Maid to Order

by AzureDreamer

Rating: mature
Tags: Sex, Lightning Dust, Slice of Life, Anthro, Porn, My Little Pony: Friendship is Magic, Fetish, Comedy, Rarity
Length: 7618

Rarity hires Lightning Dust on as her new maid, but before she can get to cleaning, Rarity decides she needs a much more -fitting- uniform. Smut ensues.

Cleaning her living space -and- work space -and- running a small business is taking its toll on Rarity, so she decides to hire herself a maid. This turns out to be a problem when said maid turns out to be Lightning Dust, having taken on the job to make ends meet after getting kicked out of the Wonderbolts. Partially out of a desire to put the arrogant mare in her place, and partially because she feels Lightning Dust didn't really deserve the punishment she ended up getting, Rarity once again breaks out her Erotically Enchanted Lingerie to make it up to her. And maybe teach her some manners.

WARNING! CONTAINS GROWTH, MACRO, FUTA, HYPER, FEMDOM, MIND CONTROL, AND PROBABLY A BUNCH OF OTHER WEIRD STUFF

Based on an RP between me and Unideal, who also did the bulk of the work editing it into a story format. Go read all her stuff, she's great.

Cover art by Arnachy.

Consider donating to my patreon to fund more stories like this!

Published 2016-01-23 23:30:02 UTC
Last updated 2016-01-24 21:04:08 UTC

Maiden Voyage

The past few months had not been kind to Lightning Dust. It turned out that getting yourself kicked out of the Wonderbolts - however justified it might have been - was somewhat toxic to your other career prospects. She was currently on her fourth shitty minimum-wage no-qualifications-required job - a fucking rent-a-maid. It wasn't quite rock-bottom (that was her very brief stint working at Bed’n’Burgers), but it was still plenty miserable.

At least, she mused as she walked up to her latest employer's address, they didn't make her wear some kind of creepy, fetishy outfit. Didn't stop creepy old stallions from ogling her ass, but it was better than nothing. She knocked on the door to the odd building, styled after a carousel. Who lived in a place like this, anyway? Artsy fartsy types, probably. The kind of pony who made more than she did sticking bowties on a fuckin’ garbage can.

She sighed. Whatever, they didn't pay her to care, just to clean. She dusted herself off and, with infinite resignation, rung the doorbell.

"Now where, oh where, did I put those fabric swatches?" Rarity muttered to herself, digging through a fourth pile of experimental dresses and half-finished projects. "Ick..." She made a face as she pulled out a withered brown lettuce leaf. The remains of yesterday's lunch, no doubt.

Oh, the curse of genius! She was normally so much tidier than this, but a full week of fashionable inspiration had taken its toll on her habits. The enchanted line alone had nearly driven her batty with stress, and it was nearly impossible for one to clean up after oneself when they were 'in the zone'... as it were.

Ding dong! Her ears perked as the doorbell rung. "Oh, thank goodness! The new maid." She practically ran to the door, thanking her lucky stars that past Rarity had had the foresight to hire another pony to help out. Someone to see to her cleaning while she focused on the creating! A more perfect match there could not be.

"Why, hello!" Rarity put on her biggest smile as she answered the door. "You must be, ah..." She cocked her head, eying up the plainly-dressed maidpony she'd hired. "Do forgive me if I'm mistaken," she asked, "but have we met before?"

Dust resisted the urge to cringe. Instead, she awkwardly adjusted her comfortable shorts - mostly hidden behind the practical apron that made up the entirety of her uniform - and picked at the shoulders of her tight-fitting tank top. "I'm Lightning Dust,” she said, dodging the question entirely. “You hired a maid, right?" She decided not to elaborate on who she was or how she knew whatever-her-name-was, one of Rainbow Dash's stupid friends.

"I did, I did!" Rarity pursed her lips, racking her brain to find the right memory. Something about this mare did seem familiar. A former customer, perhaps? A friend of a friend? It wouldn't surprise her if this - rather homely, if she had to be honest - pegasus was an old acquaintance of Rainbow Dash's. But where could they have met before? She didn’t exactly swim - or, ah, fly - in all the same circles Rainbow did.

"Aha!" Suddenly it clicked. "Lightning Dust! I remember,” she said, nodding sagely. “You were the one from the Wonderbolt Academy. I was so sorry to hear you were expelled. Rainbow Dash simply could not heap enough praise on your talents in her letters." She paused for a breath. "But don't let me dominate the conversation, darling! How have you been since then?"

Lightning smiled bitterly. "Yep! That's me. Got kicked out because some dumb civvies decided to fly a fucking hot air balloon into a restricted training zone and almost got themselves killed by a tornado. Dishonourably discharged. Kind of a shitty thing to put on your resume. Spent the past four months or so hopping from shitty minimum wage job to shitty minimum wage job and completely failing to hold any of 'em down. And now I get paid jack-all to get my ass stared at by creepy old fucks while I dust their shelves."

“Oh!" Rarity put her hand to her mouth, a spark of realization flaring in her eyes. "Oh my goodness, how dreadful!”

“Yeah…” This time, Dust did cringe. She'd let bad memories get the better of her and now she was probably going to get fired. Again. "Look, just... point me to what you need cleaned, ma'am," she muttered.

“Of course, dear, but… well, I didn't even realize you’d gone through so much! And all for our mistake. I promise you, I'll do everything - and I do mean everything - I can to make that up to you."

Already, the gears were turning in Rarity's head. What did she have that Lightning Dust would appreciate? A better outfit, certainly! She looked Dust over again, noting the awful, pained grimace on her face, her back hunched in a bored slouch. Being a maid was quite clearly not Lightning Dust's favorite occupation, nor even a tolerable one. She'd have to do something to fix that, too!

"Well, why don't you come in?" she asked, smiling warmly. "I'll show you where you'll be working, and then we'll see if I can't make things up to you somehow."

"Oh.” Dust had not been expecting that reaction. “Okay." She bowed her head meekly, following Rarity inside. "You don't, uh, have to do anything like that. Just don't fire me. I guess."

"No, I insist," Rarity said, quite pointedly. "It's partly my fault that you are where you are now, and as a lady, I consider it my obligation to help you make the most of your current situation." And with that, she took Lightning Dust’s hand, leading her all the way up the stairs.

"You'll see, darling. I used to know some ponies in the cleaning service myself. I know all the do's and don'ts to rake in the bits. Tips to get the tips, you could say!" She snickered as she guided Lightning over to the bedroom. The messy, messy master bedroom. "This is where you'll be starting," she said, clearing a small pile of pajamas out of the closet's way. "But first…” She stuck an arm in through the door, rummaging about for her favorite little project. “First, we'll have to get you out of that stuffy old uniform, and into something much nicer!"

A grin spread across her face as she found it. "Here we are!" The outfit seemed to sparkle, even in the dim bedroom light: a very frilly, very lacy, black and white maid's outfit. The sort worn by royal maids in Canterlot Palace itself. "Here, take it, please! It's quite clear that Rooms and Brooms doesn't care to dress their hard-working maids in the fashion they deserve."

Dust stared blankly at the outfit. It was everything she'd ever feared she would be made to wear. The skirt, black with a white lacey trim, was miniscule. Maybe two or three inches wide. The top was really more of a corset than an actual top, with frilly white shoulder pads. Dust decidedly did not want to wear the thing, but gingerly took it anyway, for fear of angering her current client. She didn't want to lose her job.

Again.

"Um. Thanks. Ma'am. I'll just, uh, put it on? Now?"

"Not just now, of course. I'll be stepping out for a minute to give you your privacy." Rarity's smile flickered as she noted the worried look in Lightning Dust's eyes. "And don't you worry, Lighting - may I call you Lightning? I promise I'll make you do nothing you don't want to. You don't need to wear it, but this is the creme de la creme for uniforms in your profession! I'm sure you'll love it once you try it on." She winked, already halfway out the door. "I can guarantee you that much."

"...Yes, ma'am." She stared after Rarity as she left, eyes lingering on her shapely form. Lightning had never really noticed it before - how could she have, really? - but Rarity was actually… somewhat attractive. The Academy had only ever been full of fit nuts. Ponies who cared more about trimming fat and dropping air resistance than their looks. Rarity, in comparison, was shockingly curvy. Voluptuous, even...

She shook her head. "Right. Better, uh. Better put this thing on? I guess?" She knew that Rarity had said she didn't have to if she didn't want to, and she very much didn't, but every point counted when it came to clients. Maybe, if she could get on Rarity’s good side, she’d finally have something approaching job security. She groaned in irritation - hopefully Rarity wasn't waiting for her outside, or she might have heard - and then undid her apron.

She tossed the apron aside casually, before moving on to her top. Absent a uniform from Rooms and Brooms, she’d chosen a tight tank top, cut to show off her tight, muscular abs - her best feature, as far as she was concerned. Her butt was tight and athletic, her hips slender and aerodynamic... and her chest decidedly not very large. A lifetime of being the very best there was had left her decidedly lacking in feminine allure, but at least her abs were fucking perfect. Dust wriggled her way out of her tank top - her tits were small enough that she didn't need any more support than that - and tossed it in the same direction as her apron, followed shortly by her shorts and panties, leaving her nude.

She picked up the white, frilly panties that came with her new ‘uniform’, holding them up to her eyes. They were decidedly symbolic of the outfit as a whole: frilled and lacey beyond belief, while paradoxically incapable of hiding anything whatsoever. She fiddled briefly with the dangling straps, wondering what purpose they could possibly serve, except to string her up like a ripe, holiday ham.

At least it wasn’t a thong, of all things, but it was still... decidedly translucent. Far more than she was comfortable with, especially considering how revealing the skirt was. Still, it was better than having to find another fucking job. And hopefully Rarity wasn’t particularly inclined to stare at her ass. Because otherwise, she was going to be able to see everything.

The thought sent an erotic tingle down Lightning Dust's spine.

Meanwhile, Rarity had run off to her dressing room for something more... comfortable. The public Rarity always dressed sharply - the finest in designer clothes, always - but while at work, Rarity kept it simple. Functional. A white tee and jeans hardly made for a glamorous combination, but it was easy to put on and practical enough for creation. "Lightning Dust?" She rapped gently against the bedroom door. "Are you done changing?"

"Eep!" Dust flailed in surprise, broken out of her reverie by Rarity's knock, tossing the panties in the air. "No! Uh, just a moment, I'll be out in a second!" Ideally, Rarity would not assume that she was having trouble putting on the corset-like top and barge in, but luck wasn’t on her side and never had been, so she decided to work fast. She deftly caught the falling panties and quickly slipped them on, before grabbing the skirt and attempting to put it on equally quickly - but, in her haste, she stumbled and fell face-first onto the bed, letting out a muffled cry and leaving her ass up in the air, pointed directly at the still-closed door.

"Oh, dear!" Rarity gasped. “Is everything alright in there?” She quickly checked herself over, magically smoothing out the wrinkles in her shirt to make it more presentable. Whatever she was wearing, Rarity took pride in her appearance - a lesson she hoped to pass on to Lightning Dust. She noted with pride the way even her simple white shirt brought out the best in her own personal curve. It had been just a hair too large when she'd first bought it, but a little time in the wash, and her dabbling experiments in growth magic, had made it almost form-fitting. She'd miss it quite dearly, after this was all over...

But oh, yes. Lightning Dust. "I'm coming in!" she called, opening the door up. A hot blush formed instantly on her cheeks as she saw Lightning's sculpted turquoise rear aimed right at her. "Oh..." Up went an eyebrow, a smile creasing up at the edge of her lips. That pegasus did know how to make that outfit work, after all. "Lightning Dust! I'm very... um, flattered!"

The panties were, Dust ruefully noted far too late, just slightly too small for her. They dug into her athletic ass and boyish hips in a manner more commonly seen on significantly more voluptuous mares. And she was so fucking horny all of a sudden. It wasn't much, but the panties were already slightly transparent, which in combination with her sexual fluids gave Rarity a view on everything.

"No! Um! I mean, uh- I just tripped! Is all!" She blushed furiously in her own right, clumsily pushing herself to her feet, leaving the skirt awkwardly lying on the floor beneath her. "Sorry. I'll, um, be dressed in a moment." Fuck. Well, at least Rarity hadn't taken advantage of her compromised position, the way she was certain some of her other clients almost certainly would have. As it was, though, Rarity almost certainly had the mental image of her juicy cunt stored away for a rainy day. "I'm, uh, just having trouble figuring out how this whole thing works."

"I understand completely," Rarity said, the blush still obvious on her face. Her nostrils flared as her other senses finally caught up with sight. Goodness, it had gotten steamy in her bedroom. The air was thicker and warmer than it had any right to be, laced with a sensual undertone of what had to be Lightning's arousal. She clenched her fists, heart pitter-pattering in her chest. Well, half the outfit's enchantment seemed to be working very efficiently. She could barely hide her grin at that much. And now for the other half. She picked the skirt up in her magic and laid it gently in Lightning Dust's arms. "If you could just finish up, though... Quickly, please?"

Dust blushed. "Yeah. Uh. One moment." She put the skirt on - this time at a less rushed pace, so as to not fall over again. The skirt was also very slightly too tight. Not enough to cause anything more than very mild discomfort, but still she struggled to get it over her ass and hips. "Ngh, hold on... guh. There. Now, uh..." She held up the next piece of the outfit - the corset. "Now, um. How do I put this on?"

The tingling subtly intensified, and though Dust’s body squirmed and fidgeted, her conscious mind hadn’t noticed.

Yet.

"Here," Rarity took the corset up in her magic, using it to adjust the lacing and her hands to direct Dust's arms. "Allow me." Slipping a corset on an uncertain customer was more or less second nature to her by now. A basic formality that left her attention free to focus on the most important details. She could feel Dust's arms expanding slowly, subtly beneath her fingers, slipping with every second over a fine sheen of sweat as Dust inched upward and outward.

A distinct, unmistakable scent of maleness began to seep into the room, the fabric of Dust's panties protesting silently down below. Rarity could feel her skin flushing, nipples hardening in her bra, a tingling, maddening itch in her crotch that needed to be scratched. Ooh, this enchantment was working perfectly. "Almost done, dear," she half-whispered, still manipulating Dust's arms like a mannequin... even as that mannequin was nearing a foot taller than herself. "Just the cap and stockings left. How are you feeling?"

"Kind of, um..." Lightning Dust inhaled deeply and exhaled slowly, her blush deepening. "Kinda hot?" She adjusted the cups of the corset in a futile attempt to make them dig in less. The fact that even the corset was slightly too small for her was almost baffling, considering how relatively flat she was. And that tingling was even more intense than ever before - stronger and stronger, until she could barely think of anything but. “Is that just me, or is your AC broken?”

"The air conditioning's working perfectly, darling," Rarity said, wiping the sweat from her brow. Truth be told, it was working perfectly. The ambient heat from an increasingly massive and horny pegasus pony, however, was just a little more than the ventilation could manage. “Perhaps it’s just you.”

"Oh. Well. I, uh. I'm fine, then. Just lemme put on the head thing and, uh." She grabbed the headpiece, frilly and lacy and perfectly white, and placed it on her head. "Um... and could you help me put these on?" She held up the stockings - hopefully this would distract her from her mounting arousal. Highly unprofessional of her to get so horny in front of a customer, as amazingly beautiful as she was.

"Goodness, do you need help with your stockings, too?" Rarity giggled, perfectly aware of Dust's... distractions. "I may have more to teach you than I'd thought!" Descending to Dust's nigh-loglike legs, she set about lacing up the thigh-highs. Good that Dust had decided to handle the cap herself. The pegasus’s head had nearly slipped out of arm's reach! "There we are!” She clapped encouragingly as Dust finished off with the headpiece. “Now,” she purred, “why don't you turn around? I'm sure you look positively stunning!"

Dust obediently twirled around, slowly and wordlessly, giving Rarity a good look at her still-growing body. The two mares had started out at around the same height, but now Rarity barely reached the pegasus's navel - and yet somehow the maid costume was still just slightly too small for her body. And what a body! Her tits, each easily the size of her head (and growing!) strained against the cups of the corset, each one just barely covering her fat nipples. The skirt dig tightly into her colossal hips, flesh bulging deliciously over its hem. The stockings, long enough to leave only a fraction of an inch of fur visible between their end and the hem of the skirt, clung tightly to her supple legs, showing off the delicate curves of her muscles. The silky panties were entirely consumed by her enormous, plush ass in the rear, but the real star was the view from the front.

There was no bulge. It was too big for that. The panties were stretched to their limit, barely a thread lining the divide between Dust's colossal teal balls, each one almost as large as her tits. Her cock jutted up proudly and erectly, long and thick and dark blue-green. It was long enough to easily nestle between her breasts, but sheer weight pulled it forward, the massive pole of flesh angled forward towards Rarity, drooling precum in a constant flow.

Lightning Dust stood straightly, almost elegantly. Professional enough to hide that her body was constantly quivering with a barely contained arousal. Still, one of her hands had drifted to her hefty sac, gently cupping it, just barely resisting the urge to fucking -squeeze-.

"What do you think, ma'am? Does it suit me?"

"Fits like a glove, darling," Rarity purred. "And it brings out all your best qualities!" She dabbed a finger ever so gently against the drooling tip of Lightning's cock, a long, sticky strand of pre trailing off along with it. She giggled as Lightning shuddered, even the lightest touch sending a ripple of pleasure up the pegasus's body.

Tentatively, she licked at her finger, her eyes widening as an electric tingle ran down her own spine. Salty, musky, and brimming with virility. If she hadn't been wet and raring to go before, she certainly was now. "Mm!" She sighed, resisting another taste. "I said we'd start you off in the bedroom, Lightning, but I think conditions may be a little too... cramped, for your comfort. Why don't we try the living room instead?"

She led the foggy-eyed Lightning Dust out the bedroom door, magic pushing her neck down just low enough to squeeze her through. "And there's no need to be so stiff and formal with me, Lightning. I may be your employer, but there's no need to call me ma'am, of all things!” She grinned. “Mistress Rarity will do perfectly well."

Author's Note

Once again, based on a lewd RP between myself and unideal, which seems to be a winning formula. Don't worry, we'll get to the good bits next time, I promise.

The Maid Attraction

Now well over eight feet tall, the top of the door only barely met Dust’s chest. She was far too wide to easily fit through it horizontally, forcing her to duck and turn and squeeze her body out slowly. Her cock brushed gently against Rarity's wall, and she just barely suppressed a lewd moan. A maid had to remain professional at all times. No vocalizations of her pleasure unless Mistress Rarity allowed it.

But it all felt so fucking good. Like she was constantly on the very brink of orgasm without quite reaching that final edge. And she was so big! And getting bigger! Already she had to slouch slightly just to avoid bumping her head on Rarity's ceiling. "Of course, Mistress Rarity," she replied calmly, her voice just barely quivering with desire as they made their way to the living room. Time was of the essence here. Soon, Dust would be too big to comfortably maneuver in the hallway. And soon after that she wouldn't be able to move at all. And once things reached that point, well, she didn't want her mistress to have to pay to repair her home and place of business because of her failure as a servant.

"Aah..." Rarity suppressed a moan as the spark of magic ran over her. There it was: 'mistress' - the trigger word. She could feel her stride lengthening, slowly but perceptibly. Bones popped and skin stretched, propelling her just that tiny bit upwards. Her shirt, nearly soaked through with sweat, felt increasingly constrictive as warm Rarity flesh greedily ate up every free inch of space. Even her panties felt tight, the beginnings of a wonderfully sensitive new appendage growing between her legs.

And, just like that, it was over. "Hmph." Rarity grunted, disappointed that her growth spurt had been cut so cruelly short. She knew, of course, that the enchantment on Dust's outfit would channel more and more magic into her with every use of the trigger word, but she wanted it all now. Even that barest drop of a taste of what Dust was undoubtedly feeling every second had made her something of an addict.

"So, Lightning," she began, taking a seat on her widest and sturdiest couch. She indicated a sizable patch of carpet, on which her newly hired maid could rest comfortably... seeing as there wasn't a chair in the world that could hold Lightning Dust's weight now. "Now that we're all comfortable, I'd like to get to know you a little better. We are going to be spending plenty of time together, after all! Why don't I ask you some questions, and you answer with whatever you're comfortable telling me?"

Dust bowed low, her cock nestling gently between her colossal breasts. The mere touch of cockflesh against soft warm breast fat drew a thick gout of precum from the sensitive organ - enough to dwarf any normal stallion's orgasm. It soared over Rarity's head only because the smaller mare was sitting down - had she been standing she would have been just about eye level with the beast of a penis. Dust broke the bow, standing back at her full twelve feet - and her growth showed no signs of slowing down - before obediently kneeling on the ground before her owner. Even with that advantage, Rarity was just barely on eye-level with Lightning Dust's breasts.

"Yes, mistress,” Dust droned, her head fogged with pleasure. “Whatever you ask, I will answer. I live only to serve you. I am your humble servant, your slave, your property. I belong to you, Mistress Rarity, to use as you see fit." She lowered her head respectfully, her cock quivering with increasing intensity as her monologue went on. It took all of her willpower not to cum from submission to her owner alone.

The spell on Dust's outfit processed the trigger words faster than Rarity could herself. She opened her mouth to respond, only to let out a long, throaty moan. "Oooooh yessss," she rumbled, eyes closed in satisfaction. One deep breath went in, her tits rising like dough on her chest, but refusing to fall back to earth as she breathed out. There it was.

Every nerve in her body felt like it was on fire as she billowed outward. The straps of her plain white bra dug into her skin as they struggled to contain her. Her panties had long since given up trying to hold her newly grown dick, a dark, slick stain trailing down her jeans as the lengthening cock snaked down her leg. Rip, rip, rip, fabric tore in a dozen tiny spots across her outfit, cotton and denim alike compromising to contain an ever more massive Rarity. Creamy white flesh spilled out through the tears, her shirt creaking as if to beg of her ‘Please - no more.’

By the time the growth spurt ended, Rarity could finally look down on Dust, her maid now at neck-level... while still on her knees. She shifted idly on the couch, her clothes straining against her every movement. Any sudden moves or flexes - or, Celestia forbid, another use of the trigger word - could leave her completely naked, and that would simply be dreadful.

"You're a very quick learner, Dust," she chuckled. "Flattery will take you quite far in your profession." She stuck out a leg, nudging her foot against the sweltering, squishy warmth of Lightning's overfull balls. “Your future employers will most certainly appreciate it.”

"Wh-" Dust cut herself off before accidentally speaking out of turn. It wouldn't do for the servant to be asking questions of the master, but still she burned with a desire to know what had just happened. Why had Rarity grown? And how could she make her grow more? It was, after all, only appropriate for the mistress to be bigger than the slave. But Rarity stopped growing eventually, and Dust still slowly swelled, bigger and bigger. She groaned as Rarity pressed a soft foot against her swollen, heavy balls, even the slightest stimulation enough to prompt a veritable geyser of precum, sick and translucent, coating more and more of the surrounding room. Her balls churned loudly, a deep, primal, lustful growl for release.

"But why this particular line of work, anyway?” Rarity asked. “Ponyville has plenty of jobs available to ponies who can't find work elsewhere. One simply has to wonder! So tell me: are there any other reasons you decided to become a maid?"

"Gh-aaaaaa~" Dust groaned. Her mistress had asked her a question, and it would be rude not to answer immediately. "I had tried so many other things, Mistress Rarity. All of those jobs for ponies who couldn't find work, I've tried and failed ahaaAAAAAaat" another viscous spurt of precum. "Oooooh, Mistress, please, I can't answer you if you keep doing thaaahaaaafuckkkkk gonna cummmmmmm~"

"Another important skill for a good maid," Rarity said, eyes fluttering as a fresh wave of growth kicked in. She rolled her expanding sole over Dust's churning, sloshing sack, grinning as her toes crept up onto her maid's pre-slicked shaft. "Proper self control. No matter how good it feels, the mistress's pleasure is your first, and most important, concern."

She spread her legs wide, thighs bulging big enough to tear her jeans to tatters. In a single, drawn-out riiiiip her burgeoning erection tore its way up her pant leg, the flared head of a throbbing black obelisk waving just before Lightning's eyes.

"To illustrate the point," Rarity began, sliding her sole over Lightning's fat medial ring, "I'll let you in on a little secret! Referring to your mistress by her proper title makes her grow. Bigger and bigger, and - mm - bigger, perhaps even until you look as small to her as any other pony does to you. So..." Rarity grinned. "My next question: Just how big do you want your mistress to get?"

"Bigerrrrrrr," Dust groaned. Her breaths came fast and shallow, and she gritted her teeth tightly to hold back her overwhelming arousal. "... As big as - ooooh- - as big as Mistress Rarity desires me to make her~"

"Oh, you're too sweet!" Rarity jerked her hips as another surge of growth ran through her - the strongest yet. The tip of her drooling python slid up against Lightning's muzzle, then stuck there as her growth made up the distance on its own. The boundary between plush white Rariflesh and overstretched white fabric blurred more and more, until the shirt exploded off her in a burst of shredded fabric. Rarity shuddered, a need for more and more struggling for dominance over all rational thought. "Still... You say that, Lightning Dust, but I only heard 'mistress' once. I'm not quite sure you meant it! Would you like to prove me wrong?"

Dust's eyes locked onto the quivering obsidian shaft before her, her whole body quaking with the effort it took not to suck it right now. A good maid didn’t do anything without her mistress's say-so. "Yes, Mistress Rarity!” she said, half in response and half to keep her mouth busy. “I live only to serve you, Mistress Rarity! It's only proper that Mistress be bigger than her slutty little slave! That Mistress be bigger than everyone and everything! Mistress must be the biggest! Overwhelming! Mistress needs to grow and grow and her humble little servant is only happy to help her reach that point! Mistress mistress mistress mistress mistressssssss~"

"Oooooh~" If the previous growth spurts had been waves crashing over her, this one was the tsunami. The all-encompassing tidal wave that would dwarf all others. She could feel it building inside her, the first warnings emerging as short, rhythmic bursts of size. "Oh..." Rarity hiccuped as she jumped three inches all at once, the couch whining under her new weight. "Oh my!"

She staggered to her feet, balls the size of Lightning's head - and pulsing bigger with every breath - swaying ponderously between her legs. She took a few staggering steps toward the door, pre-puddles splashing bigger and messier with every jolt of growth. "Come along, Lightni - hic!" Rarity hiccuped again, surging another three inches. She was nearly as big as Lighting Dust now, if not bigger, and still the full force of it had yet to hit. "Let's step outside before we make a mess bigger than you can clean."

Lightning Dust dutifully followed Rarity to the rapidly-becoming-far-too-small-for-either-pony-to-fit-through door. "Yes, Mistress," she replied without even thinking of the potential consequences. Not that she would have objected to Rarity hypothetically outgrowing her home, in theory, but she would have to clean it afterward. And that would be... difficult.

"Oh, this is going to ruin my mane..." Rarity grunted, trying to squeeze her way through the door. The larger-than-normal doorway had seemed a little much when she'd first bought the place, but now she was both too tall and too wide to fit comfortably. Particularly at the chest. Try as she might to squeeze herself through, there simply wasn't enough room to fit all that Rarity past it. At Lightning Dust's latest mention of the trigger word, another jolt ran down her spine. "Hic!" Crack! Another surge of growth forced the doorframe wider, the wood bending and cracking around her massive form.

"Well, there we are!" she said, slipping out into the warm afternoon sunlight. She raised her arms over her head, hands creeping up over the second floor as she grew in ever greater spurts. "My, does it feel good to streeetch after spending so much time in such a cramped space. Don't you think so, Lightning?"

"Yes, Mistress Rarity," Dust replied, bowing low once again, coaxing another few gallons of pre from her dark blue shaft. Standing back up, she found herself just barely coming up to Rarity's armpits. So close, but at least now Mistress was bigger than her servant, as was proper - though Dust still felt herself growing bigger and bigger. She’d have to work extra hard now to keep Mistress ahead of her.

"Mmhm!" Rarity sighed, basking in not only Celestia's warm sun, but the attention from all the surrounding ponies. She'd have thought by now the town would be used to the sight of her nearing two stories tall, but some things they simply couldn't be expected to get used to. She bit her lip, cock twitching as the growth magic roared inside her. Oh, it was so close! It wanted to be free, to make her the biggest, most beautiful mare in all the world. But not yet - oh, not just yet. She had to spread it out. Use it sparingly. Make it last.

"Next lesson, Lightning Dust!" she said, stepping toward her cute little maid. Dust's own growth kept her from shrinking quite as fast in Rarity's eyes as everything else, but next to Rarity she still looked practically like a child. The warm, pillowy weight of Rarity's chest pressed down on Lightning's bust, threatening to swallow her head up in her soft, inviting cleavage. Their cocks pressed together, slip-sliding over each other with every inch their owners grew. Rarity gasped as another surge hit her, slathering Lighting's shaft in a blob of pre.

"Next lesson..." she repeated, her train of thought interrupted by her barely restrained expansion. "Is that you must make yourself comfortable with being seen with your mistress." She sat herself down next to her boutique, back rising slowly against the walls. "Why don't you show everyone how comfortable you are?"

"Yes, Mistress Rarity." Dust bowed again, and then knelt down before Rarity. "I will do whatever you ask of me." She leaned forward, the tip of her muzzle just barely making contact with a monolith of black flesh that put her own member to shame. "Mistress Rarity," she breathed quietly before inhaling the powerful musk of her owner. She gently nuzzled the enormous cock. "Whatever you say, mistress~"

Rarity jumped another foot right there. Her cock pulsed, a blob of pre trickling down over her loyal pet's head, its travel delayed ever so slightly by her lengthening shaft. "Mm, you're a very good listener, Lightning," she said, "but the very best maids know how to take some initiative. Don't just tell me how comfortable you are. You have to make sure everyone watching knows it."

"Yesssssss, mistress," Dust hissed. She cooed as Rarity grew again, the black pillar of cockflesh swelling bigger and thicker and harder in Dust's grasp. She squeezed it, and pressed her whole body against it, pushing herself up and down all over it. Their massive lengths - Rarity's being significantly more massive than Dust's - slid against each other, aided by the gallons of gallons of slick precum that the smaller mare's cock was still spewing. She squeezed her enormous breasts tight and firm, and licked greedily at the shaft. "Oooooh, please, let me cum~ Please put your huge cock in your servant's unworthy pussy, Mistress Rarity~"

Rarity could feel the growth welling up inside her, the primal magic waiting to be freed. Soon, oh so soon. Cracks spiderwebbed in the wall at her back as her head inched up the boutique. Dust's precum and hers mixed together into a growing sticky pond - nigh on a sticky lake - forcing everypony watching to back further and further away.

"You've been doing so well," she said, grinning. "I suppose you do deserve a treat." In a single, smooth motion she put her hands around Lightning's waist, flexed her trunk-like arms, and hoisted the smaller pony up over her monolithic meat rod. She could feel the heat of Dust's arousal, only a foot away from the sweltering sauna boiling around her own cock... and shrinking as her pet continued to grow in her hands. That gave her an idea. "One final trick, though," she said, still holding the squirming pegasus level. "Tell me how much you want it. Tell me what you would do to get it. Tell Mistress Rarity exactly how much you need her fat black marecock."

"Gnnnnnn~" Dust groaned pitifully, surging a few feet from sheer arousal - though she still wasn’t even close to matching her mistress. "I need it more than air, more than food, more than anything! I’ll do anything you ask. Anything you desire, my mistress. My goddess." She squirmed as Rarity grew again, pulsing bigger and bigger around her and above her. "Biggerrrrrrr," she moaned, gears slowly turning in her lust-addled mind. "Mistress Rarity must be bigger. Mistress Rarity must be biggest. Mistress Rarity must be the goddess that she deserves to be, and only I can make that happen, Mistress Rarity." She squirmed, her cock spewing thick precum like a firehose. "Mistress! Mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, mistress, MISTRESS!" She screamed at the top of her lungs, over and over and over and over, showing no signs of stopping any time soon.

Whatever Rarity had been expecting from her little pet, it certainly hadn't been that. It was, however, a very much welcome surprise. Her eyes rolled back into her head, a deep, guttural moan building in her throat as the magic crashed over her. An increasingly tiny Lightning Dust slipped from her fingers, bouncing off the slick flared head of her cock and landing snugly between the shaft and all the rest of Rarity.

"Mmm, oh! Keep that up!" All that Lightning Dust, in her barely-fitting, cum-soaked maid costume, made for quite a sensation. And all the while she was still chanting, yard upon yard of supple white unicorn booming outward with every "Mistress!" The boutique crumbled behind her, bulldozed by Rarity's expanding rear as legs closed like walls around town square. Her ever-plumping balls churned and sloshed with an ocean's worth of seed, precum streaming down her shaft like a waterfall. "Almost there! Keep it up!"

Dust paused her wild chanting only to squeal with orgasmic joy at her Mistress's continuing growth spurt. She threw herself forward, tightly hugging at whatever parts of Rarity's now tree trunk-sized cock she could get at, enveloping and humping one boulder-sized, musky testicle. She screamed - "Mistress!" - over and over with wild, orgasmic abandon. "Cum, mistress! Cum all over me, mistress! Drown the world in your sweet, divine cum, Mistress! Mistress mistress mistress mistressssss~!"

With a final earth-shattering jerk of her hips, Rarity came. A volcanic eruption of hot white cream shot into the air, more and more every second as her growing body consumed all available space... and made some more, dirt and structures alike pushed out of the way to make plenty of space for Equestria's new goddess. Rope upon rope of cum splattered back to earth, swallowing ponies whole and lathering houses a mile around in a thick layer of sticky unicorn spunk.

Eventually Rarity's orgasm tapered off, her screams of pleasure fading into satisfied sighs, but that was by no means the end of anything. Even now, she could feel the magic coursing through her, her balls already bloating even larger with fresh seed, her cock stirring to life as another spurt of growth coursed through her body. The geography town itself was increasingly molded around her prone form. "Well!" she said, a smile on her lips. "That was very good, Lightning Dust. I've no doubt you have what it takes to be one of the best maids in the business."

"Gnhaaaaa~" Dust moaned lewdly, rapidly building up to her own cataclysmic orgasm - though in her case, the term was much more figurative than it was for Rarity. Building and building and BUILDING, but never quite reaching that moment of sweet release. That wouldn't come until certain conditions were met.

"Ooooooh, mistress, please~ Please let me cum~"

"Of course, pet," Rarity giggled, reaching a finger nearly as tall as Lightning herself down to stroke her little pet's needy cock. "You've earned it. Mistress permits you to cum."

"YeeeeehEEEESSSSSS!!!!" Dust screamed, louder and louder and louder, a lewd crescendo that built and built and built as Dust grew. Bigger and bigger and bigger she surged in wild, uneven spurts in rhythm with her cries of bliss. "More!" Her cock convulsed under Rarity's ministrations. "MORE!" She quivered as she felt a handful of the few remaining buildings in Ponyville get crushed beneath her increasingly massive form. Bigger and bigger and "BIGERRRRRR!" until finally, in a rapturous explosion of pure bliss, and one final cry of "Mistress!" Lightning Dust came. Hard.

The resulting geyser of cum was dwarfed only by Rarity's earlier eruption, but the sheer volume of seed unleashed was still staggering by virtue of her sheer size - only slightly smaller than her goddess. Everything in a mile was coated in a thick layer of Rarity's fluids, and everything in a half-mile was further coated in a layer of Dust's. Gout after gout of thick white fluid shot up into the sky, raining down on the town below - and beaning a passing cyan pegasus directly in the face.

"Argh!" Rainbow yelled as Lightning's cum swatted her out of the sky, pinning her down in a lake of Rarity's own juices. What emerged looked more like a pale blob of sticky pony batter than Rainbow Dash. She wiped as much of it off her as she could, wings whirring as they struggled to shake off the gluelike cum. "Ack!" She spat, looking up to the colossal naked unicorn lying before her. "I knew you were behind this, Rarity! What did I tell you about brainwashing my friends and flooding the town in cum?"

"Moi?" Rarity looked almost scandalized, one hand covering her face in mock horror... the other gently stroking her stiffening cock. "What makes you think this was all my idea?"

"Um..." Rainbow gestured to the giant pegasus snuggled up at Rarity's side. "Because Lightning Dust's in one of your maid outfits, acting like your personal sex slave?"

"Well, yeah. That was the point." Dust rolled her eyes. "'s what she paid for, at least." Dust got up and stretched, glancing around to survey the damage. "Dang, we made a huge fuckin' mess. I'd say this counts as you getting your money's worth, right? I mean, if you go for the whole 'I wasn't satisfied' refund thing I don't get paid and fuck that."

"No, no!" Rarity chuckled. "I'm very satisfied. You can be assured I'll recommend you to all my friends."

"Wait..." Rainbow Dash's eyes widened as she put two and two together. "You hired her for this?"

"Well, of course, darling." Rarity said, as if it were the most obvious thing in the world. "What else can I do but roleplay now? I did promise no more brainwashing, and a lady never goes back on her word."

"Awesome.” Dust nodded. “Cleanup crew'll be by later today. We've already got your full payment so don't worry about logistics or anything, we've got everything covered. Ponyville'll be back to normal before dinnertime." Dust held a hand out to the larger mare, pointedly ignoring Rainbow Dash beyond a brief dirty glare. "Thank you very much for choosing Rooms and Brooms Erotic Roleplay and Cleaning Services. The only thing we’re better at than cleaning messes is making them. And on a personal note, it was a real pleasure doing business with you, Ma'am. Of course," she licked her lips, cleaning off a fraction of a fraction of the thick coating of cum that covered her entire body - from both involved parties, "you don't need me to tell you that."

"Cleanup crew?" Comprehension dawned slowly and terribly on Dash's face. "You mean the town’s volunteer pegasus cleaning squad? This was the special assignment I was going to be doing today?"

"Was it?" Rarity sighed, hands speeding up as pre drooled in streams down her shaft. "Goodness, what a task! I do hope they're paying you well for it."

"They'd better," Rainbow grumbled. Shaking off the last of Rarity's cum, she flew off into the distance, muttering about needing a storm cloud and scents she'd never be able to wash out. Dust watched Dash fly off with no small amount of smug satisfaction. Perhaps this job wasn’t so bad after all.

And, as Rarity watched the rainbow streak disappear into the sky, it occurred to her that she still needed to hire a maid. Her boutique, or what was left of it after being flattened under her expanding body, was still in dire need of clean-up! A grin settled over her face, her strokes picking up in tempo as the perfect candidate came to mind. Why, yes, she did know a certain feisty pegasus who'd look just adorable in a maid outfit...

Author's Note

The second part arrives! Thanks again to uni for being an awesome rp partner and in general a great person to work with, and I'll see all y'all for the next installment in Rarity-femdoms-minor-villains.