FSE

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Story by ThisAccountDoesExist

"Alright then, I'll see you in two weeks, hun. The shower room is down the hall if you need to clean up."

The thick, ornate wooden door creaked open slowly, rays of light from the bright lamps in the hallway shining across a massive mass of fuzzy brown fur currently completely blocking the view of the room within. Even as the door swung fully open, virtually nothing was visible past the form of the behemoth babe standing under- or rather, next to its frame. Arrieta turned away from her client and ducked a few feet down in order to fit under the doorway, which was comically undersized for her height; The elegant, robed form of the feminine Lopunny came into view as she stepped fully out into the spa's main hallway. Her expression was one of calm composition, her gleaming red eyes narrowed slightly and her mouth closed in an ever-so-slight smile that could easily be mistaken for a scowl in the wrong context.

"Hmmph. Bit messier than I would have liked, but at least that's it for the day."

The gargantuan bunny-woman stood at just about twelve feet tall, a tremendous height that dwarfed virtually everyone else she knew and then some. Befitting of her massive measurements, Arri was just about equally well-endowed; her curvaceous body was only tenuously covered up by a silky, flowing robe that looked more like a blanket for a giant's bed than anything else. Her thick thighs and wide hips stretched it nearly to its limit around her waist, the garment visibly almost skin-tight against her soft curves. It squished firmly into her colossal chest, producing a cavernous valley of cleavage in between her wobbling, womanly breasts, each easily the size of a yoga ball and then some. The visible bulge of her twin puffy, pinkish nipples stood out even through the thick fabric, both of them erect after her last "appointment."

Although it was somewhat obscured by her clothing, the three-foot-long tent Arri was currently pitching around her waist left no doubt as to what the busty bunny was packing underneath. Similar to her thighs, the outline of the thick, fat flare of a humongous horsecock was clearly discernible underneath the ponderously ineffective robe, its very tip darkened with moisture. Even as it continued to soften, losing inch after inch of length as her massive meat receded back into her sheath, it gave off immense throbs of pure desire, spurting small globs of precum straight into the air.

It was no secret that Arri was a tremendous woman, virtually unmatched by anyone around her. She was known far and wide throughout all corners of the world for her displays of debauchery online, which had garnered her and her excessively endowed body much in the way of fame and fortune; Although it had initially begun as a simple supplement to her job at the spa, her career in the lusty and lewd had quickly grown to the point where she could have certainly retired without concern.

She hadn't, though, of course. She quite enjoyed her job as a master masseuse, and if anything, her double duty in horny home videos and hospitality granted her more than enough opportunities to satiate her ludicrous libido. Most of her clients were more than eager to receive her famous extra-special treatments, and she was just as happy to provide.

Well, it had its drawbacks, she thought, looking down at herself. The last session of the day had, as usual, been a particularly sloppy one, since she wasn't burdened with the responsibility of looking proper for the clients to come; She was thus left feeling much messier than usual. Her precum-soaked robe aside, beads of sweat and small patches of suspicious sexual fluids were accumulated all across her fair brown fur. There was no way she was going home with all this on her, so with a small sigh, she turned to the other end of the hall and made her way towards the showers.

The showers were positioned at the very end of the winding, labyrinthine hallway of the spa, which would have been a rather long walk if Arri didn't have twice as large a stride as everyone else in the place. There were three doors; two of them marked with typical male-female iconography as was to be expected, and another one, denoted instead with a large gold-colored plaque reading "PRIVATE". This door was also positively massive compared to the others, nearly fourteen feet tall and reaching up to the very ceiling. Even before Arri turned the doorknob and slipped inside, it would have been overwhelmingly obvious who it was designed for.

The private showers were just as immense as the door that led to it; to anyone besides Arri, it would have looked like the bathroom of a giant, but for her, it appeared instead a perfectly normal-sized, if slightly spacious to accommodate her own significant size. It was completely open, a wide, rectangular room containing a set of sized-up bathroom fixtures as well as a large showerhead on the opposite wall and a frankly ludicrous amount of drains installed into the flooring. There must have been two or three dozen all around the tiling, each one fitted with wide metal grating that looked more at home in an industrial setting than the quaint, neatly-organized shower room they were actually in.

"Mmmmff, finally,"

Arri let out a little moan of relief as she shut and locked the door behind her, flipping the switch on the wall as the sliver of light from outside faded away. She always looked forward to the end of the day; as much as she enjoyed her job and all the many... benefits it provided, a warm shower and a few minutes alone with her thoughts was a blissful respite from the hustle and bustle of her undeniably unusual life. The management of the spa had been kind enough to install many features to accommodate their prized masseuse; Arri attracted so many customers that it was frankly the least that they could do, and the Lopunny was certainly very appreciative.

She untied her robe and promptly pulled it off, tossing it over to the side wall where a small hook hung about halfway up. Now unrestrained by her clothes, her breasts bounced free from their confinements, wobbling madly on her chest with every step she took towards the shower. Her enormous erection flopped down to around knee-height, still not quite fully softened from her previous promiscuity but currently only at about half-mast; Even in its flaccid state, though, it was still three feet of pulsing, pinkish equine excess at a length that would put even the most potent of breeders to shame. Complementing her colossal cock, of course, were the titanic twin spunk-tanks sloshing quietly under her waist, each one somehow a little larger than her breasts and only about a foot away from rubbing against the tile flooring of the bathroom.

Arri couldn't help but let out a deep, contented sigh as she felt the cool air of the room hit her exposed endowment, her hands almost moving downwards to give it a sensual stroke before she caught herself.

"You're here to get clean, Arri. Not messier than when you came in."

It was a reminder that she did legitimately need to tell herself; she could think of several examples of such it happening in the past, and she knew for sure that the spa's designated plumbers could probably remember many occasions she couldn't. As she stepped into the shower half of the room, she felt herself blush slightly at the mere thought of it. Her masturbation sessions were magnificently messy, something that any one of her fans and especially herself knew all too well.

The showerhead roared to life with a loud fwshhhhh, interrupting Arri's train of thought as comfortably warm drops of water washed over her sweat and spunk soaked body. She brushed her huge ears back a little bit with her hands before throwing her arms into the air in one huge stretch...

"Aaaaah, that's good,"

She set to work washing the parts of her fur that had been dirtied the most by the day's deeds, a process that was by no means easy but nonetheless relaxing for the massive maiden. The mix of sweat, pre, and cum collected on her body washed away down the drain, leaving her feeling far more clean and comfortable than before; Though at this point she was probably plenty clean enough, she found herself hesitating to switch off the water, instead taking a moment to simply stand in the shower and think.

Her attention was quickly drawn to her cock, still mostly flaccid and swinging back and forth between her legs below. She felt another deep sigh pass her lips, this one more of resignation than anything else. She always got a little more introspective than she might've liked in the shower, and she could feel a bout of it coming on already...

"I sure am big, huh?"

Without anyone else to overhear her- or so she thought- over the pitter-patter of water falling to the floor, Arri began a calm conversation with her inner thoughts. She was big, so damn big. Most people she met barely even came up to her waist; hell, when it was fully erect, her cock was six feet long, as tall as the average person. She was perfectly content and happy with her body, sure, but sometimes she just wished she had someone else on her level. There were so many super-cute clients of hers that enjoyed every second they spent being speared on her enormous erection, but Arri certainly wouldn't have minded someone a little... bigger, just to change things up.

"Would be nice to meet someone like me, just so I had an... equal, I guess."

Unseen by Arri, the shadow cast behind her by the light in the center of the room moved slightly. Though the large Lopunny was standing completely still in the shower, the fuzzy, dark borders of her shadow seemed to shake and shiver strangely; As she continued to lament her lack of a sizable sexual partner, it began to vibrate violently, before beginning to contort and distend itself, shifting from the shape of the immense woman to a completely new one. The shadow's long, fluffy ears morphed instead into a pair of short, pointed, floppy ones adorning the outline of a much smaller head, and two curved, sharp-looking horns popped up from its top. The massive, wide silhouette of Arri's ample hips and breasts slimmed down slightly, forming into the image of a substantially smaller person.

A pair of glowing eyes, one a bright green and the other a deep, vibrant purple, appeared on the shade's face as it crept slowly up the back wall of the shower, extending well past the bounds of where Arri's shadow would have fallen normally. The busty bunny was none the wiser, at least not until something began to step out of the wall itself and the sounds of water hitting the tiles were interrupted by the presence of the room's second occupant...

Arri's ears twitched a little; she could now definitely tell that something was off, there was the strange feeling that someone or something was watching her, but she couldn't for the life of her think of a logical explanation for it. Slowly, cautiously, she turned to face behind her...

"AH! Holy sh-"

As soon as she laid eyes on the shadowy figure standing mere inches away from her, she jumped so high that she narrowly missed hitting her head on the ceiling. A woman had materialized seemingly out of absolutely nowhere right behind her, considerably smaller than herself but still quite a bit taller than most people she met. She didn't really know what she had expected, but whatever it was, it certainly wasn't that. Shock, and frankly a little bit of fright passed through her mind, although not so much of the latter; after all, she still looked to be nearly four feet taller than the intruder, and if they meant her harm she would have had a significant advantage.

"Oh dear, I'm sorry, I didn't mean to freak you out,"

The figure spoke, its voice fittingly panicked but with a note of composure buried underneath it all. It was definitely a feminine one, soft-spoken and gentle despite the current situation, and even just hearing it seemed to send a sort of strange feeling of security through Arri's mind, like a subconscious reassurance that the voice's owner was benign. The moment of calmness allowed the busty bunny to get a better look at the strange woman, her heavy breathing settling down a little bit as she scanned her body top to bottom.

"C-can I help you? Who are you, and why exactly are you in my private showers?"

The dark-furred woman looked to be around eight feet tall at a quick glance. Her face was adorned with a set of feminine, feline features, which, in tandem with the pair of catlike ears on its sides, made their species at least somewhat clear. Confounding things slightly were the horns atop her head, two jet-black, gleaming spikes that ended in razor-sharp points. Arri would have perhaps thought the woman was some sort of weird regional Houndoom variant or something, but the pattern of her fur and the shape of her body didn't match up.

She didn't really have too much time to ruminate on the strange girl's species, though, since her attention was quickly drawn instead to her completely naked body. Her focus shifted downwards to her chest, where a pair of respectably large, perky breasts jiggled slightly in the downpour of water from above. Onyx-black nipples capped them off, shining in the light of the room, but those weren't the only parts of the woman's body that caught the light- and for that matter, caught the eyes of Arri.

Down a few feet lower on her body sat an enormous, fully-erect cock, in the shape of a horse's like Arri's own, but with several smaller differences. Firstly, it was the exact same pitch-black tone as her nipples and horns, standing out against the slightly lighter fur of the rest of her body; It also didn't appear to have a sheath. Her balls were proportionally just about as large as Arri's, each of them roughly the size of a watermelon and hanging heavily down past her knees. The horsecock throbbed and swung heavily around on the woman's waist as she instinctively took a step or two back, giving Arri a bit more space to actually size her up.

"I'm Lucy! I, uh, heard you talking to yourself while I was passing the showers, and I couldn't help but be a little nosy, I suppose."

She gave Arri a sheepish, somewhat disarming smile, drawing the bunny's furiously blushing gaze back up to her face. After thoroughly examining Lucy's body and getting a look at her own endowments, she was beginning to understand what she had snuck in for, and her feelings towards the strange woman in general were rapidly softening, unlike her erection. She was so much larger than anyone she'd met in a while, even if she was still a little ways off from her own size... she could feel her cock hardening rapidly as Lucy chimed in again.

"I'm a demon, a succubus, actually, and I suppose I thought maybe I could help you out with your little problem."

Oh. Arri wasn't quite sure how to process that last statement, and Lucy seemed to take note of her taken-aback, slightly confused expression. On one hand, Lucy seemed pretty harmless, surprise shower spying aside. She was honestly kind of cute, now that she looked at her closely, and the colossal cock swinging around her midsection of course helped a lot; on the other hand, though, Arri didn't think demons generally had the best track record for harmlessness. Before she could object, though, Lucy spoke up, as though she had read Arri's mind; Maybe she had, or maybe she had just expected her hesitation.

"Oh, I'm not that sort of demon, I don't want anything from you. I just want to have some fun! I can leave though, if you'd prefer."

Even though Arri figured that the word of a demon probably wasn't the most solid, something about the way Lucy spoke seemed to tell her that the demoness was being honest. Her face wore a bright, cheerful smile, and her huge horsecock was currently leaking precum all over the tile floor, and the bunny babe couldn't help but believe her. Her curiosity was rapidly getting the better of her, she had to admit; Of all the clients and companions she'd had throughout her years as a professional pornstar, she had to admit that she'd never met a succubus, let alone one so friendly and down to fuck. There was really only one problem; Lucy had said she overheard her lamenting her lack of a suitably sizable sex partner, but to be honest, she wasn't quite there yet. She was about four feet short, and her cock, while incredibly impressive, was only half the length of her own when erect.

"Well... Sure, I suppose. But you are maybe a little bit on the small side, not to be rude."

She half-expected Lucy to drop her cheerful attitude at her remark; what she didn't expect was the wide, ear-to-ear grin that rapidly spread across the succubus' smug face. Lucy's eyes narrowed mischievously, seeming to actually glow in the deluge of water from the showerhead above, and she put her hands to her hips in a somewhat triumphant manner.

"Mmm, I thought you might say that, heh. Lucky for you, I've got a few tricks up my sleeve~"

Lucy's voice took on a tone dripping with desire and lust, lightly teasing and overall quite befitting for the infernal feline; She poked her tongue out playfully before lifting one hand up to about shoulder-level, her lips suddenly shifting at a mile a minute as she inaudibly muttered a strange, unearthly incantation.

A bright, purplish glow started in the center of her palm before spreading quickly out to encompass her entire hand, creeping down the length of her arm, meeting at her shoulderblade, and immediately enveloping the rest of her whole body in a matter of seconds. The cat was fully surrounded by a rather eerie aura of magical energy, making it a little bit difficult for the surprised but curious Arri to make out her features within it. What she could make out, though, was that the entire outline of Lucy's body seemed to be growing, surging in size and gaining inches of height with each passing moment. Before her eyes, the salacious succubus grew by one, two, four feet, before finally stopping as her horns reached ever-so-slightly above Arri's ears. The magical glow dissipated, bringing her new body into clearer view...

Somehow, Arri was now perfectly at eye-level with Lucy. She had effortlessly grown to an equal size as her using her magic, a huge smile on her face as she looked at Arri with a mixture of pride and excitement.

"How's this for you? Could go bigger, if you like~"

She gestured below her chest, prompting Arri to look down through the demoness' mountainous mammaries. She had no idea how she had missed it, but during the course of her transformation, Lucy's horsecock had doubled in size, growing from its initial, respectable three-foot length to match Arri's own, gaining another meter of meat and several inches of girth. Arri could feel her cheeks heating up immensely just looking at it, and her own loins were doing the same, the bunny's equine erection surging quickly to its full size to mirror its dark-colored doppelganger. Lucy's balls had plumped up substantially as well, mimicking the mass and weight of the Lopunny's as they just barely fell short of touching the floor; Even with the sounds of the shower, both girls could hear each other's nuts sloshing and churning audibly with their liquid contents, producing faster and faster with their rapidly-growing lust...

"W-wow, that's... amazing. This is plenty big for me,"

Arri was actually having a hard time taking her eyes off of the succubus' shaft. Was this really how big she looked to everyone else? She knew she was enormously endowed, but seeing someone with the same sizes as herself was something else entirely, and she was loving it.

"Perfect! Now why don't we get started, looks like we could both help each other out, hmm?"

Lucy gave a little giggle as she raised her other hand past her colossal chest, murmuring another speedy spell and snapping her fingers. She gestured towards the wall on Arri's right side, where the effects of her magic had taken hold.

Turning to face the previously uninteresting tile wall, Arri found that a set of four strange, circular holes had opened up across its full width, arranged in a kind of square-shaped pattern. They seemed to be formed out of an odd, dark substance, not unlike a flat shadow except that nothing could be seen through them. She was about to ask Lucy what they were for, until-

She was caught off guard as something huge was thrust only a few inches from her nose through one of the holes, specifically the one at face-level to her. Initially, she didn't know what it was, until she turned her head slightly and came face-to-face with the fat, throbbing flare of the demoness' colossal horsecock. Confused, she looked over at Lucy, only to find that the succubus was now pressed firmly against the other end of the shower wall, her cock parallel to the floor and seemingly thrusting directly into solid concrete.

"Portals, hun. Makes it a little bit easier, I'd say. Go ahead now, don't just leave me hanging over here~"

She gestured towards the portal at her face level, which was currently empty. Arri was still somewhat cautious, but certainly didn't want to keep Lucy waiting; She took hold of her own cock with both hands and carefully positioned it in front of the bottom hole of her side, slowly sliding it into the inky blackness and gasping as it vanished into the wall... And promptly emerged right in front of Lucy's wide, waiting mouth. Once she had gotten over the initial awe of slipping her penis through the portal, she turned her attention instead to the pillar of horsecock hanging in front of her, knowing exactly what Lucy meant them both to do.

Taking a deep breath in and out, Arri opened wide and thrust her face forward, slipping the massive flare of her partner's cock into the warm, wet depths of her mouth. At the same time, she pushed her waist in towards the wall, shoving the remaining length of her own cock through the portal; No sooner had she started her sloppy sucking did Lucy return the favor on the other side, slamming her gaping maw down onto Arri's magnificent meat with one swift motion and sliding her shaft further out on the bunny's side as well. It took a little more effort for Arri to fully deepthroat the demoness' dong; Though she was supremely skilled at just about all sorts of sex, the lusty Lopunny had to admit she wasn't quite as experienced with taking than she was with giving. Nonetheless, she managed to take all six feet of Lucy's cock after a few forceful facefucks, not wanting to be shown up by the succubus. Arri was all for having a good time, but something in her wanted to see just how long Lucy could last, especially against such a sexual powerhouse as herself.

The shower quickly filled with the sloppy, spluttering splats, splurts, and sports of the two hyper-hung girls' dual deepthroatings. Arri's cock was pumping out precum like a fire hose, and Lucy's was doing much of the same, flooding their stomachs with gallon after gallon of each other's outputs while they both managed to keep just about every drop inside. All the while, both girls were just as calm and composed as before, casually cramming cock down their throats and getting their bellies bloated with prespunk like it was nothing out of the ordinary. The minutes melted away as they continued to slam their shafts into the wall, both pairs of colossal cumtanks slapping against the wet tiles and sloshing madly with built-up ball batter...

Arri eventually started to intensify her already room-shaking slams, increasing the speed of her thrusts to see if Lucy could keep up with her. Their rhythmic slaps and plaps went out of sync as the bunny put her full strength into her frenzied facefucking, pounding her cock in and out of the demoness' supremely stretchy throat with positively brutal force. Try as she might to overwhelm the succubus, though, Lucy couldn't crumble, holding up against the horny hare's oral assault for hours on end as time passed in a blur of sloppy slams and lewd, mewling moans. Arri really had to admit, she was becoming increasingly impressed by Lucy's endurance; Not only had the demoness gone for so long without tapping out, sucking and fucking nonstop for who knows how long, but she had yet to actually cum, both her and Arri's balls simply swelling in size with their excess production as their deep, thick sloshes grew in volume.

As the afternoon turned to evening, Arri gave a cursory glance out the small window on the other side of the bathroom, slowing down her tremendous thrusts just enough to give Lucy a short break. The light shining through the glass had shifted from a bright white to a deep, reddish amber color, a telltale sign that evening was approaching. She still wasn't sure just how long they'd been at it, but it was as good a time as any to finally let loose. Granted, cumming after a mere few hours of high-impact sex was still extremely early for Arri, but she wanted to see just what else Lucy could do with her horny magic, so it was worth it regardless.

Letting out one massive, lustful roar, Arri stopped holding back, the floodgates bursting open as her oversized orgasm swelled up to full force in a matter of moments. She gave the portal in the wall one last slam as she hilted her cock balls-deep down Lucy's throat, feeling her churning spunk-tanks clenching tightly as they worked to blast arm-thick ropes of bunny batter into the cock-hungry catcubus; Lucy, upon feeling Arri's cock flaring inside of her and bulging obscenely with the sheer volume of her first cumshot, reached her own limit. Her own ebony endowment was shoved roughly down Arri's equally eager throat and she too began the lengthy process of blowing her ludicrously large loads into her partner.

Both girls' bellies gained at least a foot in size after the first cumshot alone as fat, thick spurts of potent seed surged through every bit of empty space inside them, eventually running out of room as their now-massive midsections swelled outwards to the size of beach balls and beyond. All the while, they didn't waste a single drop of the stuff, drinking deep of each others' colossal climaxes as every inch of their huge horsecocks throbbed and pulsed inside their throats.

Eventually, they cumflated each other to the point where their rapidly-bulging bellies began to push the rest of their body away from the wall; too turgid and heavy with liquid lust to move, their cocks slipped out of each others' throats and back through their respective portals, causing both girls to slump back onto the floor of the shower, weighed down by their gigantic guts.

Of course, neither Lucy nor Arri were anywhere near being done, and they both knew that very well.

"Mmmmf, that was wonderful, Lucy... W-what do you want to do after we're done digesting all this? Might take a while, we've got some time to think..."

Arri stretched her arms and legs, or at least as well as she could with a belly just about as big as the rest of her entire body. She could just barely see Lucy to her side, but her eyes immediately widened as she got a good look at the familiarly devious expression on the demoness' face.

"Why wait?"

Lucy gave another half-innocent, half-mischievous giggle and- while she couldn't see it past her massive belly- a soft purple glow on the wall past the succubus told Arri that the woman was working her magic once more. Not long after, a loud rumbling noise filled the entire room, and suddenly-

If she had blinked, Arri might have missed it; in a matter of a few seconds, both of the girls' behemoth bellies shrank at an admittedly alarming speed, packing away dozens or even hundreds of gallons of cum in no time at all before their stomachs returned to their normal, pleasantly flat states. Now without her gravid gut weighing her down, Arri could properly get to her feet, followed shortly after by Lucy. Now that it wasn't obscured by her own overstuffed belly, Arri noticed that her cock was still completely hard, even after such an immense load; She was still nowhere near satisfied. Her balls chimed in by giving a huge, thick gurgle as they immediately set to work brewing up more bunny batter to replace whatever she had unloaded into Lucy minutes ago. Lucy was, as to be expected at this point, in the exact same boat, still egregiously erect and packing enough in her colossal cumtanks to go for another round, or ten.

"I have to say, Lucy, I haven't had this much fun in a while~ It's certainly nice to have someone on equal footing as myself."

Lucy beamed at the busty bunny's compliment, blushing with pride. Her cock reacted too, sending a particularly wide jet of precum splattering against the shower wall. Arri, more than ready to resume the night's erotic events, leaned in closer to the demonic feline and half-whispered into her ear.

"Now come on, let's get back to cumming our brains out, hm?"

That was all Lucy needed to hear, a grin spreading across her face again and her eyes glinting with the same note of craftiness Arri had come to associate with the cocky cat.

"Sounds like a plan~ Here, I've been practicing this spell a little bit, I think it's just what we need..."

This time, both of her hands glowed with purple magical energy, and her expression shifted to one of slightly more focus and concentration than before. It took her a moment to cast the incantation- it seemed once that perhaps she had done it wrong, and had to start again- but eventually she was successful, the strange light accumulating into the shape of two small, apple-sized orbs before flying out of the demoness' palms and into the air.

One of them impacted Lucy's own chest and dissipated inside of it, and the other did the same with Arri's chest, vanishing into both girls' gargantuan boobs. Each of them seemed to glow softly with the same light as before for just a few seconds before it faded away.

"There we go, it worked! Now check this out~"

She waved her hands gracefully in the air, and out of seemingly nowhere, a thick black smoke swirled through the shower and began to form two very large, vaguely familiar shapes on the tile floor. After a couple moments, they took on more clear forms, their edges becoming sharper and the smoke making them up becoming a solid, dark gray substance.

Sitting before both hyper-hung girls were two custom-made onaholes, a foot or two apart from each other, created out of some soft, squishy material; to Arri's surprise, she found that they were in the exact shape of both herself and Lucy, looking not unlike a pair of rubbery, jiggly clones. The Lucy onahole was conveniently placed in front of her, and hers positioned in front of the demoness, presenting its ample artificial ass to the succubus' monstrous meat. Noticing Arri's vividly blushing, flustered face, Lucy wasted no time in lining up her fat flare with the stretchy folds of the rubber rabbit and slamming it inside with force enough to send the entire oversized onahole jiggling wildly from the impact of her massive balls alone. She gestured teasingly towards the real Arri's ass, licking her lips deviously.

"Don't know if it feels quite as good as the real thing, but it'll certainly hit the spot~"

Arri wasn't going to pass up a chance to pound her partner's pussy- fake or not- into next week; If there was one thing she was a professional at, it was rough rutting for hours, even days on end, and she was happy to do that with Lucy. She lined up her own cock with the succubus sex-toy and thrust inside with all the strength she could muster, using her incredibly powerful legs to send massive ripples throughout the squishy, supple surface of the cat-shaped cocksleeve.

The two of them quickly settled into a rhythm of shower-shaking slaps and slams as they each gave it their all, pistoning their behemoth bitch-breakers into their toys as though trying to show just how much they would absolutely destroy the other if given the chance, and to say it turned them both on would have been an understatement. Over the thunderous, room-filling plaps that could be heard down the entire hall of the spa- not a particularly uncommon occurrence with Arri working there- their balls had shifted into overdrive, a symphony of sloshes, gurgles, and churns serenading the two as they filled up to capacity and beyond with dozens, even hundreds of gallons of ponderously potent seed. They were actually swelling with each passing minute, long since having reached the point of touching the floor; They pressed against their owners' legs as they burgeoned bigger and bigger with their liquid contents, eagerly awaiting their inevitable release.

Despite their incredibly rough pounding of their onahole selves, Lucy's magic seemed to have made their toys equally as durable, and they showed virtually no signs of wear or tear, even after several persistent hours of having six-foot horsecocks plowed in and out of them. Much like before, Lucy and Arri quickly lost track of time, and the rest of the evening passed in a blur of pure pleasure and the sloppy sounds of rough, steamy shower sex. The window outside was now completely dark; it had to be close to midnight, or some time before or after.

Lucy, in between her mewling moans of sexual bliss, took notice of the lateness of the hour and looked over at Arri. The bunny's balls, as well as her own, must have been twice as large as they were before they had started, the bottomless supply of sticky seed roiling noisily inside as a telltale sign that they were immensely, impossibly full. Lucy wasn't quite ready to cum just yet, they could definitely go bigger. Arri would no doubt agree with such a sentiment...

"Hey Arri, looks like we're getting pretty pent up, huh? How about we plan on unloading once the sun comes up?"

Arri was almost too busy plowing the fake pussy's pussy to notice Lucy's suggestion, merely giving her a hearty nod as several gallons of excess precum spurted out from the sides of the onahole's cavernous, cock-stuffed interior.

Content enough with her response, Lucy went back to thrusting, her balls now large enough that she could barely swing them back and forth with each powerful plap. As the hours ticked on, one after the other, they only got bigger, louder, and somehow more productive, ignoring such silly notions as being "full" and simply brewing up batch after batch of ball batter without end. By the time sunrise rolled around, and the familiar amber light of the sun shone through the small window, they had swelled to such a size that they rubbed up against the wall behind them, looking like colossal, cum-packed beanbags ready to burst at any second... And true to their agreement, they did exactly that.

Both Lucy and Arrieta careened towards their climax in a fraction of a second, their sheer willpower pretty much the only thing that had prevented an early ejaculation; They came in unison, letting out deafening moans of pure, undiluted lust as a veritable tsunami of thick, steaming spunk surged forth from their enormous equine endowments with the force and volume of a fire hydrant, and then some. They must have been half a foot wide at the very least, battering the abused interiors of their onaholes while they nonetheless stood firm against the deluge of cum. Neither girl had stopped thrusting, though, continuing to forcefully fuck their respective holes with just as much gusto as before while their bottomless balls unloaded as much of their backed-up contents as they could.

Unsurprisingly, Lucy's summoned sex-toys were built more for rough plapping than for oversized orgasms, something that was made clear as thick blasts of ball batter splattered out from their fake pussies as Arri and Lucy continued to effortlessly cum tens of gallons a second. Neither of them cared, though, even as their orgasmic output reached such a point that the several-dozen industrial drains on the bathroom floor failed pitifully to deal with the downpour... First an inch, then two, then three as a mix of bunny and succubus cum began to flood the room, submerging about half of their paws as they continued to cum nonstop.

Even with the impossibly large loads both girls were persistently pumping out, their balls didn't seem to be getting any smaller, nor did they seem to show any signs of slowing down, unlike their previous orgasm. In fact, even with their endlessly erupting equine erections, their colossal cumtanks actually seemed to be getting bigger, the force and size of their cumshots intensifying over time. This didn't deter them, though, as the giant gals just kept pounding away, reveling in the pure, prolonged orgasmic bliss as they could focus on little more than fucking and cumming.

A few minutes passed, and the room was now becoming dangerously full, the massive pool of cum actually reaching the hips of the twelve-foot-tall girls. The onaholes were now completely and utterly submerged in the steaming sea of spunk, and so were the real Arri and Lucy's cocks. Arri vividly remembered a few times she'd flooded this room to this point, but she'd never actually gone past waist-deep; She usually started to slow down, but with Lucy by her side still slamming away at her clone cocksleeve, she felt practically limitless, like she could go on forever. Perhaps if her better judgment still had a say in anything over her carnal, lustful desires, she would have figured to stop before it got too out of control, but she was way beyond that. Her entire body was utterly engulfed in pleasure and lust, feelings rushing through her that she couldn't remember ever experiencing before...

Suddenly, the surface of the ocean of cum in front of her was broken as the belly bulge of her onahole was thrust up much further than it ever had before. Arri gasped as she realized that her cock was actually growing, not unlike her balls, pushed to new and greater heights with the presence and guidance of the succubus beside her. It must have gained another full foot of length, surging to seven feet total and packing on a couple inches of girth, stretching out the feline fucktoy before her more than she could have ever imagined.

Neither girl could stop cumming, nor did they want to, of course; The surface of the cum was rising slowly at first, but it seemed that their balls were only getting more and more productive as it began to speed up, splashing past their navels and then quickly to the bottom of their breasts. It was incredibly warm and just as thick, every movement felt like they were trying to move through cake batter, but not even that stood a chance at breaking either girl's resolve as they just kept going. Their motions were so strong that the surface of the cum sea was being stirred up as though it was being battered by an intense storm; majestic waves and deep valleys of steaming spunk slapping against their shoulders and heads.

Eventually, it actually passed their shoulders and crept quickly up their necks, only their heads remaining afloat in the ocean of liquid orgasm. Arri couldn't help but feel somewhat apprehensive as it got closer and closer to her chin, but her uncertainty was suddenly shattered as a pair of soft, semen-soaked hands grabbed her head... Lucy turned Arri's face towards her own, thrusting forward and planting a huge, wet, sloppy kiss directly on her lips, squeezing her eyes tightly shut as Arri did the same... She didn't let go for what felt like minutes on end, but in reality, it was only for a few seconds. That was plenty long enough though; within their affectionate embrace, Lucy muttered a spell to herself, and both her body and Arri's shone brightly with the effects of her magic...

Bloop.

Their kiss had sent both of their massive cocks into a frenzy, the largest cumshot either of them had pumped out the entire day blasting forth. It was so much that the sea of cum almost instantly engulfed their entire heads, rushing past their mouths, noses, eyes and ears and leaving them completely subsumed in the sticky, steamy substance of their own creation.

Arri felt surprisingly comfortable; She quickly realized, with closed eyes, that Lucy must have cast a spell on the two of them to allow them to breathe underneath the immense lake of cum. She was only able to register her relief for a moment before a wave of pure lust surged through her body, and Lucy's; The feeling of their own blissfully warm, thick, potent seed across every inch of her being was too much to bear, and immediately, she felt an intense heat burst forth in her loins. In unison, both hyper-hung girls gained an extra two feet of length to their already magnificent members, now a massive, impossibly large nine feet long. Their respective onaholes were starting to feel the strain of their oversized occupants, barely holding up against the sheer size and girth of the prodigious pillars stuffed inside of them. If they weren't completely engulfed in ejaculate, they would have seen their balls bloating even more, plumping up by another half of their already immense size. The deafening, room-shaking churns and gurgles of the colossal cumtanks could be heard even through ten or so feet of accumulated spunk, and they were rumbling with such force and weight that it felt as though an earthquake had hit the entire spa building.

Even though there was still about ten feet of the room yet to be filled above the pair, their now even more hyperproductive balls and equally enormous cocks meant that it certainly wouldn't last. In a matter of minutes, they put out enough to fill up virtually every inch of free space inside the room, thousands upon thousands of gallons of their mixed liquid love pressing against their bodies as they still showed no signs of stopping.

Later...

"This takes quite a while, doesn't it?"

Lucy and Arrieta sat side-by-side on a large, custom-built bench on the side of the shower room, looking out over the ocean of cum before them. No longer agitated by their frenzied fucking, it had calmed down for the most part, small ripples or waves forming on the surface whenever either of them moved. Though the warm water of the shower had long since been turned off, the room was nonetheless incredibly hot and steamy, every inch of space not filled with cum instead filled with a heavy musk so potent it could be seen visibly wafting off of the sea of spunk. It was now merely at chest-level, just about halfway down their breasts as the two girls chatted the time away. Arri poked her paw around on the bottom of the room, trying to touch one of the overstressed, underequipped drains.

"Yeah, it's never had to drain quite this much. Shouldn't take too much longer... hopefully."

Since they couldn't actually leave the room with so much cum blocking the door, Arri and Lucy had instead been waiting for the dozens of drains to deal with it instead. It had been a solid day at this point; The woefully ineffective pipes below the room had taken twenty-four hours to deal with about an hour or so of the two girls' output, and it certainly would have taken much longer if they had continued to cum at the same rate. Though, truthfully, neither girl had ever actually stopped.

After a little while, Lucy figured that it was a good idea to settle down, and conjured up two smooth, sizable strings of urethral beads, which had been slipped into both girls' mammoth, nine-foot-long horsecocks, giving the sensitive insides of their immense erections a sensual massage and stemming their endless orgasm for as long as they kept them inside. They were still completely erect, so tall that their flares actually passed either girls' heads by a solid few feet. Their balls were still magnificently massive, easily six feet across and still sloshing and churning with freshly-produced loads; It had taken a lot of restraint to resist pulling the beads out and going to town on each other once more, but they weren't quite sure if they wanted to wait even longer to leave the room.

Without much else to do, they were left to admire their twin towering pillars of pure, concentrated virility, giving each others' erections slow, affectionate strokes. Lucy had been particularly admiring Arri, showering her with kisses and lewd, sloppy licks of her sensitive shaft.

"Y'know, I'm quite impressed. Mortals don't usually have such... generous growth spurts around me, usually it's just a couple inches. You, on the other hand..."

She interrupted her own sentence by snaking her long, sloppy tongue out of her mouth and wrapping it gently around the entire gargantuan girth of Arri's colossal bunny breeder-cock, leaving behind a trail of sticky saliva as it gave a powerful pulse.

"...You're quite the special case, really~"

Arri blushed bright red, and shortly after, both girls felt the entire room start to shake slightly. The surface of the ocean of cum below them trembled and quaked, little waves forming from a few feet under Arri's chest as her titanic spunk-tanks, deep below, rumbled up a couple hundred more gallons of bunny batter. Encouraged by her partner's surge in productivity, Lucy's own pair followed suit, and the previously calm waters of the room began to quickly turn turbulent...

"So, I take it you're ready for round 5?"

"Of course~"

Before they could do anything, a lewd SPLORT filled the room as both strings of urethral beads were shot out from their cocks, the pent-up pressure within too much for them to bear... Their loud moans echoed throughout the shower room before being drowned out by the sounds of their oversized orgasms, their monstrous horsecocks immediately pumping out mighty loads one after the other once more...