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It was a usual night in the Canterlot, the capital city for the most illustrious nation of Equestria. The gleaming white walls shone in the night, the faint light of the crescent moon and glimmering stars being enough to illuminate the highly reflective polished marble. Behind the thick defensive structure lay the Crown Gem of Equestria, Canterlot Castle. The sprawling palace of the regents of the sun and moon was massive, nearly half as big as the city before it. Guards patrolled the marble halls and stone walls at all times of the night and day, with Pegasi in the air at all times providing a no fly zone for any foolish enough to approach by sky. The powerful night breeze rustled the feathers of more than a few Pegasi and made more than a few recruits shiver in their armor, but it went unnoticed by the inhabitants of the massive, elegant towers that seemed to pierce the heavens themselves.
Everypony knew that two of those towers held the private quarters of Princess Celestia and Princess Luna, though nopony knew which two. Some believed they lived in the tallest two. Some believed they lived in the shortest two. Some even believed they lived in the tallest one. A few even believed that the Alicorns changed rooms each night so they couldn’t be predicted. The truth was much simpler.
They lived in the two that didn’t exist.
Not in a literal sense, of course. The two towers that housed the Solar Quarters and the Lunar Quarters were made of enchanted stones imported all the way from the Zebrican Savannas. They were simply invisible. Should one look at the patrolling Pegasi closely, they would see two areas where all Pegasi avoided. That was where the towers were. Those two areas were where the two Alicorns, the most noble, majestic, powerful, beautiful, honest, fair, and kind beings on the surface of the entire planet lived.
That was where they slept, where they prepared for a long day of guiding ponies into the coming dawn and providing them with everything they could ever need or want. That was where divinity existed.
“Sho I told him ta get hiz pasty flank outta my room.” Celestia slurred, leaning almost all of her weight against the wall beside her. Had it not been for the miraculous construction that ponies called ‘walls,’ she would have fallen over hours ago. Her appearance was, simply enough, disheveled. Her powerful wings, normally preened to perfection and folded just so against her back were splayed out, feathers knocked askew and bent or damaged. It would take hours to fix her wings. Her normally lustrous, flowing mane that shone with the color of a thousand sunrises was frazzled, against all logic, and lied limp against her body.
Her muzzle was flushed red, the liquid alcohol in her system pushing the blood through her body even as her unfocused, unseeing, and drifting eyes roamed around the room to gaze at anything that may have caught her attention for even the slightest of seconds. Ancient paintings and masterful sculptures went unnoticed, solid gold trimming and platinum accents ignored, lush carpets and soft silks forgotten. Instead, her eyes took note of dozens of empty bottles of alcohol, some Equestrian, a few Gryphonian, others Zebrican, and all so potent they were more poison than drink.
“Wha did he do, den?” The Night Maiden forced out, swaying side to side as if she was dancing to a tune that only she could hear. In truth, it was very possible that she was drunk enough to dance to her own heartbeat, if her drunken staggering could be called dancing. Very much like her sister, her entire appearance was that of the iconic drunken mare. Feathers out of shape as to match her sister, with a glorious mane that could only compare to Princess Sparkle’s bedmane, and a rosy hue to her muzzle only exacerbated the image of an inebriated Alicorn.
The Solar Diarch giggled, the sound reshaped as if she was so drunk she had forgotten how to laugh. “Well, he ran outta my room as fas az he could, schreamin’ all tha while!”
Luna joined her sister in a cacophonous uproar of drunken revelry. Had it not been for the soundproofing spells woven into the very walls of the tower, the guards would have been banging the door down and searching for the dying animal, hoping to remove it before it began to stink up the place. Fortunately for the continued public dignity of the Alicorns, the tower was indeed soundproofed.
Quite suddenly, Luna fell out of time with her own heartbeat and lost her balance, closing her eyes as she felt herself falling over onto her sister, who she carried down to the floor. Following a surprisingly light thud, Luna allowed her eyes to open only for them to widen, the rosy hue on her muzzle only darkening. There she was, her muzzle inches away from the nethers of her sister, the pristine white folds that allowed access to the deepest treasure a mare had, and she couldn’t help but feel a little curious. A quick taste wouldn’t hurt, now would it?
Crossing her eyes in concentration, Luna stuck her tongue out of her muzzle several inches. Twice she flicked her tongue, yet her depth perception seemed entirely nonexistent as she missed her mark both times by a mile. Finally, with third time being the charm, her wide, flat tongue slid across the soft pink slit of Celestia, gathering a hint of rain and strawberry, though it was weak and faint all around.
From next to her own head, Luna head Celestia breathe out. “Naughthy, Luna. Toushing your own shishter like that. Wha would tha noblesh shay?”
Luna rolled, coming muzzle-to-muzzle with Celestia as a drunken grin was firmly plastered on her face. “Who caresh what the noblesh have to shay? They aren’t here, are they? When wash the lasht time either of ush had any relief?”
“Shixty yearsh.” Celestia replied, her own flushed muzzle darkening at the thought of what her sister was suggesting. However, neither could she help the excitement that was brewing in her nethers and her mind. The idea of breaking such an old and well-established taboo was incredibly arousing to her, and she had an idea of just how to do it. “Why don’t we fixsh that, then?”
Without giving Luna a chance to reply, she crossed the last few inches between the muzzles of the two mares, bringing her sister into a wet, sloppy, and very much drunken kiss. From the first touch, the two mares could feel the sheer alcoholic content in their breathes, on their tongues, and in their saliva. They knew that any mortal pony would have long since passed, but the idea of drunken sloppy sex only seemed to inspire the two to go at it more forcefully.
Before long, the firm press of two warm muzzles together shifted into something deeper, more intimate and passionate. It began when Celestia opened her muzzle just a fraction of an inch, enough space for her tongue to sneak out and swipe across the lips of Luna, gaining a taste of the younger mare. Her lips tasted like blueberries and dew, a strange combination that Celestia only adored. With a mewling cry of desire, Luna obliged, parting her own muzzle and teeth to give the elder access to her mouth, an access that she took advantage of.
With a sudden motion, the writhing muscle of the Solar Diarch darted into Luna’s mouth, flickering to and fro to gather the taste of an Alicorn. Here the natural flavors of Luna were stronger, though Celestia knew they would be stronger still from another set of lips. However, as tempting as those other lips were, her concentration were on these lips now. Luna did little to fight back, giving in to Celestia’s ministrations entirely as Luna wrestled just enough to show her own passion and lust, the desire to relieve centuries of gathering stress and end a millennia-long dry spell. All thoughts vanished from Luna’s mind when, quite suddenly, Celestia’s tongue flicked across the roof of Luna’s mouth, inspiring a soft groan of pleasure from the mare. There was just something about that spot that was amazing and Celestia knew it, furiously attacking the location with the abandon of a lustful partner.
With each solid strike against the roof of her mouth, Luna let out another muffled cry or groan of pleasure, feeling a burning fire beginning to form in the pit of her stomach. Such a taboo, a highly frowned upon action, was doing wonders in getting her hot and bothered and ready for the older Alicorn. Before long, Celestia retreated, removing her tongue from Luna’s muzzle and earning a whine from the younger sister before it was abruptly cut off.
With her target moved from Luna’s mouth to Luna’s neck, Celestia had snaked her muzzle around and nipped Luna’s long, arcing neck. With such an obvious go at such an obvious erogenous zone, the Night Maiden’s wings shot out with a mighty pomf! A few loosened feathers drifted to the floor, dislodged from the sudden acceleration and abrupt stop. Celestia moved down the line, nipping at Luna’s fur before twirling her tongue across the agitated flesh, leaving little whirls of dark blue fur behind as she moved further down Luna’s body.
Slowly, Celestia drifted down from Luna’s wonderfully nippable neck to her soft and fluffy chest, the gentle nibbles transitioning to light kisses and soft caresses that only drove the younger mare with desire, lust, and anticipation. The sweet, irresistible scent of a mare’s arousal filled the air, two separate aromas mingling together to form a perfume of absolute desire, one that was almost drove the two mares into a drunken frenzy. The alabaster Alicorn drifted down, down, steadily down until she neared her prize, the power of the scent growing stronger all the way. It reminded Celestia of a winter night, though she knew not how.
Finally, Celestia opened her eyes to gaze upon her treasure. There, below Luna’s folded hooves, was the aching vent of her sister. Two glorious lips came together to form an adorable slit, yet the marehood was inflamed, aroused beyond sober logic. With the arousal came two things, both just as glorious as the last. First came the slight parting of Luna’s lower lips, revealing just a hint of the pink interior that promised bliss and satisfaction for all who gazed upon it. Second came the sweet liquid that collected on the lips of the Alicorn, a single thin trail making its way down her rump and onto the floor below. With soft, loving movements, Celestia allowed her tongue to slip out of her mouth and take a taste of divinity. The moment the flavor of morning dew and ripe blueberries hit her mouth, all semblance of control was lost.
Celestia dove straight in, her muzzle pressing firmly against the lips of the receiving mare as a powerful gasp tore through the room. Her powerful tongue lapped across Luna’s aching pussy, collecting more and more of the sweet nectar of the Alicorn yet also inspiring more and more of it to be produced. By now, Celestia’s wings had spread out under her arousal and made her seem larger, more powerful, and more dominating to the night mare, a fact that made a nub of flesh within her marehood slip out for a moment. A moment was all that Celestia needed.
As soon as she felt the familiar flex of a mare’s folds, Celestia had reacted and caught it between her lips, rolling it between the velvety layers of flesh that made Luna moan out in utter pleasurable agony. The solar mare attached Luna’s clit and folds with a fervor that had never been seen before by mortal eyes, something that even Luna had never experienced before. Lick after lick, wet slurp after sloppy kiss, each motion heightened Luna’s pleasure, furthered Celestia’s desire, and matted her fur with juices of both sex and saliva.
Slowly, yet inevitably, Luna felt her peak nearing, though she did not want to experience it yet. Her cries of pleasure, moans of joy, and silent begging for more through the clenching and flexing of her inner walls did nothing to slow Celestia down. The lake behind the dam began to build, yet Luna did not allow it to broke or overflow. With a spell that took three tries to cast, Luna managed to push Celestia off of her, her teal eyes meeting her sister’s magenta ones. With that gaze, Luna knew that there was no stopping Celestia, not that she wanted to. The night mare wanted nothing more than to be held down and rutted like the submissive toy she was, and Celestia was going to give her exactly that.
With another spell that took four tries to cast correctly, a midnight blue aura wrapped around Celestia’s own nethers and began to shift them. Her dripping marehood came together and faded, temporarily removed by the spell. A sheath formed, the thick meat inside sliding out quickly as Celestia rapidly hardened, adapting to her new organ. Two large orbs of flesh formed beneath the sheath, quickly filling with virile seed, though Luna was not in heat and had nothing to worry about. The large mottled black stallionhood that Celestia now wielded ceased growing at a foot and four inches, four wide, with a thick medial ring that jutted out half an inch. The head, when flared, would do wonderfully for plugging up her womb, though that part had yet to come.
Teal eyes still locked onto magenta, Luna could see the effect alcohol and lust had on Celestia. The Princess was gone, replaced by a mare with a massive cock who needed to bury it into the nearest warm, wet, and willing hole, something that Luna was all too happy to provide. Something that she showed when she spoke. “Rut me, shishter. Pound my flanksh until they turn bright red and you fill me with your sheed and mark me az your mare!”
That was all the encouragement Celestia needed. Her horn lit up in a bright golden hue as the aura wrapped around Luna, causing her to giggle drunkenly as she was floated through the air toward the bed. She was placed with her front hooves on the bed, her hind legs firmly standing, and a magical aura holding her tail in the air, not that it was needed. Luna’s tail would have been flagged all on its own with the amount of juices running down her hind legs and onto the ground. Luna was about to speak only to be cut off, her words turning into a grunt as a weight fell across her back, two white hooves appearing near her head.
The two Alicorns groaned in unison as Celestia thrusted forward, missing her mark but allowing each to feel the heat the other was giving off. She thrusted forward again, missing once more as she battered the inside of Luna’s hind leg. With a third thrust and a growl of exertion, Celestia ‘hit home,’ so to speak. The head of her cock pressed firmly against Luna’s lips, the thickness halting her entirely, before Luna’s clit winked, spreading her folds just so. With that little assistance, Celestia’s cock sunk six inches into Luna, a muffled scream of pleasure coming from the blue Alicorn as she buried her muzzle into the bed. None of her toys were this big.
Celestia, for her part, was forced to come to a stop with a loud groan just as her medial ring hit Luna’s flank. As soon as her spire had pierced Luna, the Alicorn had tightened up exponentially, halting her in her place and preventing her from going in deeper. Even then, the few inches she had in Luna was being massaged by the undulating walls, while the warmth and the wetness created a lewd combination that heightened her senses, and her lust. Celestia passed the time waiting for Luna to relax by gently rocking her hips side to side, the angle and pressure giving them both some measure of pleasure while Luna slowly relaxed enough for the white Alicorn to begin again.
Once the gripping walls relaxed enough, Celestia pulled her hips back agonizingly slowly, the massive head dragging roughly against Luna’s insides, hitting and sparking each and every nerve cluster along the way. As soon as the cool air of the room began to caress the bottom of Celestia’s cock, she thrusted forward with enough force to momentarily lift Luna’s hind legs off of the ground, driving her stallionhood in a good nine inches, sparking a continuous moan of pleasure from the both, which only ascended into a scream from Luna as the medial ring was forced inside. Refusing to slow, wait, or be patient, Celesia withdrew once more before thrusting in again, driving all the way in until her hips met Luna’s flanks with a smack that echoed through the room and the head of her cock was battering against Luna’s womb.
Luna couldn’t quite say what happened after that. She descended into a haze of pleasure, moans, squeals, and twitching as Celestia began to relentlessly pound away at her flank, the massive cock between her legs repeatedly spreading her inner walls for her enjoyment. A rhythmic beat began, formed by the solid thud of Celestia’s hips and balls slamming into Luna’s flanks, the two massive orbs swinging forward and hitting the inner thigh each time. Pleasure permeated her senses as Celestia get thrusting, driving the stallionhood in and out of her little sister at a pace that was as breathtaking as it was furious.
Luna wasn’t quite sure how long it took for her to reach her first peak, but it couldn’t have been long with the treatment she was receiving from Celestia. The fire within built, and built, and grew, until the dam busted, a pleasurable scream of agony forcing its way out of her throat and muzzle as her walls spasmed, sending pleasure arcing through Celestia as she slammed her hips forward to hilt herself, then began grinding her head against Luna’s womb, which did wonders to prolong the midnight Alicorn’s orgasm. Marecum forced its way out of the seal between the two bodies, coating Celestia’s legs, balls, and stomach further than it already had.
The moment that Luna had relaxed just enough, Celestia was at it again, pounding away with reckless abandon, caring not if Luna got off, though it would happen anyway, but only about putting her seed inside the mare who had given her the cock she now used against her. There was nothing else on her mind, the combination of alcohol and divine lust overcoming her divine control entirely. All she knew was that the hole she was using was burning with heat that filled her senses, that it was soaking wet and flexing around the length buried inside it, and that the mare it was attached to was letting out a continuous jumble of moans, gasps, and meaningless words.
Luna hit her peak once more when Celestia’s head, just barely beginning to flare, breached her womb and gave her access to just a few more inches to fuck, something the solar Alicorn most certainly planned to do when she deepened her thrusts and began repeatedly breaching the barrier, the force of each impact lifting Luna off of the ground for just a few seconds before she came back down. A roar of pleasure escaped Luna again, the flexing of her walls failing to slow Celestia down at all, lubricated and eager as she was, and she kept driving that thick, meaty cock into Luna all the while, her head flaring wider and wider with each passing thrust.
Celestia let out a deep moan, slamming her hips forward once more and burying all sixteen inches of her cock into Luna, the head flaring out, expanded, and locked inside of Luna’s womb right as she came, a jet of cum hitting the back of Luna’s womb with such force that it knocked the breath out of her and sent her into the spiraling depths of another orgasm even as rope after sticky rope of Celestia’s cum filled her womb with enough seed to impregnate her a dozen times over had she been in heat.
The combined orgasm of the mares began to taper off before Celestia tugged once, pulled her flared head out of Luna’s womb and making the blue Alicorn gasp at the sudden departure. Celestia slowly withdrew her hips, filling the entirely of the tunnel in Celestia’s seed and leaving no inch of her plundered depths unstained. Just before she pulled out entirely, she slammed her hips back into Luna and hilted again, her cock stilling at the last of her seed was pumped into Luna’s womb.
The two mares were exhausted, forced to breathe through their mouths lest they get a lungful of the scent of sex, sweat matting the fur of both mares. Slowly, Celestia fell to the side of Luna on the bed, their joined nethers forcing Luna to follow as she ended up with her back against Celestia’s stomach. Seconds later, a wing came over Luna’s barrel as Celestia drifted off.
Luna would be joining her soon, she knew, but the night mare was amazed at how full she felt. Celestia had packed her seed into her womb until it was bloated, pulled out and let some of it escape to fill her tunnel, and then packed her womb again. She could feel the trails of warmth running down her thigh, the little of Celestia’s cum that had forced its way around the seal of Celestia’s cock hilted in her. A deeper warmth filled her belly, the still flared head of Celestia and most of her load, a load that filled her womb to the brim and stretched it.