little 'aah!' as she kept going. She kept giving shallow little humps, her mind buzzing with pleasure, focusing Celestia's larger flare where she knew her g-spot was.

Celestia just laid back and let her marefriend pleasure herself upon her member, with it not being the most pleasurable for her to be just a couple inches within her warmth, but getting a different kind of pleasure from seeing Twilight in such bliss. She observed that the smaller mare's wings were flared out beside her, her face holding a tense expression, her soaked pussy and clit a flurry of squeezes and winks, and finally her body tensed up as she clearly neared another climax.

It took Celestia by surprise when Twilight suddenly slammed herself down on her, her crotch crashing into her own full force. "Hey, that kinda..." Celestia said, wanting to say it had hurt a bit, but when she looked up at her mate, she stopped. Twilight had collapsed on her and was trembling, letting out little whinnies from her nose as she quaked in her, clearly very powerful, orgasm. Her inner muscles were meanwhile kneading Celestia’s cock with everything she had, trying to work her mate’s sperm from it, but Celestia wasn't quite there yet.

A while later, Twilight calmed down and went still, only her panting audible in the room as she recovered from her second-strongest orgasm ever, second only to the chain she'd had when she was being truly bred. "W-wow..." Twilight managed to croak out a few minutes of rest later, all the while softly squeezing down on Celestia's cock in the aftershocks, and feeling Celestia's hooves gently rubbing over her lower back, foal-belly, and croup, letting her down slowly.

"Well, I'll take it that you very much enjoyed being on top?" Celestia asked, feeling Twilight nodding against her chest, "Hmm, well I'm glad I could help bring you so much pleasure, after all you've done for me these past months. Allowing me to share a bed with you so many times, allowing me to court you. Letting me impregnate you, and carrying my heirs."

"Oh, it's nothing Celestia, after all you've done for me over the years," Twilight retorted, simply getting a little chuckle from the mare she was lying upon. She quickly realized Celestia was still hard as she regained more of her faculties, which she knew meant Celestia hadn't gotten off again yet. "But how about I take care of you now? You didn't cum yet, right?"

"No, dear, I haven't," Celestia replied, indeed feeling painfully hard still, having endured Twilight's orgasm and break while still only partially there herself.

Now that she felt strong enough to, Twilight lifted herself from Celestia's dick, feeling the stiff tool sliding from her, and she would have ridden her again if she weren't so worn out already from her intense orgasms. Instead, she laid perpendicular to Celestia so her muzzle was at her crotch and, without hesitation, she gave the elder mare's shaft a loving kiss, before taking her flare into her mouth. "Oh Twilight...thank you." Celestia said lovingly, reaching down to softly stroke Twilight's rump while she was being pleasured.

This was the first time she'd ever given Celestia a blowjob just after she'd been inside her. Not displeased by her own flavor, and desiring to please her lover back, she sunk deeper onto her fellow princess's length, pausing just short of it touching the back of her throat before she pulled her head back.

It wasn't long, with Twilight bobbing her head on her cock, before Celestia felt her climax coming, the sensation of her hoof rubbing her balls helping immensely with that, tensing up and her flare swelling as she prepared to spend her second load into Twilight’s warm mouth. "Huh-hun, I'm almost there," Celestia warned, getting a nod from Twilight, as well as feeling her pace increase, before she took in a deep breath.

Celestia let out a gasp as her fully-swollen flare suddenly popped down Twilight's throat, her eyes crossing as she felt the extra-tight, ribbed sensation surrounding her tip and upper shaft, and only sliding her deeper. As she looked down, she could clearly see Twilight was having a hard time deepthroating her again without the spells' aid: her eyes were watering, and she could feel her gagging, but was surprised as she kept her down.

The feelings of being inside Twi's tight throat, combined with how close she already was, sent Celestia over hard. She bit her lower lip as her hips rocked as softly as she could make them, unloading her smaller second cumshot directly into Twilight's stomach. It felt incredible for her after being denied an orgasm for so long, spurt after spurt gushing from her, her head tilted back in bliss, yet she couldn't help but feel concerned for her mare all the while.

After a few seconds, her balls were finally spent, her body tingling with the sheer force of that orgasm. As soon as she stopped ejaculating, Twilight quickly pulled off her shaft and, as soon as her flare popped from her throat, she started coughing hard. Concern overwhelming her afterglow, Celestia looked at Twilight, seeing her hacking up her cum, with saliva and semen both drooling from her mouth. "Twilight!" Celestia half-shouted in concern, her heart almost breaking at seeing her beloved in distress like that.

"I'm...*cough*...fine..." Twilight said, her voice a little hoarse* from all the coughing, and from taking a large, fully-flared cock into her unprepared throat, only slightly regretting her spur-of-the-moment decision.

"Twilight, that was reckless. You could have been seriously hurt!" Celestia fussed, grabbing a towel with her magic and cleaning Twilight's mouth of her emissions and Twi's saliva.

"Felt...good...f-for...you...though...right?" Twilight asked slowly, before coughing again.

"Well, yeah, it felt REALLY good, but..."

"Worth...it...then."

A few minutes later, Twilight was sitting at the dinette table in Celestia's bedroom, the bowl of ice-cream to soothe her sore throat already eaten. Celestia wasn't sure how to feel about her lover's recklessness of hurting herself to deepthroat her again: sure, it had felt good, and she'd done it of her own will, but she still couldn't help but feel guilty that she'd gotten hurt. "Twilight, how's your throat my love?" Celestia asked, the named mare looking up to her.

"I'm...fine. Just...a li'l...sore still..." Twilight rasped out, making Celestia furrow her eyebrows.

"While I appreciate what you did for me, and it indeed felt really good, I have to ask you not do it again without more training. Mine's not the smallest stallionhood around, and you could have really hurt yourself." Celestia said, then sighed at the expression on Twilight's face. "Please my love, I don't want you hurting yourself for me. I love you too much to see you in pain like that, especially with a part of me being the cause of it."

Seeing the sadness in Celestia's eyes, Twilight couldn't help but feel guilty about making her feel like this, almost feeling like she was being lectured again as she had been in her school years. "Sorr...ry..." Twilight croaked out, before quickly finding Celestia's forelegs around her in a hug.

"It's OK, I know you were just trying to make me feel as good as you could make me," Celestia said, wrapping her wings fully around her smaller love, "just please, be more careful in the future. For your own sake. And our foals'."

"I...will..." Twilight said, smiling at the comfort of being so close to her marefriend and mentor, "...how...do I...train...to not...hurt m-myself?"

"Oh, I have a number of toys of escalating size - from the many heats and ruts I spent alone for so many years - that you can use to gradually stretch your throat more, if you really care that much." Celestia said, seeing Twilight nod.

"For...you? It’s...worth...doing...anything." Twilight said, before meeting Celestia's lips in a kiss.

They held each other and kissed for a while, before Celestia broke it. Lighting her horn, they were on her bed in a second, Twilight being made the little spoon in a cuddle. Celestia kissed on Twilight's ears, getting a little wiggle from her. She felt her heart flutter at the adorable little mare between her hooves; a selfless, loyal mare she'd be proud to call her own one day.

Soon, Celestia thought as she felt her mare's breathing slow, with her clearly asleep now, soon you'll be mine, and I'll be yours.

Chapter Eight: Celestia's Question

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"Twilight, my love, could you please come in here?" Celestia called, with Twilight closing the thick tome she was reading and entering their shared bedroom. She was about six months pregnant, and she was really starting to show that she was carrying twins now, as well as able to feel the growing weight of said royal alicorn twins forming inside her nurturing womb. The wearying burden of a pregnancy with them, combined with her exhausting royal tasks and the chill of autumn weather, was a trial, but one she only too willingly undertook for the rewards to come in about five to six more months.

Rumors had been circulating among ponies for months now, since Twilight had started to show and was obviously, visibly pregnant. Only a very select few ponies knew who the foals' real sire was, and all of them were sworn to secrecy. Her and Celestia's dating had also been kept a secret, though it was easily observed to everypony how much more time she was spending around the castle since getting pregnant.

The rumors born from that fact ranged from Twilight having a secret relationship with a guard stationed in Canterlot Castle, maybe even Flash Sentry, to her secret amour instead being the castle chef, who vehemently denied such, or even one of the princesses. They ran the gamut of being plausible, like the guard or chef, or one of the princesses, to ridiculous, such as the one about Twilight, Celestia, and Luna actually having the entire Royal Guard as their own personal harem and stud farm, to use as they pleased, and that was how she'd gotten pregnant with the foal or foals of an unknown sire, or sires.

Twilight chuckled as she thought of the ludicrous things the rumor mill ground out, when the truth was so simple, shaking her head as she walked to the bed. Upon it laid Celestia, lacking her usual regalia, looking rather serene as she laid there on her side with her eyes closed, her wings spread wide in a position of pure comfort. She had also disabled the illusion spell on her male parts, as she often did when alone, leaving her looking as natural as she had been born.

This made Twilight smile as she saw her lover so at ease, indeed the first pony in centuries to have the privilege of seeing her this way. She felt so special, so gifted to get to see Celestia as she truly was; to be trusted so much to be let in on the lead princess's biggest secret, and indeed get to indulge upon it nearly whenever she pleased. Celestia was always so eager to give her her ‘big secret’, too.

Celestia soon opened her eyes, raised her head, and looked over to where the approaching, heavy hoofsteps came from, smiling as brightly as her sun shone as she saw the mare who brought such bright joy to her life, the love she felt for her burning as hot as the celestial ball of fire she controlled. Soon, their lips met in a chaste but loving kiss, Celestia's heart melting as Twilight once more showed her love for her, and she showed hers in kind. "Hello, Twilight," Celestia said, her words dripping with affection as thick as honey.

"Hi, love." Twilight replied, giving Celestia a smoldering gaze in return, before, once more, their lips met, just a bit more firmly this time. Before it could get anymore heated, though, Celestia broke it, a brief flash of disappointment crossing Twilight's visage. They'd just finished one of their dinner dates, just the two of them, laughing and enjoying their time together as they always did. This time, however, Celestia had been acting suspiciously, though not in an alarming way. Just a little different, in a way only somepony as astute, and as close to her as Twilight was, would notice. She knew something was up, but it likely wasn't anything negative.

"So, why did you call me?" Twilight asked, a faint smile still on her face. She was close to her marefriend, and she couldn't be happier to be pressed flank to flank* with her lover.

Instead of answering her immediately, Celestia just gave a little smile and met her lips to those of her lover and broodmare again. "So," Celestia said, "you love me, right?"

Twilight was somewhat baffled by the question. The previous half of a year that they'd spent dating, and how well they were together as a couple - not to mention how often they verbally, physically, or sexually showed their love for one another - seemingly made that shared sentiment quite obvious. "Of course I love you, Celestia," Twilight deadpanned, "Why do you even need to ask me that? You know just how head over hooves I am for you!" She then placed her own hoof on her very swollen belly, heavy with her lover's foals, "Not to mention the fact I'm carrying our foals, and how wonderful that is too...how could you not know the answer? I'm crazy about you!"

Celestia chuckled a bit at that outburst, smiling as she placed her hoof atop Twilight's on her womb. "Yeah, funny how the catalyst for our relationship was the alicorn mating season coming around. Of course, we felt for each other even before, but my lust for you just set it over."

"Oh and what a night that was, you rutting me until you couldn't anymore...six times in a row, even after your orgasm during foreplay," Twilight said, smiling as she felt one of the twins kicking against her hoof, "and it most certainly bore fruit."

"Fruit that nopony but you could have borne for me," Celestia said, before lifting the wing that hadn't moved since she'd come in. On the bed rested a small mahogany box, bearing the seal of the Crystal Empire. "Something I'd like to reciprocate."

Celestia pushed the box towards Twilight, before opening it with her wing. Inside were two light-blue stones crafted into miniature representations of the Crystal Heart, set in golden horn-rings. "These are small fragments of the Crystal Heart from the Crystal Empire, given freely by the sentient artifact itself, and bequeathed to me by Princess Cadenza and Prince Shining Armor themselves at its behest. A gift to us."

Twilight was astounded, watching as Celestia gently removed one of the rings from the box, with it giving off a brief, gentle, white pulse of light on contact with her hoof. "The Crystal Heart can sense the love between two ponies and store it, then releasing it as positive and protective energy to everypony near it, in a magnitude as strong as their love is for each other. The powerful strength of the love between Shining Armor and Cadance helps keep the entire Crystal Empire protected, and spreads love through all the crystal ponies' hearts."

Holding up the ring in her magic, Celestia climbed off the bed. "Cadence said that The Heart sensed the powerful love between us, as did she, and that it extended these fragments of itself to us, in the hope that we could use them to help make our own part of Equestria a more positive place."

Twilight was stunned silent, her eyes wide as Celestia then knelt beside the bed on one foreleg's knee, the ring levitated in her magic before Twilight. "Who am I to argue with the judgement of the literal Embodiment of Love-magic, and its Herald in the form of Princess Cadance, when I know how true it is?" Celestia paused as she looked up to Twilight, the love for her burning brightly, with that powerful love causing the shard in the ring to glow a brilliant white, before continuing. "Twilight Gleaming Sparkle, Bearer of the Element of Friendship, Princess of Friendship, founder of The School of Friendship, savior and co-savior of Equestria times innumerable, my ex-student, forever mentor and best friend, and finally my broodmare and lover, will you do me, Celestia Solaris, the greatest honor of being my wife, for now and forevermore?"

Twilight could hardly believe what was happening, knowing on some level this would happen eventually, but so completely taken aback by it actually happening right then that she was at a loss for words. "I..." she eventually croaked out, her eyes filling with tears, before her whole visage broke in a huge smile as those happy tears flowed freely down her cheeks. She grabbed Celestia in a tight hug, squeezing the mare she'd always loved to her, "Yes-yes-yes-yes-yes!**" She let out in a flurried expression of pure joy, feeling her now-fiancee's hooves and wings wrapping around her in turn, encasing her in a cocoon of love as she always had ever since she was a little filly.

Neither were sure who started the kiss, both simply finding their lips pressed together in a fiery display of their passion for each other, holding themselves tightly to the other, as though they would die if they separated now. Twilight ended up with Celestia behind her and taking the position of big spoon as she so often did, and was now hungrily kissing all over her ears after breaking the kiss on her lips and moving behind her. Those kisses trailed lower, following her jawline down to her neck, making Twilight give a happy little sigh as she squirmed at her lover's - her fiancee's - affections.

After a short while of enjoying the warmth of her lover's body-heat countering the coolness of the room, unintentionally squirming and grinding her butt into Celestia's underbarrel and sheath, Twilight soon felt something hard and long slide between her hind legs, giving a quiet, happy sigh at the familiar sensation. As she felt Celestia's member slipping between her stifles, she nodded her permission softly, feeling another series of kisses on her neck as Celestia started to slowly grind her erection between her mare's lower lips. Twilight, meanwhile, enjoyed the sensations of being cuddled, kissed, and feeling Celestia hotdogging between her pussylips at the same time, all the while surrounded by her warmth.

Getting her mare's permission with another nod from her after a brief pause, Celestia kept slowly sliding along her mare’s pussy, between her teats, and along the lower curve of her pregnant swell, getting a small squirm or sound of pleasure when her medial ring passed over Twilight's clitoral hood. She felt her mare getting wetter with each slide, until each was slick and smooth with her arousal and Celestia's precum. She meanwhile held Twilight close to her, hugging her from behind and softly rubbing her twin-swollen womb as her hips did their instinctive motions, feeling Twilight's own hips squirming to emphasize her humping.

Many minutes of grinding against each other later, and giving a soft kiss on her fiance's neck, Celestia saw and felt her nod again. Grabbing an ear in her mouth and softly biting it, getting a quiet gasp and wink of the clit against her mare-arousal covered shaft, Celestia pulled her hips back, before Twilight soon felt her large flare press to her lower lips, as always astounded how her semi-flared tip was almost as big as her entire vulva. "So excited that you're flaring already?" Twilight teased, hearing and feeling the soft rumbling of Celestia's chuckle against her back.

"What can I say? I guess you're just too sexy for me." Celestia said in response, feeling her lover wink on her flare, giving an aroused little whinny in return, "Are you ready for me, my love?" Getting a soft nod, Celestia started to push her hips forward.

Twilight just smiled to herself, feeling a hint of pride that she was so attractive to her lover to have such an effect on her; that she was so desired by her carnally that the elder mare couldn't restrain herself. With Celestia kissing her neck again, Twilight felt rising pressure on her slick, swollen vulva, giving desirous little whimpers, until finally Celestia's swelling flare entered her. She gasped softly as she felt full in that so familiar and welcome way, feeling her mare's cock enter her and push deeper, hearing a soft groan from Celestia as she once more penetrated her mare.

Twilight felt a pleasant buzzing in both her head and her loins as Celestia slid ever deeper into her, slowly though this time, inch by inch, centimeter by centimeter. When she hilted nearly a full minute later, flare pressed softly to her cervix, though very cautious about how much pressure she put on it, Twilight sensed Celestia's cock twitching slowly inside her as both took in the sensations the other's body was giving them. Twilight savored being so filled up by her mate, feeling so wonderfully stretched inside by her girth and length, Celestia's body partially encasing her in warmth and love.

Celestia, meanwhile, felt her lover's slick, warm passage gently squeezing her as she remained still inside her, save for the soft twitches of her stallionhood. Rubbing over Twilight’s occupied womb and feeling their unborn foals squirming within her, and more-so the memories of how they'd gotten there quite resembling the present, only turned her on even more. "I love you so much...my wife-to-be." Celestia said in a soft, breathy tone, her cheek pressed and rubbing against Twilight's as she started to pull out.

"I love you too, my wife-to-be..." Twilight replied, with the same loving, breathy tone as Celestia had used, feeling her partner pulling out from her almost all the way, only to slowly slip into her again. While most of the times they had sex since getting together were rough, loud, and fast, not unlike their first night together - usually with Celestia's balls slapping her flank, plenty of moaning, and more than a few wet, slick, or squishy sounds - that didn't seem appropriate this time, with Twilight just accepting her proposal. This time, Celestia made love to her mare instead of outright fucking and breeding her, keeping the pace slow, making sure they both were enjoying each other's body completely.

Celestia kept gently kissing along Twilight's neck as she slowly mated her mare, enjoying each slide along her slick, ribbed marehood, or squeeze from her powerful inner muscles. The slow pace was easily keeping her need to cum at bay, if always slowly rising, the pleasure of having sex with the closest pony in the world to her impossible to ignore. To that end, she also focused more on Twilight's pleasure instead of her own, pulling out to her slowly-bloating flare and easing back in to the hilt each time, slowing to grind her ring over Twilight's clit when she reached it, and earning a squirm, soft gasp, or moan each time she did.

Time had no meaning as the two lovers shared their bodies for the first time as an engaged couple, their love burning hotter than ever now that they'd dedicated themselves to one another. Neither noticed how brightly the shards of the Crystal Heart glowed within their boxes, not realizing how much power their love for each other provided to them, and nor the pleasant, emotional energy they felt now radiating off the stones, except how much it was boosting the experience they were having even more.

Quite some time later, Celestia only slowly humping her mare, the two decided a position change was in order. Without a word, both mares moved so Twilight was on her back beneath Celestia, their crotches somehow never parting throughout the whole transition. The moment they could, they met their lips together in a soft, loving kiss, able to feel the passion the other felt for them through it, able to see the love and lust they held for their soulmate as they gazed into their other half's eyes while they made love.

It could have been hours as they ground and humped, though more likely just many minutes, Celestia's muscles starting to burn from just how long they'd been going at it without rest. They'd kiss sometimes, but more often they'd just look into the other's eyes and rub their muzzles together, cerise and violet pools meeting, both ponies getting lost in them and the pleasure they brought each other.

"I really hope at least one of our foals gets your eyes. They're so beautiful, it'd be a shame if they didn't." Celestia whispered, kissing each of Twilight's eyelids then cheeks, getting a little giggle from her.

"And I hope the other one gets yours, my beautiful stud," Twilight replied, rubbing noses with her lover.

"I'm sorry, love, but I'm getting really close, and a bit tired." Celestia said a few minutes later, even the slow pace finally taking its toll. Twilight could feel the truth in her words as her flare was once more swelling, her pace growing ragged, uneven. She could tell she was on the brink.

"Yeah, go ahead and fill me up, my love! I wanna feel it; all your hot, sticky cum deep inside me..." Twilight replied, giving a little sexy smile. "...let's see how much you put in me this time. I'm betting on a lot."

A few seconds later, unable to take any more stimulation from her broodmare's perfect passage, or her enticing words, Celestia's thrusts stopped as she hilted once more. Knowing what was coming, and only a moment later, Twilight felt the familiar growing of her flare reaching its maximum size and her whole cock twitching rapidly, followed by the warmth of her mate’s cum filling her again. She loved that feeling more than she'd ever admit, and made sure to squeeze down her muscles on the cumming stallionhood each time it twitched, accepting each burst of Celestia's virility into herself, feeling it splashing against her deepest depths.

Pulse after pulse of virile semen were spent into Twilight's marehood, and each made pleasure rock through Celestia, causing her to softly tremble at how very good it felt to cum in her broodmare again. It was a gentle but very deep pleasure this time from how long she'd taken to reach her climax, nothing like the explosive, if more shallow, orgasms she had with faster sex, and one she hadn't experienced in a very long time. This was something special. Her orgasm lasted much longer too, the pleasure even lingering after she'd stopped pulsing her load into her mare, even after she'd passed the dry pulses, before finally drifting into a very pleasant afterglow as she stayed flared deep within her mare.

Twilight, meanwhile, enjoyed the sensations of being cum inside of again, enjoying the feeling of bringing her long-time friend, short-time lover, and now lifelong mate, such pleasure even if she hadn't been set over herself yet. That wasn't to say it hadn't felt good, feeling Celestia's climax inside her, nor the sex that preceded it. Besides, she knew there was plenty of time for her own pleasure later, after all. There always was, as Celestia wouldn't stop until she was fully satisfied; whether by her tongue, magic, or cock, she would never leave her mare hanging.

For then, though, they simply held each other as Celestia's cum drooled from Twilight's pussy and onto both of them and the mattress, her member eventually retreating from her as she grew too soft to stay inside anymore and Twilight rolled over to face her, but Celestia's exit wasn't really noticed by either as they were once more kissing passionately.

"Thank you so much Twilight, for everything. You're the best lover, and wife, that anypony could ever hope for." Celestia softly whispered after time immeasurable of simply cuddling and kissing, cupping Twilight's cheek in her hoof, seeing the small, happy smile she held.

"And you're the perfect mare and stallion for me," Twilight replied, caressing Celestia's back as she hugged her close.

It wasn't long before Twilight felt that familiar hardness between her legs again, sliding between her semen-covered mons. "I still owe you an orgasm, don't I?" Celestia said with a chuckle, before pulling her hips back and lining up again.

"Or several. After all, tonight's a night of celebration, my fiancee."

"That it is, my fiancee. That it is."

Celestia met her lips with Twilight as she once more slid inside her willing mate, and got right to work satisfying her soulmate with a hard, hilting thrust this time.

After another few orgasms between them, their bed and hind ends once more covered in their orgasmic emissions, Celestia again took the big spoon position behind Twilight, her hooves wrapped around her chest and a pristine white wing draped protectively over her broodmare and lover's pregnant belly. As they slept peacefully together, both held a smile on their face, for they were now one, body and soul, and they would prove so at their marriage ceremony soon enough. The Crystal Heart fragments had been glowing white the whole time too, a further testament to the magnitude of their love.

Chapter Nine: Celestia's Bride

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"I wanted to have a traditional royal wedding," Princess Celestia said, looking over at the pouting Twilight laying only an arm's length from her, "To invite the nobility, hay, the entire kingdom, and show them the mare I love, who is carrying my foals - the second and third naturally-conceived alicorns in recorded history - and who will be helping me rule the land as the newest High Princess. Not to mention to lavish you in every luxury imaginable there, and after."

"And I just wanted a low-key wedding, with only our families and best of friends invited," Twilight said, her frown deepening, "Ponies who will actually appreciate what our wedding means, and be truly happy for us, for what we're doing. To appreciate the bond we're consummating, and not view the event as just a free meal and slice of cake. Or worse, a way to try and gain power or status for themselves somehow."

They'd been discussing this since Celestia had brought up the topic of their marriage over that night's dinner, just Twilight and herself. It had not escalated to an argument, but it was becoming heated.

"My love, just remember that this is the only time we will be married. We're both immortal, meaning that this bond is forever. Do you truly want to remember your marriage, our marriage, as a small event among family and friends, or a huge, nation-wide party held in honor of our love for each other?" Celestia asked, seeing her mate's expression growing more sour.

"I want to remember this as an event where we're surrounded by the ponies we love, and who love us back, not some stuffy socialite elitist ponies with their heads shoved so far up their flanks that they only see the wedding as a free meal that they don't even deserve, or boost of influence for being there. Plus the fact that they couldn't give a flying FEATHER about us, the ponies getting married!" Twilight suddenly exclaimed as she slammed her hoof violently on the bed, surprising Celestia with the venom in her tone, though she was able to sense it wasn't directed at her.

"Twilight, language!" Celestia admonished on reflex, before catching herself and giggling. She'd always gotten onto Twilight about her use of colorful language before, both as a filly and expectantly moreso when she was a younger, teenaged mare as a student in her school, and just now had reacted on a subconscious level to do so again, even with Twilight a mature mare now.

Twilight, shocked out of her sour funk, couldn't help but join in on Celestia's giggles, her mood brightening quickly. She sighed once the giggles subsided a couple minutes later, once more dwelling on the fact Celestia wanted a huge fancy party for a wedding, all with ponies she didn't know, or, worse, those that either of them struggled with in day-court. "I just don't want ponies like Bella Goldhoof at our wedding."

Celestia's nose scrunched at the mention of Bella especially; at the mention of the mare who came to her day-court every time she held it, always touting some new scheme for screwing over the less wealthy ponies to make herself even richer than she already was, with her having come from a very wealthy family with old money already. Celestia and Luna, with well-disguised glee, always shot down her proposals, leading to a thinly-veiled animosity between her and the princesses; animosity and jealousy for the princesses' authority that was shared by a surprising amount of the power-hungry nobility of Canterlot.

Celestia now saw more than just some wisdom behind Twilight's way of thinking. "I...see your point," Celestia said, before sighing, her posture slumping a bit as she looked away, defeated, "I just...I just wanted to show everycreature in Equestria how much I love you, how close we are, and..." Celestia paused, softly pressing her hoof to Twilight's rather large womb, now eight months swollen with their twins. "...and what we've created together."

Twilight felt her heart twinge at that - that Celestia wanted to go through such expense just to show the world how much her and their unborn foals meant to her - but at the same time, knew it was unfortunately misguided. "Celestia, my love, how many of them do you think actually care about me or you being married? Truly care about us, and don't merely view us or our celebration as some stepping stone to gain more power or stature for themselves?" Twilight said with some bitterness, before feeling the gentle caress of Celestia's other forehoof, the one that was not still slowly rubbing on her heavily-pregnant belly, holding her cheek now. "Or our foals, for that matter?"

"Twilight, my beloved, there are good ponies in the nobility, just like in the general public. I know that, for a fact, there are those who use their wealth and influence to help build or support orphanages, or acquire food or shelter for those who need it, or even dedicate their own time to personally help those in need. Those who use their position and Bits for good, not just their own selfish causes...unlike those who seem to be more prominent in day-court," Celestia said, before sighing. "I suppose I will oblige your idea, though. You're right in that most ponies won't appreciate what we have together, and will just take the wedding party I would throw for us and use it for their own advantages, instead of seeing its true purpose. Not to mention the exuberant cost would seriously deplete the royal coffers of funds that could be spent on something more...productive."

Twi's eyes sparkled at Celestia's seeming agreement to her wedding idea. "You mean...?"

"Yes, my cherished love, you're right. Our wedding will only be among those who truly care about us, and who deserve to be a part of such a special occasion and share it with us. The announcement of our elopement shall be told to the greater public after, as well as the news of you carrying our newest alicorn princesses. Our little daughters are quite popular among ponies...even though they've yet to enter the world...and though nopony knows they're alicorns or even definitely twins...nor even of our relationship or engagement."

"Yeah...did you hear the one about us having the whole Royal Guard as our brothel and stud farm, and me getting pregnant by one or two of them at some huge orgy?" Twilight asked, causing Celestia to bust up laughing, Twilight joining in.

"Oh, what my little ponies come up with sometimes..." Celestia said after the laughter deescalated, now simply holding a big smile, "...but I would never allow another pony to have you like that. No way in Equestria."

"Aaaw, so no chance of making that rumor a reality?" Twilight teased, the huge mischievous grin telling Celestia just how serious she wasn't.

"Nope, no big, studly guardspony cock for you tonight, or ever," Celestia teased back, "The only one you get is mine, and you'll just have to deal with that."

"Aw, fine, I guess it'll have to do."

"Keep up that attitude and you won't get to see it for a week."

"That's OK, I'll just go see Blazing Spear and..."

"Oh don't you even pretend..."

After some more teasing back and forth about Twilight sleeping with many of the guards by name, devolving to another fit of laughter, Celestia felt Twilight's forehooves and wings wrapping around her, her pregnant womb pressed to her own belly, and couldn't help but smile. Soon enough, she felt Twilight's lips meeting her own in a chaste but loving kiss, pressing back into it only too happily.

"I love you so much, Cellie..." Twilight purred after the kiss, nuzzling into Celestia's neck, with the elder mare reciprocating by nuzzling behind her ear.

"And I love you too, Twily. So very much."

The date for their marriage was set for two months later, and by the time the date of their marriage came, Twilight's belly was absolutely huge now as she was ten months pregnant, though she knew she still had a month or two more to carry the twins until it was finally time to meet them. In the meantime, however, she had a mare to marry.

As Twilight had wanted, only their closest friends and family were invited - Twilight's parents, Shining Armor and Princess Cadance, Apple Bloom, Sweetie Belle, and Scootaloo, and of course Applejack, Fluttershy, Pinkie Pie, Rarity, and last but certainly not least, Rainbow Dash. Princess Luna was also asked to attend, and to serve as the officiate of their marriage, bringing her own thestral guard stallionfriend too. Twilight also asked for her friends' help at the reception: Fluttershy had also been asked to attend to the music, Applejack and Pinkie to help with the food, Rarity for their dresses, and Pinkie Pie and Rainbow were asked to attend to entertainment and games. Pinkie had insisted on helping with both the food and fun, and did a great job with both tasks as well.

When the big day finally came, on a cool spring afternoon, Twilight was squirming in excitement and nervousness in a room at Canterlot Castle, being prepped for the ceremony soon to come. Squirming so much so, that Rarity was having trouble re-hemming her dress around the lower barrel. "I swear, these little ones are growing so fast! We just hemmed this dress again a week ago, and already it fits too tight!" Rarity said, removing the measuring tape. "You've grown another nine centimetres already. They are going to be two very big fillies."

"Well, yeah, they're going to be born alicorns, remember? Remember how big Flurry Heart was when she was born, and how large her wings were?" Twilight asked, getting a nod from Rarity, "Well, I'm pretty sure these two will be about that size too, though maybe not their wings. We'll just have to wait and see."

"I still can't believe you're having twins, darling, and alicorn twins at that!" Rarity said, summoning her scissors, hemming needles, and thread with her magic, then snipping and removing the old hem and weaving the needle through the fabric to make a new one, "Why, I nearly hit the floor when you told us that once you'd hit the six month mark!"

"Yeah...I think all that cake from the foal shower party Pinkie hosted for me definitely helped add some weight to them...and me..." Twilight said, blushing a bit as she remembered how much she'd gorged on that cake, her pregnancy craving for more of it kicking in hard several times over the next weeks, "...and the three others I had her make me certainly didn't help in that respect."

Rarity gave a polite laugh, softly patting her friend's back. "Oh, it's fine dear. You look beautiful." she said as she finished hemming the belly area, and moved on to measure her rump, which had also grown over the week, getting to work on re-hemming that too.

The time had finally come for the ceremony to start, with Twilight standing outside the doors of the main hall of Canterlot Castle, waiting for the attending guards to open it for her when it was time. Her father, Night Light, stood beside her, having one of the most proud smiles she'd ever seen on him as he did, and Apple Bloom, Sweetie Belle, and Scootaloo were there too, a basket full of rose petals in each of their muzzles. "I'm so proud of you, Twilight," he whispered to her, giving her a quick hug, "My little filly, all grown up and starting a family! My little princess is getting married, and to a High Princess of all things!"

"Thanks Dad," Twilight said, reciprocating the hug, unable to prevent a beaming smile from crossing her face. She felt so elated when the guards finally opened the door, revealing the decorated throne room to her for the first time. The room was decorated with white streamers crossing from pillar to pillar, the benches decorated with flowers. In front of the thrones, there was an altar large enough for two ponies to stand on and a pulpit was set up, a large wedding arch set up above it also quite beautiful, with red, white, and pink roses decorating it.

Finally, at the altar, Celestia stood waiting. She was wearing a wedding dress of her own, a beautiful royal-purple gown with golden hemming and accents. In place of her royal crown, she instead wore a crown of red roses, her chestpiece also left off. She looked down the aisle at Twilight with both eagerness and adoration, watching each measured step her pregnant mare took, and cherishing the fact that each one brought her closer to her; that each step was bringing her closer to the start of their new life together.

Twilight's own traditional wedding dress was white, as it was her first marriage, with subtle accents of amber and amethysts in the design - something Rarity had called 'complimentary colors to her coat and mane' - and the hemming was also gold trimmed. Her mane was done up the same way it had been when she'd been affected by the Crystal Heart's magic after the Crystal Empire was saved, with her liking the style and wanting a repeat of it for her special day, though, of course, without being crystalline.

As she walked down the aisle, her father beside her and holding her hoof, she looked at the other ponies on her side of the room; her mother, Twilight Velvet, her brother, Shining Armor, and her sister-in-law Cadance all sat there, all looking quite happy and proud. Meanwhile, even if it was a little unorthodox and crowded, she saw that all six of her friends were waiting on her side of the altar as her best mares, with her simply unable to choose just three of them for such an honor. On Celestia's side was Raven, her personal assistant and close friend for many years, and two other ponies whom she worked with every day, and was also close friends with.

As she arrived at the end of the path, Twilight looked up to her mare-to-be as her father let go of her hoof, 'giving her away' to Celestia with a beaming smile. Spike stood to the side too, holding a red pillow on which the two horn-rings rested. Luna looked at Twilight, with her giving a nod, then to Celestia and, upon getting a nod from her too, cleared her throat.

"Stallions and mares, friends and family, We, Princess Luna, art thine officiate for this royal wedding. As such, We shall use the Traditional Royal Canterlot Voice for such a momentous occasion as a High Princess's marriage, as is the olden way for the marriage of high nobility to another pony. We art gathered here this day to bring our High Princess of the Sun and Equestria, Princess Celestia Solaris, and Princess of Friendship and Ponyville, Princess Twilight Gleaming Sparkle, together in matrimony. If any attendees are wishing to speaketh counter to this joining of blood, hearts, and families, thou may speaketh now, or never speaketh ill of it again."

After giving a moment, and getting only the expected lack of rebuttal, Luna continued. "Verily. As there art no objections, We shall commence. Spike, please bringeth forth the rings."

Spike did as asked and, kneeling before Princess Luna, Luna took the rings off the pillow, and then looked out to the audience. "These rings art a gift from the Crystal Empire, given freely by the Crystal Heart itself, in the hopes that the love of these two ponies may brighten the lives of ponies far and wide by using the power of this couple’s love to spread it across the nation," She then looked to Twilight and Celestia. "These rings signify the bond thou shalt have to the other; as a ring circles itself, thine love for one another shall be an endless circle too. These vows thou now shalt take shall signify that both of thee shall take care of each other and remain loyal to each other, and remain as one no matter what; in sickness or health, wealth or poverty, fame or obscurity. Nothing shall break thee apart." Luna then nodded to Twilight, who took one of the rings into her own magic, followed by Celestia doing the same.

At long last, the moment that all, though certainly none more than Twilight and Celestia had been waiting for, had arrived. "Twilight Sparkle, doth thou take this mare to be thine, to love and careth for, forevermore into immortality?" Luna asked, then turning to Twilight Sparkle.

"I do!" Twilight Sparkle responded in quite the excited tone, her heart pounding with the joy of the moment; the moment of becoming forever one with her soulmate.

Luna then turned to Celestia. "...and doth thou, Celestia Solaris, take this mare to be thine, to love and careth for, forevermore into immortality?"

"I do." Celestia responded, then looking to Twilight, her soulmate and broodmare – her-very-soon-to-be wife – with pure love.

They then took the rings in their magic, both glowing a bright white and making manifest the powerful love they felt for their mate. Celestia slid hers over Twilight's horn to the base first. "With this ring, I thee wed." Celestia said, smiling brightly.

This was followed moments later by Twilight doing the same, with the other ring sliding over Celestia's horn. "With this ring, I thee wed." Twilight said, her own smile's intensity matching her love's, feeling so delighted that she felt like she may explode. Then explode again.*

"Verily, then by the power vested in Us, We hereby pronounce thee mare and bride, Missus and Missus Celestia Solaris!" Luna announced, to an uproarious cheer from the crowd. "Thou may now kiss thine bride."

Celestia lifted Twilight Sparkle's vail to the stomping applause of the audience, gazing into Twilight's eyes but for a moment before lowering her lips to her muzzle. Their lips met softly, to another round of hooves stomping the floor.

As they broke the chaste kiss moments later, Celestia chose to hold her wife in an embrace, her eyes closed, a single tear rolling down her cheek as she felt Twilight Sparkle's cannon wrap around her own, holding hooves for the first time as mare and wife. Giving a nod and getting one back, Celestia could sense Twilight's nervousness at the next part of an olden-time royal wedding, but they'd discussed this before and she'd agreed. After all, it was tradition.

Chapter Ten: Celestia's Consummation

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It was at this point that Rarity's parent came in and retrieved Sweetie Belle, Scootaloo, and Apple Bloom, having been told what that latter part of a traditional royal wedding consisted of - that it was definitely not meant for cutie-markless foals - and volunteered to watch them at the reception hall until everything was taken care of. Or everypony was taken care of.

"Now, as is traditional for a High Royal's wedding, before we go to the reception for cake and presents, the couple shall publicly consummate their marriage in front of their guests."

With those words, the whole room went rigid.

"Their guests shall serve as witnesses as they prove their respective fertility and ability to produce heirs to the throne. Or, in this case, to be able to pleasure their mate to orgasm, as one is already quite pregnant, with twins, and quite proving her mate's virility and her own high fertility,'' Luna announced, mildly amused to see everypony in the audience blanch at the announcement. She gave a wink to Celestia. "Give it to her good, big sis." she finished, just loud enough for Celestia and Twilight to hear her, as she walked up to the new couple. She then got off the stage and left the couple alone up there, joining her own bat-pony stallionfriend Gleaming Aegis in the audience and meeting lips with him.

"T-they're what?" Rarity asked, shock clear on her face.

"Consum-ma-met-matte...Ah phooy with 'at fancy talk. They're gonna fuck to prove they can have foals together, an'—"

"Applejack! Such crass language! And I know the implications, but...they're going to do...that, in front of all of us?" Rarity huffed, her cheeks flushing pink.

"Well, ain't nopony forcin' ya to stay, Miss Snootity. Anyhoo, as Ah was sayin', this here's just an Old Ponish tradition, jus' like marriage itself. It's just another ceremony's all...iffin' more'n a li'l bit more...lewd." Applejack said, her cheeks blushing pink, "It's how ponies used t' do 'fore modern times, all th' way back t’ before civilization, 'fore tribes even, all th' way back to when ponies still ran in herds. Was meant fer stallions or mares t' show th' herd they were marryin' into that they c'n give their mares a foal, or carry one fer their stallion. Or, if they weren't an alpha, at least make 'em satisfied. That their pairin' can be fruitful, an' all that junk, an' lots of ponies still do it. Mos'ly just us earth ponies anymore, but Ah guess alicorns still do it too." Applejack finished with a shrug, nonplussed.

"Wait a second, how do they consum-matte-mute...meme...fuck, if one doesn't have a ding-a-ling?" Pinkie asked as she watched Celestia and Twilight step up onto the altar itself and remove their dresses from each other, leaving both completely bare.

"Y'ever heard of a strapon dildo? Pro'ly gonna use one of those, or jus' hoof each other off, or eat each other out, since they're both m-...mare...s?" Applejack asked, before falling silent at what she saw.

Celestia had removed her concealment spell on her male genitals then, and, thanks to a supplement she'd taken before, she had stood hard and ready in all her glory throughout the ceremony. All fourteen-plus inches of her stood ready to please her new wife and, as it had been since the start of the ceremony, her balls were also quite swollen with the seed to prove her virility to the family.

"Does...is that..."

"Does Celestia have a..."

"That there's a big ol'..."

"And does that mean Twilight's foals are..."

"HOLY BUCK! CELESTIA HAS A HUGE BUCKING COCK AND BALLS AND KNOCKED TWILIGHT UP?!"

All four friends looked at Fluttershy, in shock at what the usually demure mare had just yelled, even if it voiced their own thoughts perfectly. Fluttershy, meanwhile, immediately was trying to disappear into her seat and mane at her outburst, cheeks flushed heavily red.

"Aaaw, that's what I wanted to say!" Pinkie shouted, looking highly disappointed at her thunder being taken.

With that, the quintet of friends looked back to the altar.

Trying to ignore that she was doing this in front of all her family and friends, Twilight flagged her tail aside and presented to her wife, before gasping as she felt her wife's tongue quickly lap over her marehood, a buzz of pleasure going through her as her mate warmed her up.

"Oh-mi-gosh, look how big that foal-maker is, twitch-a-twitching there like that! That's one hay of a 'party cannon' if I've ever seen one!"

"Yeah, she is pretty big. Guess what they say 'bout alicorns 'bein' part earth pony' ain't a lie. She sure is hung like one'a us."

"Well, that would explain where the alicorn foals came from. Much better odds if both parents are alicorns than just one. Shiny and I just got lucky with Flurry Heart."

"Wait, both foals are alicorns?!"

Doing her best to ignore the gossip about her wife's cock, and the foals partially produced by it, and to once more ignore the implied bedroom activities of her brother and hermaphrodite sister-in-law, Twilight started focusing on the pleasure her wife was giving her as she dug her tongue into her pussy, the long appendage seemingly lapping every inch of her sensitive insides at once. Twilight groaned in pleasure as Celestia's hoof also rubbed her pleasure-nub, with that adding so much more to the wonderful feelings she was getting. She could feel herself getting wet, the sensations of Celestia eating her out quite lovely and tingly, as always, but something about doing this in front of other ponies, something about being so utterly lewd in front of their family and friends...

...turned her on beyond belief. It was like the excitement of when they'd had sex on the balcony , times a hundred. Because, unlike there, they were being watched, intentionally, instead of merely at risk of somepony happening across them in the throes of passion.

"Jeez, are those a pair of wrecking balls she has swinging between her legs? I mean, mine are pretty big, but she could probably knock up a whole herd of mares with those things...in one evening!"

Twilight, once more, tried not to think of Cadance's ‘not as big’ balls slapping against her brother’s flanks in the throes of passionate, wholesome, marital ‘relations’, her big mare-cock buried in his ass as...

Twilight dismissed that thought there, and instead started to really focus on and enjoy the feeling of Celestia's tongue on her lower lips, the elation of being married quickly merging with the sexual pleasure and lust she felt for her betrothed. She started softly bucking her hips back into Celestia's muzzle as her excitement grew, Celestia's tongue hitting all the best spots in her that she'd learned over the past ten months.

"Well, guess there ain't no doubt them foals are Celestia's and hers. Hard t' believe that monster fit in 'er at all, let alone knocked her up. Thing's darn near big 'round as mah leg!"

The mare-talk of her friends was only adding to the situation, making Twilight's desires build, the eyes on her and Celestia as they carnally consummated notching up her arousal higher than it had been in a long time. "C-Celestia...C-Cellie..." Twilight said, but couldn't seem to get her mare's attention. Meanwhile, with all the sexual tension in the room, it didn't take long for it all to take off.

"Woo-ie, look at them faces Twi's makin'. Must be some fancy tonguework Celestia's doin' for her."

"Would you be quiet! I'm trying to..."

"Wowie! Rarity's hoofing off!"

"PINKIE~! That is a most unladylike thing to say!"

"Pff, says the mare jilling off in front of her friends!"

"And you don't think I can see your hips grinding into your chair's edge, oh high and mighty Rainbow Dash?"

"What, how can I resist? I'm in heat, and what they're doing is suuuuuper hot! At least I’m not being all snooty about it!"

"Yeah Dashie, nothing wrong with enjoying the wedding! See? I’ve even got a—"

"Whoa, Pinkie! Where in th' hay did ya get that?! And why’s it so dern big?!"

"From my sex toy stash, AJ, duh! I have dildos stashed all over Equestria in case of sex toy emergencies! Want one? I've got one for each of us, and some extras!"

"...yeah, pass one over."

"...yeah...me too."

Feeling her loins burning hot as she heard her friends getting off on their display, almost feeling as if she was in heat again despite her huge, pregnant belly, Twilight finally could take no more foreplay. "OH SWEET CELESTIA, WOULD YOU RUT ME ALREADY!" Twilight suddenly shouted, the din of voices going quiet at her shouted demand. Fortunately, Twilight was too turned on to realize how utterly embarrassing that was.

Feeling, with some small sorrow, as the muzzle pulled from under her tail, her clit still winking in invitation for that tongue to come back and continue lavishing it with attention, Celestia simply looked at her mare with a little smirk. "Oh, I intend to...I am going to breed you like our first time. Again, and again...in front of everypony. Your mom...your dad...all your friends..."

"Oh, yes, please..." Twilight moaned out, her clit winking rapidly, so aroused by then that she was giving little gushes of her natural lube out with each wink. She was tempted to pin Celestia to the ground and ride her until she was satisfied, but fortunately, that wasn't needed. Celestia quickly reared up and mounted the smaller mare, nuzzling into the crest of her wife affectionately as she did. Twilight sighed in satisfaction as she was finally mounted, feeling Celestia's flare tapping against her vulva for but a moment before, in one swift motion of the hips, she was penetrated.

“Oh-my-gosh, how does that fit?! Look how much she’s stretching around that ginormous pink princess-cock!”

“Ok, I gotta say...that's fucking hooot!”

“Oh...um...oh my. I hope that isn't hurting her…”

“Yeah, nah, ‘Shy. Judgin’ by them expressions they both got, she’s lovin’ that huge cock in 'er more’n a pig wallerin’ in a mud puddle.”

Twilight's mind blanked as she felt Celestia enter her again, leaning her head back to rest it against Celestia's shoulder, inch after inch of that so-familiar mare-cock sliding deeper and deeper. She felt the ring pass her lips, feeling her wife’s member getting so much deeper in her belly, and even if she hadn’t fully thrust once yet, Twilight was so satisfied already.

"Mmm, is my kinky little wife a bit of an exhibitionist? I haven't felt you this wet since you were in heat..." Celestia whispered, before gently nipping her wife's ear, getting a little whimper and squeeze on her cock in response.

Twilight watched as her father suddenly mounted her mother as her tail flagged aside in invitation, his pure black member sliding into her wet pussy easily as she welcomed him into her with eager winks. He started to quickly hump into her, as though a feral stallion breeding his mare in heat, clearly lost to the lustful environment. Usually, Twilight would be disgusted by the thought of watching her parents fucking like animals, but somehow, the sight of them rutting so ferally only served to turn her on even more in the current situation.

At nearly the same time, Shining Armor mounted Cadance as she flagged her tail for him and winked her clit at him, her own pure-pink marecock hanging unsheathed as she uncloaked it. "Fuck my sweet, pink pussy hard, Shiny. I think it's about time we give Flurry a little brother or sister. Cum deep inside of me when you're ready..." she said, and, with a quick flash of magic, guided his rock-hard, pink-and-black-mottled cock into her waiting, fertile depths. Her own cock slapped her belly, and she gave a pleased coo, as she was filled up, inches of Shining's stallionhood disappearing into her. At the sound of her moan of pleasure, and with the words she'd said, Twilight felt a pang of sympathetic pleasure for her, squeezing down on Celestia's cock and giving a soft moan.

Luna too paired with Gleaming Aegis as he mounted her, humping into the Princess of the Night's pussy passionately with his long, thick, black bat-pony cock as they kissed, his large balls pendulously swinging and slapping against her ass and clit with each in-thrust. Luna's own black member, twelve inches of thick marecock, slid out, swinging limply as she was ferally fucked from behind by her long-time chamber guard. Letting herself be bred again, at long last, by him.

"A-Ah...quite the v-voyeur too...a-aren't you a kinky one?" Celestia grunted between thrusts as she saw her lover staring at the other mating couples, squeezing in a little chuckle before she groaned in pleasure again as she bottomed out. Twilight rubbed her cheek against her partner's when she did, with Celestia giving a happy little nicker in response. Twilight didn't really have a comment on her newly-discovered kink, too caught up in the moment to really think about much except how utterly sexy the whole situation was, and how good it felt to have her wife fucking her once more in front of all of them.

When Celestia started to pull out, Twilight's tight marehood was having none of it, squeezing down and trying to prevent it from escaping. Betrayed by her own slickness, however, Celestia's shaft succeeded in its escape attempt from Twilight’s slippery confines, leaving Twilight feeling so empty again, before just as quickly that void was filled. Soon, she'd gained a steady pace, humping into her mare like she was breeding her while she was in heat all over again.

"Woo, they're really gettin' into it now..."

“Yay! With how red her cheeks are and how wet her pussy is, Rarity looks like she’s getting really close! Lemme help! Lemme help!”

“Naw, Ah got this.”

“D-darlings...p-please don’t…”

“What?! Ya don’t want help, Rares?”

“Well...I...I suppose…”

“Woohoo, go Applejack! Rub that marshmallow pony's pussy!”

"Ah'm sorry, what?"

"Hehe, nothing! Have fun you two!"

"Hey Flutters, would you mind? Heh, this will be just like our first time together again...sharing our first spring heat together as fillies...losing our virginities to each other at flight camp..."

"OH! Um...o-okay. Can you...help me too? Please?"

"'Course 'Shy! I'd never leave a friend hanging!"

"Yay...!"

Twilight watched her friends using toys or their hooves on themselves or each other, or tongues in one case. She then looked over to see her sister-in-law and brother were kissing as he humped into her, much like she was being filled herself - Cadance's eleven-inch long, light-pink cock rock-hard and being jacked off in his magic. Luna and her lover rutted quite passionately too, and finally her parents were having sex together and kissing each other as they slowly made love. The scent of thirteen ponies' unrestrained lust - a baker's dozen masculine and feminine pheromones joining together, mares' estrus and stallions' musk, and all while having her own wife ramming her big cock in and out of her pussy at a rapid pace - was nearly enough to drive Twilight insane.

Twilight was panting, her body trembling with each harsh thrust into her, with all embarrassment long gone as she saw how much those closest to her were enjoying themselves and each other, as well as enjoying how she herself was being fucked so well. Celestia's hooves constantly rubbed over her nearly-to-term belly, able to feel their twins squirming inside her even as she reenacted their conception once more. The feeling of her winking on Celestia's sheath and base, however, and the sensation of her inner muscles rippling over her shaft with each, not to mention the show the other ponies were giving her, was driving Celestia to her finish line sooner than she would have liked.

"Hey, actually, that looks kinda fun, AJ! Wanna make it a threesome?!"

"Hay yeah, get that pink muzzle between them white legs and get to work! Ah'll tend ta ya meanwhile."

"Oh fuck Pinkie, how are you...your tongue's so...so goooood~!"

It wasn't long, at such high stimulation, before Twilight and Celestia both were on the last dredges of their stamina. Twilight watched the orgy going on before them with bleary eyes, remembering that most mares were in heat given the season, even if she wasn't, all thanks to the rather large foals growing within her womb. That, she quickly realized, her friends likely were in heat. Fertile. Maybe even her mom, Luna, and Cadance were fecund too, judging by how they were acting, how the whole room smelled like several mares' estrus, and what Cadance had said about having another foal. Was she serious about that, Twilight wondered, or was she simply trying to turn her brother on even more with such kinky talk?

"Hehe, I just know my friends inside and out! Everypony in Ponyville is my friend, and I know just how to make all my friends smile! Sure helps that Rares tastes just like roasty-toasted marshmallows, all mixed with fertile mare pussy! OK Applejack, your turn now!"

"In 'at case Pinkie, less talkin', more lickin'. Ah'm gettin'...so fuckin' close..."

"M-Me too, my dearest Pinkie. Just a little to the lef-AH! T-there, there! Y-YES...!"

As Twilight stood there being plowed, legs locked as her wife’s dick pummeled her insides most wonderfully, she couldn't stop the naughty thoughts from creeping into her head; that maybe she was watching her oldest foalhood friend, the Princess of the Night, and her own mother for that matter, getting bred right then, as she and everypony else closest to her were present too.

That maybe, just maybe, she'd have another niece or nephew, cousin, and a little brother or sister next year as a result of this, getting to watch the mares' bellies swelling up big just like hers was then, having watched the moment those foals' seeds were planted in fertile fields...

That thought set Twilight over, making her let out a whinny of sheer bliss as she clamped down on her mate's flaring member. A powerful orgasm overtook Twilight, nearly as strong as one from the chain of them that she'd had that evening they'd conceived their foals, or when she'd topped her wife for the first time. Her hips involuntarily rocked and ground against her wife's balls as she saturated them in her mare-cum, squirting hard as her muscles started to knead from base to flare, doing their best to keep her mare-cock deep inside her and force it to start its inevitable spurting into her.

Twilight watched as her guests' expressions grew more tense and pleasured, their motions more frantic, as well as Celestia's own thrusts reaching their precipice. "Oooh Twi, you're s-squeezing me so hard..." Celestia grunted, forcing herself past Twilight's clenching walls again, before looking to where her wife's gaze was locked.

The sight of three fertile mares getting fucked, one of whom was her own sister, and likely soon to be inseminated, set her even nearer to her own limit. From the growing tightness in her pelvis and tickling in her balls, Celestia knew she didn't have much longer. Her flare was growing flat and thick again, her thrusts erratic...it was all too much stimulation, too good, for even a well-experienced goddess to endure for long. With as heavenly as her mare's warmth felt gliding so slickly over her cock, and the scent of stallions and mares fucking so strong in the air, she was amazed she'd held off this long. She had forgotten how much she missed wedding orgies after they fell out of fashion.

Twilight mewled out Celestia's name again, the feeling of her mare's fully-thickened flare pushing her over the precipice again seconds after her first orgasm ended. She sprayed her juices all over Celestia once more as she came again, giving her betrothed's already-saturated crotch and balls a fresh coating of mare-honey, though most of it just dripped off and landed in the large puddle of their combined arousal on the floor as wave after wave of indescribably satisfying, deep pleasure crashed through her.

"C-Cel...lest...Celest...Celestia! L-love...love...l-love..." Twilight's mouth was barely even able to form her special somepony's name in the mantra she chanted as pleasure overtook her again, and all the while Celestia kept filling her up with cock. Her body went into involuntary clenches, working hard to milk her pulsating member, Twilight's whole body trembling as she encouraged her mate to cum, then to keep on pumping her seed inside until there was nothing more to give.

As she felt such bliss, Twilight watched, as though in an out-of-body experience, as her brother groaned loudly and started emptying himself into Cadance's unprotected, fertile womb, his balls undoubtedly pumping so much virile sperm into her. "Oh yes Shiny, knock me up good! Pump me full of all your cum!" Twilight heard Cadance cry out, before seeing her own expression turn into one of bliss as she likely ascended to her own cloud of pleasure. Twilight watched her fully-flared dick throbbing rhythmically as her husband's arcane grasp jacked her off while he inseminated her, with the pink alicorn spending her own, rather impressively-sized load all over the floor beneath her with each jerk. Not quite as big as Celestia’s loads, but still impressive. The implications not lost on her, Twilight kept cumming, hoping deep down that she was indeed watching the conception of Flurry Heart's little brother or sister, just as Cadance had said.

"Twilight...I can't...gotta..." Celestia said, and soon bit down on Twilight's crest, yanking her head to the side just in time to watch as Fluttershy came to Rainbow Dash's tongue and a dildo with a rather adorable whimper, smattering the cerulean pegasus's muzzle with her love-fluids as she ground her pleasure-nub into her friend's nose. The deep-blue genitals of the other mare in the 69 looked rather wet and flushed, and the rather long squirt of marecum already along the floor behind her, and on Fluttershy's muzzle, proved she was not left unsatisfied by her partner.

Twilight meanwhile turned her head as a deep moan caught her attention, looking over to see Applejack and Rarity, who were on their backs and sharing a double-sided dildo. Pinkie was between them, licking both of their fun-buttons at once when their hips came together, all while fucking herself with a suction-cup dildo stuck to the floor. She pulled back just in time to see as the farmpony and fashionista came nearly simultaneously to each other, a near-geyser of their combined cloudy mare-cum gushing from their joining.

"Ooo, tasty!" Pinkie muttered out, leaning her head down and unsteadily lapping up their emissions, though more smearing her muzzle in it rather than actually licking, as she fucked herself silly on the stallion-shaped pseudo-cock between her hips. After some rapid rises and drops, followed by some rough grinding of her clit against its balls, she soon started squealing quite loudly, slamming her hips to the dildo's base again, then started spurting her own squirts all over the floor as she clearly came herself.

As Twilight hit a third orgasm while her hermaphroditic sex-goddess kept relentlessly railing her, all while using her magic to rub Twilight's pleasure button - and despite being fully flared and on the edge of her own climax the whole time, not to mention - she soon watched as her father followed suit with the ponies around him and hilted in her mother, Velvet's own eyes rolling up as she trembled in her own orgasm.

Twilight saw from behind as Night Light's balls throbbed while they unloaded billions of sperm into Velvet's ripe-for-foal uterus, undoubtedly filling her mom’s fertile body well, judging by how much of the excess poured out seconds after he started cumming. Probably breeding her and making her and Shining a little brother or sister, Twilight's sex-saturated brain thought.

At nearly the same time, Luna's own paramour hilted inside her, Gleaming letting out a nearly super-sonic screech as he unloaded himself into her, balls throbbing as he pumped his bat-pony seed into the night princess's ripe womb. Quite possibly conceiving another child of the night. Luna's head tilted back as the warm, creamy sensation gushing into her and throbbing of her stallion's cock set her off, masturbating her own member with her magic and squirting rather large cumshots of her own onto the ground below, nearly as large as her older suster's, as her womb was filled with bat-pony foal-batter.

It was all too much already, so when Celestia finally bit her ear and hilted roughly, pressing her flare tightly to her sealed cervix, but not hard enough to cause it any harm, Twilight was panting heavily, and could see darkness at the edges of her vision from the sheer over-stimulation. When she felt the warmth of her new wife's cum gushing hard against her deepest barrier, and flooding her vaginal fornix, keeping it all sealed up deep in her passage with her huge flare, Twilight felt her consciousness waning. The seal held for a little bit, but as more cum flowed into her, with no way to get into its instinctive goal of her womb, it instead started to ooze around Celestia's flare, slicking the rest of her passage before drooling out of her pussy and down her hind legs to the ground.

As gush after gush, spurt after spurt unloaded inside and then out of her, Twilight was barely holding on to consciousness as the closest ponies to her rode out their afterglows. Night Light remained flared balls-deep in his wife, softly kissing Twilight Velvet's neck as she stared blankly at the floor beneath her while panting and recovering. "M-maybe this foal will be another hero for Equestria, just like our other two?" Velvet asked, getting another kiss on the crest from her husband in response.

"Maybe. We'll just have to wait and see, hun..." Night Light finally answered some time later, before giving a satisfied sigh, "...but I sure hope so too."

Shining had meanwhile already dismounted Cadence, licking her maredick clean and starting to give her a blowjob. "Mmm, Shiny...so good with your tongue on my marecock, aren't you? I'll have to give it to you in your ass good later...at home, tonight. I know how much my little mare loves that. Then, when you're all worked up, you can dump your nuts into my pussy again to make sure it takes..." She teased as she used her magic to lazily jack him off in return, his own shaft well lubed in the duel cum of himself and his wife, and still mostly hard. "...and again, and again, until your balls are drained dry. Just like when we made Flurry..."

Shining simply nodded bashfully, his white cheeks tinted with red at the thought of the thick cock and rapid rutting he’d be getting that night, then her pussy to breed again to boot.

Luna felt as her stallionfriend slid from and dismounted her, then turned to give him a kiss. "We thank thee, my love. Thou hath given your mare another child after so long without," Luna said, smiling at the thoughts of what the little half-thestral foal she'd likely conceived right then could look like.

The threesome of Pinkie, Applejack, and Rarity were meanwhile untangling from their partners, sharing grateful and relieved looks, and Applejack and Rarity shared a kiss in addition. In the case of a butter-yellow and a cerulean pegasus, they were cuddling and softly kissing, whispering thanks and tender words to the other.

Celestia's softening cock eventually slid out of her wife while she was planting soft kisses all over her crest, neck, and finally locking muzzles with Twilight while still mounted on her, a stream of her pearlescent cum soon following her flare’s exit. As the elder mare looked around after a short while of slowly making out, seeing the satisfied state of everypony in attendance, she sighed happily as she nuzzled into her mare's neck. "Y-you know, Twilight, you were right...a small marriage ceremony with close friends and family is so much better. So much more...intimate."

"I have a pretty good feeling there may be two more marriages soon, from what I'm seeing," Cadance whispered as she laid with Shining and felt him slowly bobbing on her stallionhood, giving a little chuckle as they looked to Applejack and Rarity, then Fluttershy and Rainbow Dash, with him rolling his eyes and nodding in agreement. “Maybe even a small herd instead, if Pinkie joins Applejack and Rarity.”

Shining chuckled too, vibrating Cadance's rock-hard mare-shaft in his muzzle. Always the matchmaker, his wife.

Twilight, meanwhile, just grinned dumbly at her bride in her afterglow, feeling so good, so full, overwhelmed, and satisfied, emotionally and physically both, by the day's events. She almost wanted to ask Celestia for another round, as her wife was still hard and clearly ready to go again, but didn't think she herself would make it through another fucking and orgasm. She doubted she could even walk to and attend the reception, let alone all that. Instead, she settled for reaching up and giving her soulmate a gentle, appreciative kiss on the lips, which was quickly, and happily, reciprocated.

The rings they wore were glowing brightly, the manifestation of their love for each other burning brightly and visible for all present, and everypony in the building could feel it too in the form of a gentle, happy glow inside their chests. And could feel it in their loins, their lusts for their partners growing again. Seemed like it wasn't only Twilight's and Celestia's love that was being transmitted right then. After all, the whole Crystal Empire had those feelings of such lustful desires several days per week, though usually more, and that the crystal ponies' birthrates had increased substantially since Shining and Cadance had taken their thrones there was likely no coincidence.

Shining once more mounted his wife and got to work dirtying her marehood that he just licked cleaned, and her dirtying the floor again, while Night Light started to thrust into Velvet again, never having left his wife's fertile, warm folds. Pinkie took a turn being eaten out by Rarity this time, at her insistence to repay her, with Rarity tending to herself with one of the various toys around, and Applejack enjoying the pleasures of getting a nice big silicone horsecock to ream her pussy via her friend's magic. Luna too felt the pleasure of her stallion entering her again, eagerly awaiting his second creampie deep within her womb, to confirm she'd be carrying a hybrid foal or two soon.

"Care to go again?" Twilight asked, giving a little wanting look to her wife as she decided on another round after all, seeing all her friends and family doing the same. Celestia only too gladly obliged, quickly mounting her and getting to work on breeding her pregnant wife once more.

Apparently, the wedding cake and presents would have to wait.

"This is fun and all," Pinkie said, looking around at the various puddles of mare, herm, and stallion cum as she enjoyed her friend's velvety tongue lapping at her own Pinkie pie. Puddles that will undoubtedly soon to be joined by more...

"But...I feel really sorry for the pony who's going to have to clean all this up!"

Celestia chuckled, before looking to Twilight. "She thinks this is messy..." she paused, before leaning in to whisper into Twilight's ear, "...it's almost too bad she won't get to see the mess we're gonna make on our honeymoon!"

Epilogue: Celestia's Loves

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"So, are you ready to be a mama, Twilight? Our fillies are going to be coming any day now. You've been carrying them for...going on twelve months already!" Celestia said to the mare currently held lovingly in her hooves as she spooned and cuddled her from behind one late-spring evening, softly rubbing her very foal-swollen womb, distended with two fully-developed twin alicorn foals and already looking ready to pop.

Twilight gave a happy coo at the rubbing hooves on her belly, squirming a bit to get comfortable against the fairly-swollen underbarrel of her mate. Celestia had, with Twilight's permission and, indeed, encouragement, gotten pregnant as well not long after Twilight's own took, indeed only a few months after. After some discussion with Twilight over who the sire should be, and both agreeing on one of a couple perspective stallions, she'd given one of her long-time unicorn guards the honor of siring her foal as a sperm donor, and he'd only too eagerly jumped at the opportunity to bed a princess; if only for the one night, and for the express purpose of breeding her, of course, as they'd made clear. And, maybe they'd invite him there to conceive another foal for her later, if they so chose. Twilight didn't stop teasing Celestia about using 'the whole Guard as her personal stud farm' after all was said and done, of course, and still did.

Twilight had been there the whole time, making sure that him giving her wife her first foal in centuries was as pleasant of an experience as she'd been given in getting her own foals. He did not disappoint, especially not after the foreplay he'd received from Twilight, and the sexy coaching throughout for him to knock her wife up. They'd gone all night when she was in heat, and once the next morning, four full loads of his seed ending up inside Celestia's womb by the end. One had certainly taken root, if the quite pregnant belly of Celestia now was any proof.

Twilight was meanwhile enjoying the calm before the storm, knowing she'd soon be giving birth to the two twins, and her reading told her exactly what to expect from that. Not to mention caring for the two newborns afterwards, then Celestia's own foal being born a few months later. "Yep, they're a couple of weeks past their due date already. Guess they're shy," Twilight joked, giving a little chuckle, before placing her hooves atop Celestia's on her belly. "Oop, did you feel that? One of them kicked! Oof, and that one was kinda hard too...hehe, settle down in there!"

Celestia had indeed felt the kick of her wife's soon-to-be-born foal against her hoof, smiling brightly at the feeling of her lively, healthy children within her beloved wife's womb. She kissed Twilight's ear as she felt another kick from inside her mate's bloated uterus, getting a giggle from Twilight at the lightly-ticklish sensation. "To be a sire and mother again...to have another three foals, to raise them with my wife...t'is truly a dream come true for me," Celestia said, giving Twilight's cheek a kiss this time, "All thanks to you, and Star."

Twilight smiled at the praise, "Oh, well, I certainly didn't make these ones all on my own," Twilight cooed, before wincing upon feeling another hard kick inside her. "Oooh, jeez, they're being really active today!" Twilight said, rubbing a hoof over where the foal had fairly firmly kicked her from within.

"That means they're going to be born soon, probably within the next couple of days, if my past experience proves true," Celestia said, before feeling as Twilight tensed up, stiffening up herself, "What's wrong?

Twilight felt a tight squeezing in her lower belly, as well as a great wash of wetness on her back legs, soaking them and her bed, a great wave of painful pressure starting in her womb as well. "C-Celestia..." Twilight whimpered, feeling what she knew instinctively was her first contraction starting, "... not in a couple days, our foals are coming now!"

It was an hour later, with a group of ponies anxiously waiting in the hallway of the hospital maternity ward of Canterlot General Hospital, outside the special room where Twilight was assigned; the one always reserved for the Princesses. Waiting for news outside that room were Rainbow Dash and Fluttershy, happily holding hooves while waiting anxiously for news, having become marefriends officially the day after Twilight and Celestia's marriage. Applejack and Rarity also sat together, hooves held, with them announcing their own relationship to their friends just a few days ago, with all knowing Pinkie was also close to both couples as a 'friend with benefits'. She'd never shut up about it, after all.

Twilight's parents were also there, with Night Light smiling softly as he gently rested a hoof on Twilight Velvet's months-pregnant womb, with her having gotten pregnant the day of Twilight's wedding, as planned. He eagerly anticipated the day he'd have another foal, to be there beside his wife the day she fought to bring another life into the world once more, just like Twilight was right then for her own children. To be a father once more. Even if he didn't have quite as much 'giddyup in his gallop' as he did when Shining and Twilight were still a colt and a filly, he was sure that he still had enough spunk to keep up with a foal. He wasn't that old yet, he joked.

Cadance and Shining Armor sat waiting too, and, much like his and Twilight's parents, Shining was gently rubbing Cadance's own foal bump, with that evening of breeding his in-heat wife, several times at that, at his sister's consummation having led to the conception of a little prince for him and his own wife too. A little unicorn brother for Flurry Heart.

Princess Luna and her stallionfriend Gleaming Aegis waited too, Luna sitting beside him and laying her head upon his shoulder, her own large belly distended with bat-pony-alicorn-hybrid twins, heirs to the night throne and an extension of the shrinking bat-pony population.

As a nurse came out of the suite, a smile on her face, everypony perked up, looking at her expectantly. "I'm happy to say, Princess Twilight gave birth to the twins without complication. She said that you may come and see her, and them, now," The nurse said, leaving the door open. The extra-large suite easily held the dozen ponies, who all crowded around the bed. Beside the bed sat Celestia, beaming as brightly as her Sun, and within the bed lay Twilight Sparkle, looking exhausted, but with a tired smile on her face. Held in either of Twilight's forelegs was a pink blanket, only the foals' heads, with small unicorn horns clearly visible, and the wings of the foals within them visible through slits in the blankets.

The first born from their union was a white-coated alicorn hermaphrodite, her mane deep-blue like Twilight's, with thick streaks of light cerulean and pale-cerise in the front-left of her mane; a trait inherited from her sire, along with her coat color. Also gained from Celestia were her pale-cerise eyes, the foal's eyes wandering from pony to pony as she looked around, suckling her hoof, "I'd like you all to meet Princess Dawn Solaris..." Twilight said, looking to their first-born, before then turning her attention to the foal in her other arm.

This foal, a hermaphrodite also, had a coat that was a mid-purple like her mother's, and her mane the same colors as Celestia's; streaks of light cerulean, pale cerise, light magenta, light pink, and light turquoise. Her eyes, closed for now as she slept, were the deep purple of her mother's. "...and this is her twin, Princess Dusk Glimmer."

"Ooo, ooo, can I hold them, can I hold them?!" Pinkie squealed, getting a slow shake of the head from Celestia when the twins started fussing.

Instead, Celestia took the two newborns and placed one at each of Twilight's teats, allowing the foals to take in their first meal of nutritious mommy-milk, putting them on the path to grow big and strong. "Not yet. You may each hold them once they've finished eating, though," Celestia said after getting a confirming nod from Twilight, to the excitement of the crowd, who each looked upon the tiny new alicorns feeding. "We should have more foals soon, right, Twilight?"

"Yes, we should," Twilight replied, smiling gleefully as she looked at their daughters, knowing they'd have to give them more siblings soon, with one coming already in a matter of months, "Very soon. I can't wait."

Dusk and Dawn, born to Celestia and Twilight. Two new alicorns to help Equestria maintain its harmony. As Twilight's friends took turns holding the foals, both Celestia's and Twilight's horn-rings pulsed with light from the love they felt. The love for their friends, but especially the love for their newborn fillies, and each other; the love Celestia felt for her lover, and brood-mare, Twilight Sparkle.

Celestia's Lover, Celestia's Broodmare

by LegionofPony

Chapter One: Celestia's Request

Chapter Two: Celestia's Warmup

Chapter Three: Celestia's Indulgence

Chapter Four: Celestia's Lust

Chapter Five: Celestia's Morning After

Chapter Six: Celestia's Miracles

Chapter Seven: Celestia's Celebration

Chapter Eight: Celestia's Question

Chapter Nine: Celestia's Bride

Chapter Ten: Celestia's Consummation

Epilogue: Celestia's Loves