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             Fluttershy's Sanctuary Expansion              
                        -by ArDee-                         
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                     An Ultra Arrival                      
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Author's Note
Something a little different! Going back to my roots here a little by sprinkling some Pokemon into my ponyfic-writing, hopefully y'all enjoy! :twilightsmile: https://static.fimfiction.net/images/emoticons/twilightsmile.png
[ Fluttershy X Solgaleo ]
https://camo.fimfiction.net/95TFw-YuFMNY62sAR_KhCY-A_IH6qZjW89KDmTpEPY8?url=https%3A%2F%2Farchives.bulbagarden.net%2Fmedia%2Fupload%2Fthumb%2F8%2F8c%2F0791Solgaleo.png%2F600px-0791Solgaleo.png
An Ultra Arrival
A frantic pounding on Fluttershy's door, accompanied by a cacophony of excited chittering, quickly rose the animal caretaker from her slumber. Bolting out of her bed and skipping the stairs entirely as she took flight towards her front door, the mare took a moment to clear the sleep from her eyes before hurriedly opening the door to greet her eager visitor.
“Oh - yawnnn - my! What’s got you so excited this early in the morning, Sandy?” The mare asked the little tree-squirrel that’d been making so much fuss at her door. Sandy replied with a worried-sounding sequence of squirrel noises that made Fluttershy’s eyes widen in shocked surprise. “A...p-p-portal? In the sanctuary?” The mare gulped as the squirrel nodded frantically in reply. “...Oh dear.” She whispered, expression hardening in worry and concern.
It was, indeed, a portal. Though not one that Fluttershy had seen the like of before - and that was saying something, considering she was friends with a draconequus, a species with a penchant for merry inter-dimensional flights of fancy.
As much as it reminded her of Discord...this didn’t look anything like her friend’s typical work. It had the appearance of a hole torn into the sky itself; cracks spiderwebbing impossibly through open air as the yawning, glowing mouth of the portal shimmered in the sky above her. Its core emanated a blindingly-bright bluish-purple sheen, and Fluttershy swore she could see a grid etched into the warped surface of the portal itself, stretching back all the way into the bright nothingness of its core. It looked like one of Twilight’s crazier experimental drawings about teleportation come to life, complete with reference lines!
Fluttershy trembled as her eyes remained locked on the blinding abyss, its core crackling and pulsing as something made its way through the portal. Her animals gathered around her in a defensive formation, ready to defend their caretaker from whatever extradimensional horror was about to make its way to Equus - even though they’d surely be hopelessly outmatched by it.
A lion’s roar, echoing as if from a great distance away, emanated from the bizarre portal. It caused many of the smaller animals gathered around her to falter and stagger backwards, but Fluttershy recognized its uneven tone for what it was - the sound of a creature in pain!
Her eyes boggled out of her head as the portal’s diameter surged greatly, expanding for whatever was passing through it. The air around the portal twisted and released a deafening thunderclap as its traveler completed their journey, and an immense white-and-gold quadrupedal shape plowed a furrow into the ground in front of the portal at breakneck speed, kicking up a cloud of dust and large clumps of grass as it came to rest. The portal behind it remained open but showed no signs of further activity, though it had shrunk back to its normal size after the massive alien’s crash-landing.
“Oh my goodness! Oh, I hope it’s okay!” Fluttershy wailed, immediately heading towards the injured being’s side despite the loud protestations of her protective animal friends. As the dust cleared, the portal-beast’s extraterrestrial origin immediately became apparent. A massive mane of pure white, filigreed in sparkling gold and decorated with shimmering sunstones, encircled its face, which was equally as enchanting and otherworldly to behold.
The inside of its face, if it could even be called a face, reflected back a shimmering night sky which had a bizarre three-dimensional effect. It made her head hurt just to look at it, though it did remind her of Luna’s mane. Although...where the Princess of the Night’s hair was soft and silky, the gaseous sky within the beast’s face was sealed behind its strange, glassy exterior. A pair of blue crescents floated within that dizzying face, which Fluttershy guessed were its closed eyes based on the fact that they didn’t seem to be moving amidst their flowing surroundings. The mare was more than thankful for its state of unconsciousness - she was so bedazzled by its strange features that staring at it so openly while it was conscious would’ve been rude!
Its stocky legs were clearly very powerful, and the sparkling white metal that adorned them was beautifully sculpted to accommodate its dense musculature. Its tail, in contrast to its mane, was quite nondescript, with a black-and-gold teardrop shape on its end. Its black underbelly appeared to be much softer than the rest of its hard metal exterior, but as Fluttershy rubbed a curious forehoof against it, its texture felt just as strange and artificial as the rest of it looked - a smooth, slick hide that had a little give to it, but grabbed at the surface of her hoof with a squeak as she moved it across - clearly some sort of rubber. It seemed like extradimensional portal-beast belly rubs were not going to happen anytime soon, as it wasn’t a particularly pleasant feeling.
As the dust fully cleared, Fluttershy found herself in awe - it was one of the largest quadrupeds she had ever seen, short of an adult hydra! Around three ponies tall and almost four ponies long, the top of its metallic mane would’ve been at Celestia’s eye-level even in its resting state. Speaking of Celestia, the beast’s white-and-gold color scheme and the sunstones in its mane starkly reminded her of the elder ex-Princess, as well as the immense heat radiating off of its exterior...evidently, its travel through the portal had built up quite a bit of friction.
Unbidden, Fluttershy’s eyes drifted further and further along its underside, taking in the beast’s new and exciting features...until, with a fierce blush, she came upon a feature that excited her in other ways: A rubbery sheath nearly as big around as her barrel, accompanied by a pair of immense balls that were easily each as big as her head. A thrill of taboo arousal tickled its way up her spine, her body still not quite cooled-down from a particularly enjoyable dream she’d been having before she was woken up…
“O-oh…” The pegasus huffed breathlessly. Heated swells of excitement roiled through her body the longer she gazed at the beast’s gifted endowment, the shy mare failing to hold back a blush as she continued to stare, hypnotized by the sight of her newest animal friend’s sizeable equipment and the thoughts of what exciting features that huge, burgeoning sheath might contain...
Fluttershy choked back a startled yelp as the steel lion quickly began to rise from his prone position, shaking off his unconsciousness as his imposing, maned head scanned the unfamiliar surroundings. His huge, muscular body nearly eclipsed the rising sun behind him, casting a lion-shaped shadow over the pegasus that had her shuddering - though whether it was from fear or arousal, she wasn’t quite sure.
‘This does not appear to be Alola…’ Fluttershy had her latest scare of the day as a regal, moisteningly masculine voice echoed in her head, sounding like some male counterpart of Celestia with the way he clearly and smoothly enunciated every word. A faint meep squeezed past her lips as a trickle of her own arousal traced its way down her hind leg, tickling its way down as it matted her fur.
Her eyes widened in fear as she saw the lion’s strange countenance snap its attention downward, focused entirely on her shamefully aroused, shivering, and comparatively minuscule form. ‘Hmm...that does not look like any Ponyta I’ve ever seen before…’ He muttered in a directionless mental broadcast, still leaving his telepathy undirected as he mulled over his situation. His head tilted quizzically as his eye roamed around her shuddering form, and he seemed to consider his words for a moment before continuing. ‘Hail, little Pokemon! Might I ask what region this is?’
Fluttershy’s head spun, her frazzled morning-brain still coming to grips with the idea of a huge metal lion popping out of a portal in her backyard before she could even consider the idea of it telepathing to her. “Uh...umm…I don’t...eeep...”
If the being had eyebrows, they certainly would’ve raised in response. ‘A regional variant of Ponyta capable of human speech? Curiouser and curiouser…though my presence appears to intimidate her. I must remedy this if I hope to gain any information,’ He mused. ‘There is no need to fear. Though I may look imposing, I do not harm those who have not done something to deserve it first.’ He uttered calmly, and his pose seemed to relax as Fluttershy’s shivering lessened in intensity.
“H-hello, Mister, umm, sun lion? It’s a p-p-pleasure to meat - meet you!” Her buttery-smooth timbre was like sweet honey to Solgaleo’s ears; it rivaled his beloved trainer Lillie’s voice in its lovely, calming tone. “I don’t really know what you mean by region, Mr. Lion...this is the country of Equestria on the planet Equus, if that helps?”
Though he did not vocalize it, her strange visitor was still visibly alarmed at the news that he was in such an unfamiliar place. ‘Equestria, hmm? Well, I must say I’ve not heard of it before -- but it certainly must be a lovely place, to be home to such a beautiful not-Ponyta mare as yourself!’
Fluttershy could’ve died on the spot. Under more normal circumstances, she would’ve! But this was looking increasingly like a first-contact scenario, and this lion’s hopes for peaceful relations with Equestria would probably not fare very well if she were to die of fright at the site of his entrance into Equus! “O-oh! W-well, I don’t know…” Grinding a forehoof against the ground, a cherry-red blush roared across Fluttershy’s face as she hid in her mane, barely able to resist collapsing in a heap at the lion’s three-hoof-wide feet.
An amused chuckle, real rather than telepathic, rumbled from her visitor’s immense lungs as he bent down and nuzzled his sleek snout into her mane, familiarizing himself with her scent - she would be his envoy in this new world, that much he was sure of. Her faint, floral scent was a further reminder of his trainer, a porcelain-skinned, blonde, dainty vision of loveliness that he had not seen for months - too caught up in his universal roaming and justice-keeping to regularly visit Alola. She would be safe even without him - her brother and that powerful beast-killer chimera of his would always see to that, even as much as that thing’s existence disturbed him - but he could not help the twinge of wistfulness that tugged at his heart from the diminutive pegasus’s scent.
The swelling he felt from his loins was an uncomfortable reminder of the physical attention that he so adored Lillie for, but he tamped this emotion down as best he could. As he pulled away from her mane, a thought struck him. ‘How very rude of me - I’ve not even given my name or asked for yours. My species are known as Solgaleo, but you may address me as Nebula.’
“Oh, it’s a pleasure to meet you, Mr. Nebula...my name is Fluttershy.” She smiled up at the lion, her fear significantly lessening from his politeness. A glance downward between his legs brought her fear and arousal right back, though, as the barbed tip of Nebula’s hardening, cherry-red length was beginning to creep out from the opening of his heavy sheath. It was as frighteningly massive as the rest of him in comparison to her own stature, and despite the impossible size difference between them, it drove Fluttershy’s deep-seated taboo desires wild. “Y-you...umm...mmmph…”
‘What seems to be the...oh, dear.’ Nebula trailed off, realizing just where Fluttershy was looking - and it certainly wasn’t at his face. The thick, cloying scent that the Solgaleo now realized was seeping from the shy pegasus’s hindquarters didn’t make his budding, monstrously huge erection any easier to quell, and he could soon feel the cool morning air gusting over his very base as his erection throbbed angrily below him. Gouts of pre flowed unbidden from his narrow tip, barbs flexing outward with each hot-blooded pulse. Whether his mind wanted it or not, his body was increasingly the one calling the shots now - his sharp nose had smelled a receptive female, and that was all the motivation that his sex-starved, travel-weary body had needed. ‘Fluttershy, I...I daren’t ask such a thing of you...but it has been so very long since I have had any relief. I am much larger than you, this is true...but we Pokemon are known for making the impossible much less so…if you would be willing to indulge me, I promise I shall make it something neither of us shall soon forget.’’
Crashing down onto his hindquarters with enough force to shake the ground around him, Nebula purred pleadingly as his thick length throbbed beneath him, resting heavily on the grass before Fluttershy’s stunned, lust-drunk eyes.
“Gosh, where should I even start…? This f-f-fluffing thing is half as big as my body…” The demure pegasus pondered, but as she laid eyes upon that steaming, pearly river wasting itself on the forest floor, her question quickly answered itself. Cautiously bending down, she couldn’t help but shudder from the wave of heat and musk that assaulted her senses like a tsunami battering a coastline, crashing effortlessly through her mental defenses. Desire surged within her, and so in a single heart-stopping moment of impulse, Fluttershy pressed her mouth to his tip.
If the aura of heat it exuded was significant, then the sheer scorching feel of his tip against her lips and tongue was like touching the surface of a star. The allure of his steaming-hot pre prevented her from pulling away, though, both from her selfishly heat-fuelled desire to please the sex-starved metal lion and from her innate equine craving for all things salty.
‘Yes, Fluttershy...that’s good…’ He reassured, his regal timbre massaging her mind into a state of compliant bliss - not that she needed any further coercing. ‘You can take me as deep as you’d like,’ A growling grunt interrupted his telepathy as his hips awkwardly jerked, searching for deeper purchase inside the warm maw massaging his tip.
Going along with his encouragement, Fluttershy tested her limits, assuming she’d barely be able to fit his first few inches in her mouth before the harsh reality of her throat’s diameter stopped any further progress. Her eyes, then, understandably widened in shock as she felt him practically glide past her lips, pushing her throat to its utmost capacity - but still, impossibly, fitting. The sleek rubber of his undercarriage crept closer and closer in Fluttershy’s vision as she felt herself starting to overheat from the branding-iron breeding rod impaling her as if she were Nebula’s personal sex toy. His barbs scraped past every inch of her as they went, overwhelming her to the point of an eye-rolling, red-faced, barely-conscious mess as her brain struggled to even comprehend her situation or the flood of stimuli she was receiving.
Her body shuddered and seized in a state of perpetual orgasm, eyes wild and unfocused as they rolled in their sockets; all that she could taste and smell and see and feel was now him. The heat of his erection was so intense and all-consuming that she feared she might melt from the inside out, but that existential fear only drove her ecstasy to greater heights. ‘Yes, Fluttershy! Take all of me!’ Nebula yowled in her head, his once-regal demeanor giving way to his baser nature - a huffing, primal, rampaging beast of lust and power.
Fluttershy’s lips met the edge of his rubbery sheath at last, his heavy balls smashed into her chin like twin meteors, and then, as Solgaleo let out a triumphant, climactic roar that made every cell in her body vibrate from the intensity...he released.
The sleek metal of his armor began to glow a molten, incandescent yellow as she felt the heat of his release surging down her overworked throat, and she could feel herself beginning to fill rapidly from the sheer magnitude of his relentless load. She felt the stretched, sparse fur of her tummy grazing against grass beneath her, seeming to reach its limit as his last few gouts of seed - small for him, but still immense for her - splattered from around the cock impaling her maw.
Though barely conscious now, Fluttershy could still plainly hear Nebula’s heavy, greedy gasps for air above her, the molten glow of his armor cooling back down as she felt him settle down on top of her. His bulk pressed her to the forest floor more comfortably than she might’ve expected given his exterior, and she relished the feeling of contented dominance he seemed to radiate as his last dregs spilled down her throat, barbs flexing rhythmically with each meaty pulse.
'Mmh, my dear, I'm flattered you would entertain my baser urges so readily...but there is more that my body needs from yours for me to be truly...sated. I have not lain with a mate in so very long...so I am positively bursting, and with nary a place to release it...' A full-body shudder, accompanied by an involuntary churrling growl, rolled through his immense frame as he stood imperiously above her. His barbed tip was released from her cushioned oral grasp with a distinct pop, hanging heavily from his underside as it continued to pulse angrily with need before her eyes. 'I fear there is only one way that my burden can be lifted.'
An indistinct, magic-like force took hold of Fluttershy's lust-stricken, suggestible form, shifting her into the face-down ass-up position of her earliest, most primal ancestors - a position that prized maximum breeding efficiency above all else. This was, with little doubt, a position for only the most intimate of lifelong lovers; and yet here she was, spreading her hindlegs for a giant space lion like some sort of xenophilic trollop, practically begging to bear his undoubtedly monstrous offspring!
...And she'd be damned if that thought didn't have her winking up a storm. Thoughts of how frighteningly large he seemed as he stood above her, back arching in an attempt to find his smaller target, were driven from her mind the moment his firm tip batted against her winking clitty, a violent spasm of pure sensation that sent her eyes rolling into the back of her head in the first (of what were sure to be many) orgasms of the day. All her body knew was that the one above her was a predator, that that someone was male, and that she should submit if she wanted to survive the encounter. Not that Nebby seemed the type to ever deliberately harm her, let alone eat her - but her body could not know the difference.
The aura of lustful inferno he exuded had utterly enveloped her, reddening her face in a fiery blush as coherent thoughts burnt out in a flurry of cinders. His barbed tip, a scalding branding-iron of bestial lust, practically sizzled as it parted her hopelessly-soaked folds - but she felt no pain from it, only yet another eye-rolling, body-quaking, glorious release.
Her second of the day, and he'd only put the tip in. By the Gods, what had she gotten herself into?
Her eyes rolled in their sockets as Nebby's immense, impossible length spread her lips wide, each layer of barbs popping deliciously into her depths as those fleshy prominences ground against her walls, grinding against her plump, reddened, heart-shaped clit before sinking in to stimulate every single bit of her interior at once. It would've been immensely painful if it weren't for whatever insane biology allowed him to even enter her at all, which ensured that all she felt was leg-quaking, all-consuming, molten-hot ecstasy with each glorious, virile inch that skewered her.
The waves of pleasure that drowned her brain in a slurry of endorphins ceased to have meaningful peaks, merging into an unrelenting tsunami of mind-melting nirvana that made her pupils go heart-shaped as she stared off into space.
His vast, pitch-black nuts brushed against the backs of her legs as Nebby shoved himself inexorably deeper, her lightweight pegasine build beginning to lift free of the earth, wholly unaided by flight as her forehooves scrabbled for purchase against the loose dirt beneath her. Her broad, downy wings flapped fitfully against Nebby's underside as she reflexively attempted to keep herself grounded, though those involuntary movements quickly lost coordination and strength as his barbs dug into her flooded passage in defiance. Gravity be damned - he would not be going anywhere other than deeper, if that gloriously equipped cock of his had anything to say about it.
As his cocktip finally, mercifully wedged itself into her deepest barrier, Fluttershy gave a strangled squeak as a gush of marecum splattered against Nebby's weighty balls, thick strands of her flowery essence marking him as hers as his barbs began to stiffen inside her.
That settled it. If she was going to mark his masculinity with her climax, then he would stake his rightful claim upon every part of her. He would breed the ever-loving Arceus out of her supple, welcoming pony womb.
"RRRAGH!" His unearthly, leonine roar echoed deafeningly across the clearing as the water vapor in the air began to hiss and steam against his increasingly incandescent body. It was a roar of dominance; of royalty; of subjugation. An announcement to all Equestria that he had just claimed this lovely mare as a mate, and that any impotent, lesser male who dared to challenge his claim of her would be met with the harshest of retributions. 'Tighter, even, than her...I cannot...control myself any longer, dear Fluttershy. I must settle my burdens within your welcoming flesh!'
His hips sped to a blur as he vigorously humped his tapered tip past the very beginnings of her impossible-to-breach cervical passage, glowing like the sun as he felt the familiar energy of his signature move beginning to build within him.
'Sunsteel...STRIKE!' He roared mentally as he slammed himself home one final time, a corona of fire bursting outward from him that should've caused her unbearable agony - and yet passed over her like the comforting warmth of a fireplace. The lion giving her the dicking-down of her life shook and trembled above her as his barbs hardened to near-metallic stiffness against her walls, sending her to what felt like a higher plane of existence as his superheated seed gushed into her like a hose of liquid fire. It pooled deep within her, settling heavy and warm in her belly as she felt her midsection rapidly begin to bloat from the sheer quantity of his release - but that, unbelievably, wasn't all. An odd, firm pressure against her lower lips caused her uncomprehending, glassy-eyed gaze to shift upwards to the point of their union, and what she saw sent a fresh thrill of deviant anticipation rattling up her spine, once her muddled mind managed to make the realization.
Nebby's glorious, virile, studly length wasn't just the most incredible thing she'd ever taken into her body. It was also an ovipositor.
This glorious metal lion reproduced like a changeling, of all things! Scholarly questions of how and why disappeared from her thoughts almost as quickly as they arrived, subsumed into the raging, roiling, boiling torrent of lust both figuratively and literally swirling inside her as the first of what was sure to be many elliptical, firm, tennis-ball-sized lumps pushed past her outer lips. Each one had the added side effect of stretching her depths deliriously wide as each ovate mass that passed into her sent those meaty barbs of his pressing outward in a spine-tingling, undulating wave.
A string of orgasms gushed from her folds unbidden with each egg that wormed its way through her cervix and settled itself into her cum-bloated innermost sanctum, a sense of motherly, nurturing calm precluding any thoughts of panic or fear as she gently caressed her bulging, increasingly lumpy-looking tummy. If this was what "Poe-kay-mon" were capable of, she would gleefully serve as a conduit for their mind-shattering sexual prowess to spread far and wide across Equestria, ponies' initial resistance to the idea of being rutted into a stupor (as if anypony could resist such a thing) be damned!
After a prolonged, utterly blissful moment, Nebby's relentless orgasm finally, mercifully abated. As Fluttershy whimpered from the loss of stimulation at the lack of eggs rhythmically stretching her wide (the number of which she'd long since lost count of), Nebby's softening barbs allowed her upraised lower half to slip off of his length with a loud, messy shplorp, a sizeable portion of his heavy, voluminous load geysering from her depths without his massive length to keep it corked inside her.
Panting heavily, cradling her gravid, egg-swollen gut with both forehooves, her reddened countenance locked eyes with Nebby's stellar-faced, adoring gaze as the two of them rested for a moment, neither really knowing what to say to the other.
After a moment's consideration, Nebby flopped down to lay beside her as he encircled the smaller pony's body with his own vast, metallic warmth, running his vast, pebbly tongue across the bulging tummy he was solely responsible for as the mare giggled ticklishly. The still-hot seed deep within her gradually dulled to a comfortable, ever-present warmth, the clunking and shifting of his prodigious clutch undulating within her depths whenever she moved; a fresh thrill of arousal blindsided her whenever one of his eggs hit a sensitive spot within her, ensuring that even without sheathing himself inside her, he'd still be able to drive her wild...even when he had to leave her world and return to his own...
Nebby, being telepathic, sensed the source of her melancholy as he licked her across the face, covering her blushing, surprised countenance in his warm saliva. 'Fret not, fair Fluttershy. I shall not forget the great kindness you have done for me this day, nor shall I forget the beautiful world you inhabit. Why, my reception has been so welcoming that I might invite others from my world into your care...if that is something you would accommodate, of course.'
He scarcely even had to ponder her response, as within moments of asking, she responded with a wholehearted "Yes!". As if realizing her overenthusiasm, she quickly corrected herself as she hid part of her face behind her gorgeous, pastel-pink waves of mane. "U-umm...yes. I'd like that very much, Nebby."
'Excellent. So it is settled, then.' Glancing down at her heavily pregnant form, the fruits of his labors, he paused for a moment before continuing, 'Although I suspect you will need to enlist the help of others as well as yourself, if you plan on pleasuring every 'mon that comes through in the same way as you did for me...' He trailed off, chuckling mentally as he beheld the fierce blush on his new mate's face.
"Well...I do know a few ponies who might be willing to, umm, help your friends, Nebby. I'll have to ask them if they'd be okay with it, because it is a big commitment..." Glancing down to her belly, Nebby noted the way she nervously chewed her lip.
'Fret not at your glorious gravidity, Fluttershy. Pokemon pregnancies...work quite a bit differently than what you may be familiar with. Although the young of rare species such as mine have a fairly long development period, the vast majority of it is spent outside of its mother in its egg, like that of any other 'mon.' Nebby explained.
"Oh, that's wonderful...I really do need to keep caring for the animals, and I can't really do that if I'm, well..." She trailed off, blushing heavily as she averted her eyes from her...lover? Mate? What were they, really? "...I'll have to get a lot more reptile hatchery lamps to take care of this many eggs, though..." She muttered to herself, her thoughts already drifting to the logistics of her new predicament - one that, whether she knew it at the time or not, many mares would end up encountering.
Sighing heavily as he got up from his prone position, Solgaleo shook his mane as his tail flicked absently. 'It sounds as if you have things well in...erm, hoof, dear Fluttershy. As much as it pains me, I must take my leave. Duty calls, you understand...though I assure you, I will be visiting you to check on how things are going whenever I get the chance to.' Curtsying awkwardly to her, he turned to the spot that he'd entered her world from earlier that day as his body began to glow an incandescent yellow.
"Goodbye, Nebby! I won't forget you!" Fluttershy called, tears welling in her eyes at the thought of him leaving so soon after his arrival. Alas, if his role as a protector of multiple realms really was so important, she had no right to keep him shackled to hers and hers alone...
'Farewell, Fluttershy! I shan't forget you either, this I promise as a Protector of the Realms!' He telepathed back to her. And, with an earth-rumbling upward bound, his body alit like a star as that flaming ball of heat and power broke through the fabric of her reality with a sound like shattering glass.
Moments after his disappearance through the yawning, blinding core of that grid-lined wormhole, it disappeared with a twist as reality itself seemed to shudder before her eyes.
As Fluttershy struggled to get up from her prone position, the animals that had gone into hiding nearby began to reemerge from the wilderness, gathering around her in a circle of comfort as they investigated the gravid, pronounced bulge of Fluttershy's stomach. Finding the weight pinning her down to be too much for her to overcome, she flopped heavily back to the ground with a tired exhale. "Oh, hello, everyone...you're going to be getting some new friends in the sanctuary soon, I think..." She greeted them, softly as ever, as she ran a hoof through the sparsely stretched, egg-distended fur of her belly.
The semicircle of forest critters basking in her newfound motherly radiance was interrupted as the circle parted to admit Harry the Bear, who gently picked her up in his arms as he carefully carried her back to the Sanctuary's main building.
One thing was for sure...her friends were going to have a lot of questions once they saw her like this...

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                         The Alpha                         
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Author's Note
https://camo.fimfiction.net/dk7B41KAit4HvbBaUG95Haumny5aVGB4WoGUinaAGeE?url=https%3A%2F%2Fassets.pokemon.com%2Fassets%2Fcms2%2Fimg%2Fpokedex%2Ffull%2F059.png
https://camo.fimfiction.net/GBz0-4pUh1u3TRN15QJcymUsngABFphhsO38iDYVdrg?url=https%3A%2F%2Fimages-wixmp-ed30a86b8c4ca887773594c2.wixmp.com%2Ff%2F0a51ba98-e2e2-418f-a11f-49984658c711%2Fdbhxnkq-31387a69-d3e1-4bf3-a629-687289b6dbcb.png%2Fv1%2Ffill%2Fw_1024%2Ch_1369%2Cstrp%2Fweary_doctor_fauna_by_cloudyglow_dbhxnkq-fullview.png%3Ftoken%3DeyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1cm46YXBwOjdlMGQxODg5ODIyNjQzNzNhNWYwZDQxNWVhMGQyNmUwIiwiaXNzIjoidXJuOmFwcDo3ZTBkMTg4OTgyMjY0MzczYTVmMGQ0MTVlYTBkMjZlMCIsIm9iaiI6W1t7ImhlaWdodCI6Ijw9MTM2OSIsInBhdGgiOiJcL2ZcLzBhNTFiYTk4LWUyZTItNDE4Zi1hMTFmLTQ5OTg0NjU4YzcxMVwvZGJoeG5rcS0zMTM4N2E2OS1kM2UxLTRiZjMtYTYyOS02ODcyODliNmRiY2IucG5nIiwid2lkdGgiOiI8PTEwMjQifV1dLCJhdWQiOlsidXJuOnNlcnZpY2U6aW1hZ2Uub3BlcmF0aW9ucyJdfQ.D3NSHvx8lLhQiJZ9UWWwQFKtur3xkpso1RoaOQkQ0SM
[ Arcanine x Doctor Fauna ]
So uhh...this might be...a little much for some of you. I enjoyed writing it, but I sort of went off the "horny deep end," so to speak.
Contains feral domination, dubcon "until they like it", size difference, (painless) impossible fit, knotting, cum inflation, pred/prey, kind-of pet play, belly riding, exhibitionism, impregnation, and gross misrepresentations and misapplications of veterinary medicine. You've been warned.
The Alpha
When Doctor Fauna had first heard of Fluttershy's strange new visitors, she could scarcely believe it. Even for Ponyville, the idea of a friendly interdimensional beast traveling into their world by pure happenstance seemed absurd.
And yet, faced with what she was seeing...she couldn't deny the truth of what Fluttershy had said any longer.
Part of it was certainly that firm, matronly swell to the mare's midsection, visibly distended by several irregular bumps that could only be eggs. It was a scenario not unlike the raunchiest of erotica that could be found in Equestria's seedier bookstores: a visitor from another realm depositing its clutch deep inside an unwitting⁠—or, even more scandalously, willing⁠— mare, serving as the vector to an extraterrestrial invasion.
Some mares were probably into that sort of thing. Fauna? Not so much.
From the way that Fluttershy described "Nebby," it, at least, seemed as if the visitor's actions were benevolent...So there was some small comfort to be had there. It also helped that Doctor Fauna was not nearly as predisposed to hysterical panic as the rest of Ponyville's citizens, a trait that had saved her oats more than once.
One could pardon her for being a bit incredulous then, when a massive fluffy, orange canine standing at least twice her height, radiating power and heat, followed Fluttershy into the lobby of her humble veterinary clinic.
Fauna stared at him wide-eyed, legs trembling in an innate, instinctual sort of fear as his charcoal irises appraised her. She was so distracted by his sheer presence that she only barely heard what Fluttershy was saying through the rush of blood thumping in her ears...
"I just don't know what's gotten into him, Doctor!" Fluttershy bemoaned, brushing her hoof against one of his immense, pillar-like orange forelegs. "He keeps being aggressive to the other sanctuary critters whenever they get close to me and sniffing at my belly whenever I go over to fill his food bowl. I try to discipline him, but he just ignores any orders I try to give him! Ever since he arrived, he's been utterly incorrigible."
As the Arcanine grumbled something under its breath, Fluttershy whirled on him. "Don't 'you sound like my mother' me, mister! Just because you're big, it doesn't mean you can just go around doing whatever you please!"
He answered with a short huff, and then barking exhales that sounded somewhat like laughter. Fauna didn't have to be an animal whisperer like Fluttershy to understand that he'd essentially said, ‘Doesn't it?’
"I still don't know what 'badges' have to do with anything..." Fluttershy groused in response, puffing out her cheeks. She gave an exasperated huff as she turned back to the vet, addressing her directly. "Sigh. Do you see what I mean? Arcanine doesn't take me seriously at all."
Eyes wide, brain still trying to process the situation she was in, Fauna nodded. "Well, yes, I certainly can. But…” She hesitated, “Fluttershy, you're the one with the power to talk to animals, dear. What do you expect a little old mare like me to do?" The crow's feet beneath her eyes wrinkled as she gave Fluttershy a confused look.
"Well...I was hoping your special talent could help, regardless. Vets have their own way with animals, after all."
The doctor hummed to herself, unsure, as she looked over the sheer scale of the canine. He really looked even bigger indoors than out — His head was nearly brushing the ceiling of her establishment and his bulky paws were large enough to pin her to the floor with barely any effort. That second part made her especially nervous.
"I—I...well, I suppose I could give it a try..." Fauna muttered noncommittally.
"Pleeease?" Fluttershy pleaded, using her puppy-dog eyes. That simply wasn't fair!
"Gah, a-alright, yes, I'll give him a little looking-over.” Fauna chastened. “But any property damage he causes is coming out of your bit bag, Fluttershy." She finished, finally relenting to the other mare's overpowering cuteness.
"Oh, you will?” Clopping her forehooves in an adorably eager manner, Fluttershy nodded happily to herself. “Oh, thank you, Doctor, thank you!” She added gratefully, “With everything that's been going on recently, I've just been so swamped with work to take care of any more animals."
Glancing skeptically at Fluttershy's swollen midsection, Fauna quirked an eyebrow. "Mmhmm...work. What kind of 'work' involves that, dear?"
"ThekindwhereIreallyneedtogookaysorrythankyoubye!" Fluttershy blurted out so quickly that Fauna barely even understood them as she bolted out the door with impressive speed for a gravid, shy pegasus, slamming shut harshly enough to make both Fauna and the huge canine flinch.
After a moment of deafening, awkward silence, the two beings looked at one another. Standing this close to him, Fauna had to tip her head back to an almost painful angle just to look up at his face, a trait that sent a trill of fear racing down her spine.
She had worked with large predators before, but only ever those with a temperament that had been smoothed by Fluttershy's kindness. She received no such impression from this beast, who radiated a sense of power, presence, and arrogance merely by standing there. It made her feel unworthy, as if she were amongst a living legend that transcended mere celebrity.
"...W-well, then… I suppose we should get started," Fauna stuttered as her composure wavered, “Follow me, if you'd please, uh...sir." She instructed, feeling less sure of herself with every passing moment.
Walking in front of the immense canine, she blushed as she felt his coal-gray, predatory eyes lock onto her labcoat-clad hindquarters. She kept in mind what Fluttershy had said to him earlier; despite her fear, it sparked kindling embers of some strange desire within her. If he had a penchant for taking what he wanted from smaller creatures, and harbored some sort of ill intent for her, then—without a unicorn's magical endowments or a pegasus's keen evasiveness—she would be utterly at his mercy.
In all of her years as a veterinarian, she had certainly never felt this strangely invigorating discomfit around any of her other patients; as far as she knew, she only had eyes for stallions. It was fitting, in some way, though -- this immense, otherworldly creature's gaze burned bright with intelligence and intent, and the aura of heat that radiated off of him in shimmering waves made her worry that he had some sort of feverish ailment.
The heat that sloughed off of him surged into focus once the two of them entered her exam room, and she shuffled with discomfort as a frothy line of sweat built up around her collar and beneath her labcoat. It was the middle of winter, yet this oversized canine was making it a record-breaking summer inside the room.
He plonked onto his rear as the door closed behind him, shaking the floor and rattling the windows as he did so. "Goodness gracious, you're a big one, aren't you?" Fauna muttered under her breath, trotting over to the cabinets that arrayed the far wall as she retrieved her examination supplies.
A clipboard, flashlight, leash, and collar were laid across the countertop in short order. Though her own procedure called for the leash and collar, she tsked to herself as she realized her folly--this big boy was nowhere near the size of one of her normal canine patients. Such a paltry strip of cloth would do little, if anything, to control him, and would more than likely end up with her being dragged around like a puppet.
She chose to forego both of those tools and instead gripped her flashlight in her forehoof as she reached up to his jawline.
Even in a sitting position, Fauna found that she had to climb up onto her examination table just to bring his head within reach, and he eyed her suspiciously as she did so. "Please don't fret, mister Arcanine. This is a routine part of all of my examinations--I just need to make sure you don't have any dental issues that I or Fluttershy should worry about."
Rolling his eyes, the Arcanine opened his mouth wide for her, having been through the same song and dance more than once in his home universe. His chompers were impressive indeed, more comparable in size to an Ursa Minor's teeth than a canine's, and it once again reminded her how thankful she was that he was an intelligent and relatively civil being rather than a feral, pony-eating monster.
Finding nothing wrong with his teeth or gums, Fauna turned her attention elsewhere, clicking off the flashlight and setting it aside as she ran her hooves through his fur, feeling for any odd lumps or imperfections.
Flushed with heat from staying so close to him, the vet shrugged off her doctor's coat onto the examination table as she brought her stethoscope up to his chest.
"Breathe in and out for me, please." The thump-thumps of his immense heartbeat pounded in her head like a timpani, making it hard to keep track of her own thoughts as that regular, steady rhythm nearly hypnotized her, making her eyes slide closed as she focused--perhaps too strongly--on listening.
His uncomfortable shuffling beneath her stethoscope broke her from her trance, reminding her of where she was and what she'd been doing. "S-sorry, sweetie. I think I got lost in thought for a moment there," She said apologetically, patting him on the chest as she pulled away. "Your ticker's fine and dandy, not that I'm surprised. A big guy like you's gotta have a strong heart to keep everything moving, I bet."
A flash of pink from his lower half brought her eyes downward. Her eyes widened in shock once she realized what she was looking at; Arcanine's black missile stood tall and proud above his heavy black orbs, both of which hung heavily beneath him from the sheer heft of their contents.
His ‘ticker’ really was good at moving blood. ‘Sweet Celestia, it’s so…s-so…mmmmh…’ She utterly failed to stop the crashing wave of horniness that overtook her thoughts at the sight of his vast endowment. The heat in the room only amplified the effect of his potent masculinity on her psyche, with a giddy delirium brought on by a mix of outer and inner heat.
Even though Fauna found herself stunned into inaction by the sight, the boisterous ‘legendary’ didn’t hesitate to make his desires known immediately.
Before she even knew what was happening, the unstoppable weight of his paw pressed down on her back, pinning her to the exam table while the bold canine shifted his position above her. She had no idea what he might’ve been planning, but her attempt at a vocal protest trailed off into a whimper when his veiny, coal-black length filled her vision. Now, at least, she could certainly take a guess as to where this was headed, and at least some part of her was taking a liking to the idea...
Her marehood winked hungrily as depraved thoughts flashed in her mind unbidden; lascivious ideas of how he might ruin her for stallions and turn her into his knot-addicted pony-pet, playing into her most deep-seated and long-suppressed fetishes...the likes of which she'd never shared with anypony for fear of driving them away or being barred from her profession.
The idea of being her partner's sex toy, a slave to their hedonistic whims, a pet to be used up and laid aside whenever her master was bored of her...it sent hot, tingling fire racing through her veins. It was raw, primal, and invigorating, and the idea that a male could desire a mare as old as her so fiercely was really starting to get her motor running.
The heat that had permeated the room was even more intense underneath him, with undertones of a spicy, indescribable scent that made her eyes lid and insides flutter, despite herself. Whatever else she was about to try and say fizzled out of her thoughts as her eyes went wide, focusing on the source of that aromatic warmth.
Coal-black, lightly furred, and visibly heavy with seed, the Arcanine's needy, churning orbs demanded her attention, and much like the canine himself, weren't taking 'no' for an answer. Each of them was larger than anything Fauna had ever observed before, as large as buckballs but far heavier due to their densely-packed contents...and Fauna couldn't bring herself to take her eyes off of them.
Any remaining pretenses of veterinary medicine disappeared in an instant, and Fauna, no longer able to resist the carnal temptation, buried her muzzle in his immense, sweaty sack, applying her oral expertise to those churning cumtanks.
As her tongue dragged along his furry nuts, sampling his exotic flavors, her clit winked hard, making her entire rear half clench rigidly for a moment as a mini-orgasm rumbled through her. His taste was divine, unlike anything she had experienced before, and it was driving her body wild with uncontrollable, lustful hunger that was already rapidly spiraling out of her control.
She felt as much as heard his eager, impassioned growl reverberate to her core through his wanton flesh, and the palpable aura of his carnal desire crashed over her like a wave in its wake. His immense virility hung over her like a specter, weighing down her head with its bulk as it throbbed and twitched in her mane, leaking a constant river of pre that warmed and tingled her scalp...
Not long after her worship of his orbs began, he pulled away, dragging his length through her mane until its tip fell into view before her. It left behind a streak of pre across her face, and its finely-honed tip booped her nose as it passed and left a gush of his essence all over her face, making her unable to avoid taking in more of his heady scent if she wanted to continue breathing.
It was all so much more than any stallion she'd ever lain with--those thick, gooey streaks across her face simply stank of his sheer virility, overflowing with more swimmers than even the studliest stallion's actual release could hope to match.
"Mmh...I bet they didn't send you to Equestria because you were abused, did they?" Fauna asked breathlessly, cradling each of his swollen orbs in her hooves with utter reverence as she eyed his throbbing length and smooth, veiny knot with swooning, lust-drunken eyes. "They sent you away because you couldn't stop breeding everything you saw with this fat. bucking. doggie. cock~!" She accentuated her accusation with wanton smooches and slurps of his thin tip, teasing out more spurts of his steaming-hot preseed that coated her tongue in salt and spice.
His eager, grumbling growls shook her like an earthquake as she worshipped every inch of his loins, a river of spit and preseed running down her front in a steaming cascade. Her heart thundered in her chest like a marching drum as his scent and taste made her mind fog over, any sense of rational thought overcome by the desire to have him ravage her like the alpha he was.
And he certainly wasn't about to waste any time fulfilling her desires!
He loved fucking the small, slutty ones the most. They were tight enough to milk him like a vice, sensitive enough to cum from every thrust, and stretchy enough to take him to the knot and whimper for more while they were cumming their brains out.
This one was clearly no exception, from the way she was eagerly nursing his pulsing, spaded tip. No female could resist his musk, and he damn well knew it. Every steamy, huffing breath she took, every brain-tingling splatter she eagerly swallowed, brought her another step closer to the brink of complete devotion.
Fully wrapping her lips around his tip, her eyes rolled into the back of her head as his hips jerked forward, filling her throat to bulging with only the first few inches of his vast endowment. But he had plenty more inches to give her, as he eagerly made known with each ponderous thrust of his hips, plunging deeper and deeper into the rippling tunnel of her throat. Her lips teased the edges of his knot, beckoning her to take him all the way to the sheath, despite the fact that such a thing would have killed her without the Pokemon's...unique breeding characteristics allowing the impossible.
To a passing observer, the bulge in Fauna's throat would have looked whorishly ludicrous. Nearly reaching her belly due to the Arcanine's unbelievable size, he pistoned into her throat with all the care of an alpha stud using a breeding mount--which was all that she was to him, now. A place to relieve his massive, burdensome loads, to stuff his throbbing knot into until his heavy black nuts clenched hard enough to slap her chin, to stake his claim and declare his ownership of her with his glorious cock filling her to bursting.
Fauna was too far gone to even recognize this--her vision had been reduced to nothing but his dark-furred underbelly and the coal-black, spit- and seed-slickened knot that kissed her stretched-out lips with each throat-bulging, bone-rattling, mind-blanking thrust.
Her mature body flushed and shuddered with heat as his fire-type genetics filled her with near-scalding warmth, making her loins clench and flex and gush in time with his heartbeat. Her every need synced up to his...
She met each of his thrusts with one of her own, groaning and moaning as her resolve to swallow him all the way to the knot was sorely tested. She needed his cum...she was about to go crazy if she couldn't feel his furry nuts flexing against her throat with each great gush of his seed into her belly...
She hadn't noticed, but each of his thrusts was steadily pushing her further and further across the floor of the exam room, leaving behind a messy, splattered trail of pressed, spittle, and her own gushing loins as he throatfucked her all the way across the room. His thrusts finally, mercifully found some purchase as her head butted up against the side of the exam table...
Which was all the support he needed to finally, mercifully, knot the everloving fuck out of his mare's gloriously talented throat.
She was little more than a toy in his domineering grasp, her every groan, moan, and whimper adding more fuel to the raging, sweltering inferno of his bottomless lusts. Those sounds crescendoed as the first thrust of his knot, then the second, then the third squished against her lips with increasing force, until finally, mercifully...
SHLLLK--POP.
"MMmmMMmmaaaauuuhhh...!" Came Fauna's inarticulate orgasmic groan from around his ponderous, cheek-bulging tie, his pre coming in thicker, milkier splatters past her lips as his orgasm rapidly neared from the added stimulation of her maw caressing his sensitive knot. Visible waves of heat roiled off of his form as he snorted flickering embers of fire, beginning to lose control of himself as his thoughts tunneled in on bringing himself to completion.
"So f-fucking tight. I'm going to flood this greedy bitch..." With his knot buried in her throat and every inch being caressed by her eager, slavering gob, it was impossible to hold back the inferno of passion in his chest any longer.
With a triumphant, window-rattling howl of ecstasy, Arcanine used Eruption.
A hot jet of heat burst from his jaws like a Flamethrower, scorching the ceiling above them dark black as any nearby papers carbonized from the heat -- yet, mercifully, not setting the entire building alight...
The ominous rumbling Fauna felt against her chin from his gigantic nuts built into an earthquake as they rumbled against her. She felt that dense cumvein pulsing and bulging against her tongue as the flow of pre began to strengthen, before finally, mercifully, his first massive, steaming gout of seed scalded her throat.
Fauna's eyes rolled into the back of her head as her mind collapsed under his assault, orgiastic tremors rattling her entire body as her marehood gushed like waves crashing in a flood.
It was like nothing she had ever experienced before, putting any of her past stallion partners to shame with enthusiasm. With any luck, it would be only the first mind-altering experience he'd be putting her through today. The very thought of him reshaping her quivering, disused marehood to fit his massive doggie dick had her winking against air and moaning around his cock like a common street whorse...and yet that only made her crave him more.
Every hot, throat-stretching pulse of seed that blasted into her belly...every churlish growl he gave as his pointed tip blasted a fresh wave of seed past her slutty lips and down her fiercely-milking throat...the way her eyelids fluttered as her nostrils overflowed with his dense, thick, sizzling load...
It was the hottest blowjob she'd ever experienced, figuratively and literally. All she could taste… was him. All she could smell…was him. All she could think about…was him.
She couldn't wait for the main event any longer. He had to claim her before she went feral from lust.
At that moment, she knew she was forever his.
Gooey strands of his seed were forced out around the tight seal his knot made in her eager maw, utterly coating her front as it stained her lab coat.
Even with the unique flexibility that his otherworldly Pokemon biology afforded her, Fauna still found it difficult to try and pop his fat knot out of her maw when he was at full hardness. Tugging against him as she was also milked even more brain-fogging bursts of his seed down her gullet, making her pause and shudder whenever he did so. As good as he tasted, though, she had to press on -- becoming his eager cocksleeve would be infinitely more satisfying than just drinking the contents of those heaving, virile cumtanks of his.
Finally, with a huffing moan of effort around his steel-hard maleness, she pulled free with a sucking, shlorping pop of finality. His length gave a few errant spurts onto her face as that gorgeous spit- and cum-slickened pillar hung before her greedy eyes, and she wasted no time attacking his length eagerly with her tongue, cleaning off every last bit of their mixed release and replacing it with a generous helping of pony spit. It was going to need all the lube it could get, for where it was going...
Lavishing it with kisses, the vet made her beastly desires known. "Mwah...I need you to fuck me with this, master...shlllp...make me into your eager, horny breeding bitch! *Smack*. Destroy my tight pony pussy with your massive fucking alien doggy dick and--mmh--fill me with as many puppies as you can~! OH!"
No sooner did those crass, hedonistic words leave her lips than he was upon her, lifting her front half onto the exam table and letting her rear half dangle precariously off the side, at just the right hole-wrecking height for his immense rocket to prod her gushing marelips.
This flurry of motion left Fauna's head spinning, still trapped in the musky haze of his arousal -- and now pinned beneath him where she was utterly at his mercy to do as he pleased. She was only barely able to breathe thanks to the weight of his huge paw on her front half, which also kept her stuck on top of the table...and she wouldn't have had it any other way!
Her dock twitched against Arcanine's belly, causing her tail to brush against his length with teasing, needy allure. Her hindhooves kicked uselessly at the air as they dangled off the edge of the exam table, and she could feel the heat of his prodigious length as it twitched and pulsed into the silky strands of her tail, splattering great gouts of his steaming-hot pressed into her tail and fur.
There was no doubt about it...he was properly mounting her, now! Like she was a real bitch in heat!
Gods above, was his size mind-bogglingly apparent pressed into her like this, though. His tapered, cum-gushing tip slid into her with ease, but that quickly gave way to a terrifyingly thick blunted length that only got thicker as it reached his insane knot. But his biology easily won out, painlessly and exhilaratingly stretching her out like his own personal sex toy as her belly bulged dangerously, filled with nothing but his gigantic fucking cock.
Everything she thought she knew about breeding (because this was no simple act of sex -- this was a claim of exclusive breeding rights) was tossed out the window as she felt him fill every inch of her and then some. Her eyes crossed and rolled back into her head as something in her mind snapped all over again at this new revelation. This clearly wasn't some one-night stand for him, as with no other creatures like himself out there to relieve his urges, it made sense that he'd latch onto the first willing hole he found...
Why, he'd probably been sniffing Fluttershy's belly to guess at how far along she was so that he could fuck another round into her as soon as possible! Thank Celestia she'd saved her friend from such a fate, because now she was the first lucky mare to get fucked full of his puppies...
She hung limply beneath him like a puppet whose strings had been cut, her rear half supported by nothing but his almighty cock as it speared her depths like a warrior's pike.
Those heavy nuts of his churned as they squished her swollen, milk-leaking teats beneath their weight, dampening them with the first hints of a musk-induced estrus as her inner depths prepared to receive him. Parts of herself that hadn't been active in years awoke beneath his feral, domineering touch, and a youthful vigor filled her as her blood ran hot with a surge of long-dormant hormones.
Though she didn't know it, it was another magical aspect of Pokemon biology -- it didn't matter how old or well-used their mating partner was, they would not be denied fertile ground. How else could Pokemon breed for so many years without stopping?
She couldn't have known about any of this though -- and even if she had, it might only have driven her to further heights of arousal. She had, after all, long since given up on raising a foal in her advanced age, but she saw the animals she cared for as her children anyway...and, well, little could she have known...
"Take me like a bitch in heat, master~! Make me your hot little pony whore and buck me until I can't even walk! Impale me on your huge bucking cock and drag me out of here like a trophy!"
Her plump, stretched pussy kissed his knot right then, driving an orgasmic moan and a fresh squirt of marecum from the pressure of that hot, heavy, black bulb of flesh against her overstimulated, winking bud.
Each teasing twitch threatened to break her right then and there, every shudder and twitch of his gloriously huge cock made her eyes cross in ecstasy. Fauna was flattered that he was working so hard to fuck a middle-aged mare like her into the next century. Her baser instincts took pride that it was her making this godly stud huff and pant with exertion—his huge hips bucking into her trembling and rippling flanks like the beast that he was.
A dizzying rush of adrenaline filled her as her marehood stretched dangerously beneath the assault of his gigantic knot, those big coal-black balls of his slapping her underbelly with each bone-jarring hump into her.
The whimpering, whinnying spray of her next brain-blanking full-body maregasm heralded his next eager attempt to knot her. She could feel herself stretch, and stretch, and stretch, until...
With an impassioned huff and a hoof-curling scream, his knot slipped inside her with tremendous force. A veritable flood of her musky marecum painted his sheath and nuts in her deluge, given nowhere else to go by the sudden massive intrusion to her deepest reaches.
His firm pointed tip reached deep into her disused womb, which thrummed with activity from its first stimulation in years. The rest of his imperious length throbbed and twitched within her, making her ache deliciously as each throb stretched her cervical barrier painlessly thanks to his biology.
It was an utterly transcendent experience, the likes of which nopony, least of all an old mare like her, had received before. She already knew she'd become utterly addicted to servicing his godly cock after he was done with her, and that filled her mind with hedonistic images of what her life would be like now—maybe he'd carry her around with his cock while she tried to work, endlessly stretching and fucking and breeding her at every single opportunity?
What would other ponies think seeing her debased and degraded and reduced to such a whimpering, mindless mess of a mare? Would they be disgusted? Would they report her to the Crown? Or would they bite their lower lips, barely resisting the urge to get in on the action themselves?
As a prey species, ponies did have that instinctual need to follow whoever looked like they knew what they were doing...and she was certainly going to be very experienced in fucking herself on his rigid pillar of canine flesh!
Would they lick and huff and massage his sweltering sack, begging for him to fill his personal hole more as his knot popped in and out of her marehood? Or would they volunteer to be the next to fall before his carnal might, becoming his willing toys right then and there?
Each debaucherous idea made her loins tingle in anticipation...or perhaps that was all of the hot, thick preseed filling her belly now that he'd knotted her?
Speaking of, with his knot locked into her rippling depths, it was only a matter of time before he'd unleash his slimy, virile load into her. Fauna knew how canines worked in that regard, and it only made her more excited for what was coming.
It took minutes for canines to finish cumming once they knotted their bitch, to really ensure that they were knocking their bitch up with as many puppies as possible. That worked well in the wild, obviously, but with her at such a size disadvantage? He was going to pump her fuller than fuller with liters of his steaming-hot, virile load soon enough!
It scaroused her with how much that thought nearly had her begging for his load; that is if she hadn't already had the capability of speech fucked out of her by his immense knot.
She wouldn't have to wait long for it, of course. With how eagerly her depths begged for his release, it was a wonder he'd lasted this long...but he held back no longer.
His breaths grew heavier and deeper as his thrusts pummeled her womb into eager submissiveness, until, with a final, prideful, eardrum-rattling howl, he unleashed.
It was as if a hose of literal fire had been plugged directly into her womb. His first immense, torrential gush of scalding magma filled her up like a steaming, shuddering water balloon, clouds of musky steam rising from her stuffed hole as the sweat on his furry nuts and the slimy layer of her saliva evaporated off of him.
Pinned beneath him as she was, she could do naught but scream, shudder, and whimper into the exam table as he rutted her within an inch of her docile broodmare life.
Her womb hung heavy and full beneath her as it swelled and flushed deep red with barely-contained heat. The inner heat that his release filled her with warmed her like a sauna, and sweat quickly began cascading over her brow as she huffed, shuddered, and moaned in cross-eyed, delirious ecstasy.
The lightning storm of absolute pleasure that each buck of his hips filled her with had her quaking and writhing beneath him in no time at all, unable to do anything but cum as his massive load swelled within her. Despite being so close to her limit, her body was insistent in its demands, milking every last drop out of the panting Arcanine's heaving sack.
Splatters of his thick, steaming load gushed from her stuffed, knotted marehood with each twitching gush of his deliriously fat knot, driving the poor, overwrought vet closer and closer to insanity with each massive gush that filled her to overflowing.
Everything had happened so quickly once Arcanine entered her clinic -- his otherworldly size and demeanor had such incredible appeal, pushing buttons she hadn't even known she had. The way his threatening growls made her knees tremble as her marehood absolutely flooded itself...the way his molten-hot pillar of rigid flesh made every inch of her body flush with sweltering, delirium-inducing heat...the way the thickness of his knot popping past her lips made her cum like she'd never cum before...
There was no way she was going back to stallions after this. As if any stallion had even wanted to touch her for years, as fickle as those spry young colts could be about taking someone older than them...
Arcanine held no such reservations. To him, a greedy, shuddering hole was a greedy, shuddering hole.
His dense, coal-black nuts shuddered to a stop against her entrance, gently pulsing as the last remaining sprays of his essence -- still more than thick and heavy enough to effortlessly breed any female he desired -- overflowed out of her shuddering depths.
With a heavy, relieved huff, Arcanine fell still above her, content to keep her pinned to the exam table as he rode out the last of his orgasm buried as deep in her bulging tummy as he could reach.
Before long, though, he began to move. Fauna's hooves scraped dully against the table as she was dragged backward, the middle-aged mare unable to do anything but clench around his knot and moan fitfully as the odd, deep tugging sensation set her nerves alight anew.
She unceremoniously dropped to the floor beneath him as her upper body left the relative comfort of the table behind for the cool embrace of the exam room floor. The position was far from comfortable, aside from the huge black canine shaft still drooling its slimy, glorious warmth as deep into her as it could reach...
The jangle of a carabiner and the muted thump of cloth on the floor in front of her brought her hazy attention to just in front of her...
The open loop of the leash, with its handle gripped firmly between the Arcanine's imposing jaws, beckoned to her.
And, well...who was she to deny her place beneath her new master?
Fauna could no longer draw a line between the hot flush of humiliation and the sweltering rush of arousal.
Impaled as firmly on her stud's massive, dark shaft as she was, held aloft by nothing but the knot in her pussy and the leash around her neck...she wasn't sure she even cared about anything else anymore. The sea of orange-and-black fur and fluffy beige mane ensconced her like a warm, comforting blanket. She could do little but whimper and moan into his unending fluff as she buried her face in it, clinging to it like a rock in the turbulent ocean of lust as her tenuous grip on reality rode through it in the smallest possible boat.
That massive fucking cock of his was still delightfully virile, bloating her with his sweltering sperm as her tummy bulged up against his. Thick, gluey trails of his essence ran down her hindlegs and dripped a stark white trail behind them as she was paraded through Ponyville like his canine cocksock. An odd weight had settled in her stomach, aside from the dense, steamy loads she'd been stuffed with -- firm, oblong shapes jostled against one another deep within her, so numerous she could scarcely hope to count all of them in her fucked-stupid, lust-drunk state.
A blossoming realization hit her as Fluttershy's gravid, bulging state flashed into her memory - she was laden with his eggs, the latent offspring of his bizarre alien origins. It made no sense for a canine to reproduce like that, especially so rapidly, but she was hopeless to resist the quivering, eye-rolling, gushing full-body climax that this revelation hit her with. To have been bred so vigorously, so thoroughly, so effortlessly, was like an intoxicating euphoria to her aging femininity.
She had been married to her work for so long that she was wholly unprepared for when it would claim her. The thought of being the first licensed veterinarian on all of Equus to become laden with the offspring of an otherworldly animal...to care for and raise those very same young that might just be the next big thing in Equestrian veterinary medicine...
But those were concerns for another time. What mattered now, as another insistent buck into her already-stuffed depths reminded her, was to serve her Alpha...as an outlet for his needs, a dutiful broodmare to his offspring, and whatever else he might need of her.
He was huge, and he owned her. His superiority and prowess as a mate could never be denied. That was all she wanted to remember. All she needed to remember. All she could remember. The fleeting, transactional relationship between doctor and patient had lasted all of two minutes in the face of his incredible cock, and that was just fine by her. She had found her purpose in life.
She was practically doing Equestria a service by corralling this rampaging beast. Who knew how many ponies he'd have pinned down, knotted, and dragged off to his den by now otherwise?
...She found herself liking the idea of becoming his den-bitch...and of not being his only one. An alpha stud like him deserved a whole harem of eager females to serve his every whim. Her profession would make her exceptionally good at raising puppies, after all...