There's something about Rarity
You enter the boutique to see your new boss searching through the drawers that surround her workspace. The lively room leaves you admiring the bright and vivid colors that fill the interior, accompanied by the rhythmic sound of the mare trotting from one side of the room to the other. She seemed to be looking for something, and as her new assistant, the least you could do was see what you could do to help.
"Oh, hello Anon. You're here early," she said before you had the chance to speak.
And of course you were. It was your first day on the job and you wanted to make a good impression. Working around girly dresses and pink ribbons didn't exactly suit your fancy, but being new to Equestria, you had to earn your money somehow. You're lucky she even decided to hire you, since you can never concentrate on something for too long without being distracted whenever you're with her. What was it that always stole your attention, again?
"I know I left it around here somewhere..."
Before long, you realize that you've been staring blankly at her ass while attempting to grind the slow-moving cogs of your mind to remind yourself exactly what it was about her that always distracted you. You could look at it all day long, but you have work to do, money to earn, and bills to pay. It was important that you did your job and you did it right, not to mention it's impolite to stand oggling a lady, especially your employer, of all people.
"Umm... would you like some help with whatever it is you're looking for?" you finally ask.
She closes the drawer she was searching through before trotting past you to a set of shelves lined against the wall. From behind you rolls a stepladder, covered in a sparkling purple aura which catches you off guard and startles you a bit. You're not used to all this magical shit.
"No no, I've misplaced my sparkling ribbon by myself, so I can find it by myself," the unicorn says. She turns her head to you, her mane following with a gentle bounce, styled in her signature curved shape. "But could you be a dear and hold this stepladder in place for me? You wouldn't want me to fall and get hurt, would you?"
She's right, where are your manners? "O-of course not, ma'am. I'm happy to help however I can." you say.
She smiles at you. "I always knew you knew how to treat a lady, Anon."
You hold on to one side of the stepladder and politely stick your hand out to her, signalling for her to walk onto it when she's ready. She walks steadily onto the stepladder on your cue, head tilted up and hooves lifted exaggeratedly, as if she were a princess walking into carriage on her way to a formal gathering.
When she reaches the top, she begins searching through the shelf for her special ribbon. You place your other hand on the other side of the stepladder, holding it in place. You could do this, this was easy. Not only are you getting paid for such easy work, you're getting on good terms with one of the most beautiful ponies in Equestria. That's always a plus.
You tell yourself that this job is easy money in your pocket... then you look up. Just inches away from your face is the biggest, roundest, most perfect ass you've ever seen. You know you've checked Rarity out before, but you've never been this close to her beautiful plot before, nor have you seen it from such a satisfying angle. Time seems to stop still as she gently sways her hips from side to side, her tail tickling and teasing your nose as she searches for... whatever it was she was looking for.
"Found it!"
Did somebody say something?
What you wouldn't give to have your face between her massive, perfect, mounds of curvy pony flesh. What you wouldn't give to feel those heavenly cheeks pressed against you. What? Is... is it coming closer? Has your dream come true? Her ass is on your FACE!?
You fall backwards, the curvy pony following. The only thing you could think to do was wrap your arms around the beautiful mare. You might get hurt, but at least that perfect ass Rarity, your close friend and generous boss would be safe. Your spine hits the hard, tiled floor with the force of both you and the white and purple pony. She follows with a bit of a plop! onto your lap, her curvy butt absorbing the impact for her, at your expense.
"My HERO!" she says before giving your already lucky cheek a lingering kiss. "You got hurt to protect me! Oh, you are such a caring friend, darling!"
Yeah... you protected her. You silently sigh in relief that she didn't realize that you're the reason she fell in the first place. What could have come over your mind that was more important than her safety? Well, whatever it was, it doesn't matter now. What matters is that she's safe and you're still in for a paycheck... or maybe the enormous ass that's resting on your shaft right now.
For the next few hours, you manage to do your job without problem, since you spend most of your working time away from Rarity. She sends you around Ponyville to run a few errands for her, like picking up her dry-cleaned dresses and escorting Sweetie Belle to her friend's house on the other side of town. Whatever it was, you were just happy to be enjoying the fresh Equestrian air. You could finally think straight without being under that mysterious hypnosis that takes over your unreliable train of thought.
Once you finish all of Rarity's tasks, you decide to return to check in with her one last time for the night. You enter the boutique and make your way to her bedroom, making sure to knock on her door before entering.
"Yes, dear? Do come in," she says. You've always been fond of her accent, especially when she speak so formally... which, once you think of it, is how she always speaks.
You slowly open her door and enter to see her lying on her bed of her dimly-lit room, reading a magazine in her bright pink bath robe. Her ravishing purple mane lying wet on her shoulders, complimented beautifully by the gentle flickering candlelight.
You remind yourself of your reasons for entering her private room. "I finished everything you needed me to do, unless there was anything else you had in mind."
She flips the page of her magazine with the magic of her horn. "You've done quite enough today, thank you. You've been very helpful, but you should really head home for the night, dearie. Come back tomorrow at 7:00."
Head home...
"Uhh... ok. See you tomorrow, ma'am."
You turn back to the door, but you're quickly stopped by a voice.
"Anon, do you have a place to stay?"
You don't. You've been living on the streets since you first woke up in this magical land. You were too embarrassed to tell anyone, especially not your friends. They've already done so much for you, you couldn't ask them to shelter you as well.
As you make your way out of her bedroom, she speaks up again. "Now that I think about it, there is something else I need you to do, as long as you don't mind sleeping with little ol' me."
"Rarity, I-" you begin to say before she stops you.
"Nah ah ah! You are my assistant, aren't you? This is something I need help with. I just get so lonely on nights like these whenever Sweetie Belle is away. All by myself in this warm bed. Just lay with me for the night."
Without saying a word, she uses her magic to lay her robe on its holder and moves to the side of her bed, eying you while she pats the now empty space next to her. You have no reason not to. It is your job after all, and it would be nice to sleep in a bed again. There was also something about Rarity that you really liked, but you can' manage to put your finger on it. Oh well.
You submit to her request and take your shoes off before lying next to her. The sheets are soft and her bed is nice and toasty. You're going to sleep well tonight.
You turn to see her staring into your eyes. "Aren't you going to take your clothes off?" she says. Oh yeah... you forgot that ponies don't really have a reason to sleep in their clothing, it would only be natural for one of them to question your reasons for wearing them to sleep.
"Well... uhh... actually... I guess... I kinda..." you begin to try to explain.
Her eyes widen in realization. "Oh, sorry. I won't look." she says before turning around.
Yeah, that must be it. For what it's worth, you oblige and remove your clothes. Every bit of them, since you've already caused Rarity enough confusion. You'll be fine, she's a pony. It's not like you're going to try anything. What could you ever find sexually attrac-
Your conscience comes to a halt when you look down at her glorious backside. Once again, her ass leaves you staring like a zombie at the most delectable butt you've ever seen. There's no harm in looking at it, right? She's turned away from you, ready to sleep, there's no chance of her catching you.
She begins to move around to get comfortable when you feel something press against your greatly stiffened manhood. Something warm... something soft... She freezes in place and slowly turns around. You both look down to see the head of your rock-hard dick pressed against her perfect ass, oozing small drops of semen onto it. You each gasp, almost simultaneously with realization.
"Is that...!?"
Now you've done it. What are you going to do now? How're you going to lie your way out of this one? You're dripping cum onto her ass and she's completely shocked. What the hell are you gonna say?
"Umm... sorry."
...Nice one, genius.
The mare's gaping mouth closes and she lets out a quiet giggle. "Dearie, I didn't know you were so... gifted!" she says. Her face is growing redder by the second. "Why, I've never seen one so big, yet so perfectly shaped. And oh, is it that way for me!? Why... I am so honored that you have taken such a liking to my lady backside! None of the stallions can come to appreciate it."
She begins to press her round bubble butt against you, suffocating your erect dick with what feels like the clouds of Heaven. You let out a shuttering moan as a thick line of precum flows out of you, coating the middle of her perfectly large ass with your natural lubricant. As a line of her own bodily fluid drips down your thigh, you can tell that she feels the same way.
"Do you like my subtle curves pressed around you like that? *Giggle* My, my... I never knew you wanted my ass so bad."
Of course you did. It's the most beautiful thing you've ever seen and it feels better than you could ever imagine. Every slight movement feels like you're already orgasming between her massive ass as she gently moves it against you. Your entire dick is engulfed by her succulently massive plot.
She turns to your ear and whispers... "So are you going to fuck my ass or do I have to beg you, darling?"
You never knew Rarity had such a dirty mouth, but you've never heard anything sound sexier in your entire life. Just the words echoing through your hollow mind is enough to make your eyes roll back with pleasure. You come to your senses and finally give the beautiful mare what she asked for.
You spread open her ass cheeks, almost struggling to support the hefty weight of her bottom. It's a sticky mess between them, being filled with your precum and her own vaginal juices. You line up the tip of your erection and plunge full force into her rear.
The amount of sheer pleasure actually knocks the wind out of you for a split second, leaving your head spinning as you struggle to get back to your senses. Rarity's marehood is pouring like a waterfall, leaving the two of you in a puddle of her sex fluids. Her loud moans are enough to make your ears hurt, but it takes you a few seconds to realize that you're moaning just as loud.
You begin to thrust into her ridiculously curvy bottom with as much force as your body can handle. Gritting your teeth, you feel as if you could never get enough of the divine pleasure Rarity's huge ass is giving you, yet your heart is beating so hard that you fear it might actually burst out of your chest. Dizziness fills your empty mind as you grab hold of her luscious butt with both hands. It's too big to you to even fit your fingers around.
The speed of your thrusts increases to accompany Rarity's deep, screaming moans. The scent of her fluids spreading acts like a drug to you, making you feel better than you've never thought was ever possible. Between her loud moans and trying to catch her breath, the anal-loving mare begins to speak.
"Cum... cum insi-i-i-de me! P-pleaaase!"
You were hoping she would say that. You begin slam into her backside as hard as you can, almost breaking something in the process. You feel your cock swell as it fills with the biggest load you've ever felt. You shove yourself inside Rarity's round, perfect, breathtaking ass one last time as the pressure of your bulging dick inside her tight asshole holds you in place. Your stream of sperm begins to blast out of your cock as hard as the glorious butt it is filling will allow. You let out your deepest and loudest moan, followed by Rarity doing the same while squirting onto you with force like a fire hose.
You lay together in the pool of your own sweat and sex juices, ears ringing, genitals pulsating as you try to catch your breath. The unicorn's precious bottom finally releases your manhood, locking away the gallon of cum you must've dumped into it. She turns to you, the true definition of a hot mess, breathing hard against your wet neck. She smiles at you, and closes her eyes.
"Wrap your arms around me, Anon." she requests.
You're more than happy to do so. There was something about her that you absolutely loved, but you just can't put your finger on it. You can't help but wonder just what it might be. Perhaps you'll never know.