Hyper Underwater Femboy Inflation (Freebies Vol. 59)

Story by danath on SoFurry

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#35 of Archived Livestream Stories Pre-2018

Miles the otter decides to give Psi the femboy ferret a VERY thorough workout in the school's pool.


(Every now and then I run a livestream where I write free stories for people. avatar?user=98265&character=0&clevel=2 Psi Nei won this story and it also features MilesRose! Please note that the freebie livestream stories are written on the fly. There is little, if any, editing or proofreading done to them. They're just fun little stories off the cuff and are often pretty silly!)

Psi grinned as he slipped his tan thumb into the waistband of the tight pair of swim briefs. They hugged his hips nicely, the ferret thought, as he looked over his shoulder down towards his plush, thick backside. A long tail swept back and forth over the two ham-halves crammed into the bikini bottom, which was at least a size too small to hold such a thick rump. That, for the ferret, was precisely the point. In the front, things were even more ridiculous. The fabric squeezed around a thick tube, wide as the ferret's wrist. It was compacted down to about the length of a tall soda can, but pushed out and upwards, causing the bulge itself to rise above the waistband.

Under that nice bulge were two heavy spheres. The tight, stretchy fabric squeezed up between the brown- and tan-furred ferret's nuts, making each sphere distinct. They swayed as he moved his hips and he giggled to himself.

There was no one else in the locker room at the moment. He sniffed the air, double checking, but he was alone. All he could smell was the scent of chlorine, heavy in the air, from the adjoining pool. His short claws scratched on the cement floor as he walked through the swinging door into the pool area proper.

The university's swim program was still developing. Psi was one of only a handful of members. The ferret was on the dive team. When competing, he wore a special pair of briefs that did a slightly better job of hiding his attributes, though the slim male's oversized endowments were perpetually on display despite his efforts - not that he tried very hard.

Psi's face lit up with a bright smile when he saw another member of the team doing some backstrokes in the main pool area, which was split from the dive area by a string of red and white floating cables.

Miles was the swim team captain. He was an otter, a natural swimmer, and entered most competitions in the long-distance swim events. His stamina was well known, though Psi mostly learned about the otter's profound ability to last a long time outside of the pool.

The ferret's mouth dropped a bit as he watched Miles swim. The otter's fur was a deep shade of blue from head to toe, minus the white fur that spread over his chest, halfway down his sides, and ran into his groin, disappearing into a bright red bikini bottom similar to Psi's. Like the ferret as well, the otter was packing, though what he showed off put even the ferret to shame.

The otter didn't notice as Psi stared, continuing his lazy backstroke across the pool. The light from the large windows stretching from floor to ceiling on the other side of the pool area cast glancing beams of light across the water, making the otter's wet fur sparkle. He was well-toned, with nicely formed muscles similar to a runner. His wet fur showed off his defined chest and belly further, though what Psi mostly stared at was the otter's swimwear.

The red fabric strained to accommodate the otter's maleness. While most of his body was underwater or even with the liquid, a huge bulge stood prominently above the small, lapping waves. The bikini wrapped around a thick tube of flesh, fat as the otter's muscular thigh, and stretched up to just past his belly button. The water helped a pair of incredible balls float and bob, making them seem, incredibly, even larger than they really were. Each huge nut was as big as Psi's head. They shifted up and down hypnotically as the otter's leg's kicked under the water.

Miles's eyes flicked over towards the ferret and he stopped swimming, going upright to tread water. One arm lifted and waved towards the ferret.

"Psi! Hey!"

Turning onto his front, Miles swam forward, using his webbed fingers and toes to rapidly push himself through the water, often disappearing under for long moments at a time before surfacing briefly, demonstrating speed, strength, and breath control that left Psi more than a little jealous.

The otter swam up to the edge of the pool, grasped the lip, and hauled himself out in one smooth, practiced motion. Water cascaded from his blue fur as he stood in front of Psi, a smile on his long muzzle.

"In for practice?"

"You know it."

"I've just been warming up. Want me to watch your dives?"

"Sure."

The ferret grinned as he walked with Miles towards the diving section of the pool. The otter took a seat on the edge, letting his legs dangle in the water. His thighs spread around the massive bulge in his shorts; the otter's heavy balls draped halfways over the lip, dipping into the water as it lapped at the edge. He rested his arms on his thighs and leaned over to watch Psi climb up onto the ten-foot diving board. From his high perch, Psi couldn't help but notice the way Miles's incredibly full bikini bottom squeezed between his thighs and chest, flattening the oversized bulge somewhat.

"Gonna start simple!" the ferret called out. It was helpful to have someone watching the dives and critique any flaws in technique that he might otherwise miss.

He backed up to the edge of the board and stood up straight, both arms at his sides. His eyes narrowed and his brown ears went flat to the back of his head. A moment later, he took a step forward, then another. He ended with a bounce on the edge of the board that caused it to bend over substantially. The full bikini bottom jiggled madly as the board flung him into the air.

He flipped twice head over heels, tucking himself in with both legs straight, knees nearly touching his head. It was a tight fit - the sight of the sexy otter had caused his bulge to grow somewhat and squeezed between his thighs and chest so much his muzzle nearly pushed into it. He finished the second flip and rotated, ending up going into the water facing away from the diving board, arms above him flat and straight, followed by his legs and tail. The splash was minimal, considering the smack of water against his oversized package.

"Bravo!" Miles called out as the ferret surfaced.

Miles grinned. "Anything you saw wrong?"

"Nope. It looked good! You're going to do well at regionals."

Miles pulled himself up the ladder near the board and climbed back up. He prepared himself for another dive - the same one as before - and leapt off into the air. It was another solid dive. He knew it was good as he entered the water and turned around to surface. When he did, however, he realized the otter wasn't sitting on the edge of the pool anymore.

"Miles?"

A pair of paws suddenly grabbed his ankles and pulled him under the water. The ferret gasped, pulling in half a breath, before he went under. He opened his eyes and glared at Miles, who grinned at him unabashedly. The ferret surfaced quickly and gasped for air, but the otter took his time before popping up just behind Psi.

The ferret shivered automatically as he felt the otter's arms wrap around his middle, short claws stroking his tan belly fur as a familiar bulge shoved into his backside, just above the swell of his wide hips and rump.

"Your dives are fine, ferret," the otter said, his voice a raspy growl. "Let's practice your other form."

Psi shuddered as he felt the other male's incredible bulge slide against his lower back. It was throbbing warmly. The ferret's legs kicked rapidly as he tread the water with the otter.

"But... in the pool?" he gasped.

The otter churred in his ear and spun him around. Before he knew what was happening the blue male had him under the water again. Psi's eyes widened as he felt Miles's tongue push past his lips, insistently exploring the inside of his muzzle.

Water swirled around them, cool and refreshing, as they hugged together. Psi spread his legs, wrapping them around the otter, who easily kept them both on level with a series of powerful kicks. Psi felt the hot burn of a blush, even underwater, as their bulges pushed together, fighting for space between their hips. The otter's rump was much less developed than Psi's - more muscular, shaped, defined, not as broad and thick as the ferret's. Miles churred into the kiss, sending bubbles up to the surface as blue paws wrapped around the ferret's fleshy rump, digging in and squeezing hard.

Psi groaned and closed his eyes. His heart beat quickly, though whether it was excitement at the groping or lack of oxygen he couldn't tell. The otter's legs propelled them towards shallower water, under the floating barrier, and they surfaced where it was only six-foot deep.

They surfaced together, still kissing. One of Miles's paws ran up Psi's backside and curled into the dark brown hair plastered to the back of the ferret's head, keeping him in nice and close. Psi's nostrils flared as he inhaled raggedly, cheeks bulging as his tongue fought for space with the lusty, well-hung otter's.

Psi couldn't stop his paws even if he wanted to. They dived into the otter's bikini bottom, slipping past the waistband to wrap around the impressive white-furred sheath inside. The otter growled again, hips pushing forward, as Psi's paws sunk into the merely semi-hard length. It didn't take much to get the blue-furred male going and the otter groaned as inch after inch after inch of a thick, fat, heavily-veined black shaft pushed past the waistband of his shorts, quickly reaching up past his pecs. The water swirled around it nicely, cooling it down, though the male's lust was more than enough to compensate.

A blue paw groped again at Psi's rump, pulling him forward so that the huge length was pressed between their bellies and chests. Psi moaned as he felt the incredible tip, as thick around as his own head, press between his smooth pecs. His legs wrapped more tightly around Miles's hips as his own swimwear bulged obscenely. He wasn't packing as much at the otter, but he was still an impressively hung specimen.

They drifted towards the very shallow end of the pool where it was only four-feet deep. Psi felt the otter shove him up against the edge of the pool, muzzle still pressing in against him, unrelenting kiss continuing for what seemed like hours. Miles growled again, louder, as his cock throbbed between them, quickly growing hard, filling out to its full, titanic size.

Psi used his paws to pull the stretched bikini down from Miles's hips, releasing his enormous nuts. The ferret gasped as he pawed at them, groping and squeezing them roughly. The otter shuddered against him and broke the kiss, a cocky grin on his muzzle.

"Time for a really demanding practice session," he said, a low churr to his voice. "It's gonna be intense and hard, but I think you'll come out of it feeling better than ever."

"Don't I always?"

The otter grinned even more widely. He leaned forward, but instead of resuming the kiss, brushed his muzzle over the ferret's cheek tufts.

"Better take a deep breath," he said.

Psi felt paws on top of his head and did just that, inhaling deeply as the otter pushed him underwater. He closed his eyes as the male's incredibly large erection pressed forward, pinning him underwater against the cement wall of the pool. The tip was standing out of the water entirely, pulsing gently. Psi could feel drips on his ears, which were just above the water. The otter shoved forward, rubbing the huge black length over the shorter male's muzzle, chest, and belly, where his huge nuts dragged back and forth.

Psi put his paws and muzzle to work, kissing and licking as best he could along the slick length. The ferret's bulging bikini pushed up into the underside of Miles's heavy balls as his rump floated up into the water between the otter's legs. The huge length was warm, even under the water, as it throbbed against the ferret's body.

The ferret couldn't stand it any longer. His package ached with the need to be freed of its tight, stretchy prison. He yanked the cloth down, releasing his own very nicely sized cock. It reached up his belly to just under his nipples and, while not as thick as Miles's erection, was still quite the sight.

The otter's claws tickled between his ears as his heart beat loudly inside his head. He had to get a breath of air soon. His feet scrabbled on the floor of pool for purchase as he pushed himself up out of the water. The otter grinned and grabbed his cock, guiding the oversized tip towards the gasping ferret's muzzle.

Psi moaned as thick swelled of clear pre-cum drooled over the bridge of his short muzzle. The tip was so huge! There was no way he could fit it in his muzzle, so he contented himself with licking and kissing at the head between deep breaths of air. The scent of the otter's pre-cum filled his nostrils, even blocking the scent of chlorine, and his own pink shaft rose out of the water, reaching just halfway up the otter's erection.

Miles slid a paw lazily up and down Psi's maleness, making the ferret moan in a way the otter found incredibly wanton and cute. He leaned forward and nibbled on each of the smaller male's ears in turn as his paws explored the other male's backside one more time.

"Mmmm... showing good effort so far," the otter said. The ferret just moaned again, louder, and pushed his hips forward, head down, ears twitching under the otter's sharp white teeth.

"Time to see how well you've prepared."

Psi gasped as he felt the otter's paws grasp his hips and turn him around. His cock pushed against the wall, then pushed down, towards the bottom of the pool. His chest and belly squeezed against the cement as the massive black erection pressed into his body. The tip slid between his shoulder blades, slowly drawing down his body as the otter pulled back some.

Miles grinned as he sawed his immense erection between the ferret's cheeks, using his paws to squeeze the firm, plush rump together around his length. He moaned, enjoying the ferret's girthy figure, and pressed one paw into Psi's upper back, keeping him slightly bent over the lip of the pool.

It wasn't hard to maneuver underwater. The otter was a natural at it, after all, and soon Psi felt the massive tip prod under his tail, squeezing between the two fat halves of his oversized rump. Blue paws wrapped around his slim belly, above where his rump narrowed to his stomach, and pulled him down and back.

There was surprisingly little resistance as the flexible ferret stretched open. The shaft should have been too big. It should have ripped the slim, effeminate male right in two. But it didn't - instead, the ferret let out a guttural moan of passion, throwing his head back, as his belly stretched obscenely, wrapping around the tip of the otter's oversized erection. He reached back behind his head to grab at the back of Miles's neck, pulling the otter closer, until his chest pressed into Psi's back.

"That's it... we'll just do a few laps today, huh?"

The otter's suave suggestion made Psi blush all the more as he looked down at his stomach. He could feel every inch of that monstrous cock and it only made him harder. His own shaft ached, throbbing regularly, spurting pre-cum into the pool between his legs, almost at his ankles. It was still pointed down, forcing his massive nuts back behind his thighs, where Miles's own incredible sac squeezed forward.

The otter's thrusts were hard and deep, just the way the squirming, moaning ferret liked it. His belly bulged as huge spurts of pre-cum flooded his body, even causing his chest to fill out and expand eventually. The blue otter huffed and grunted as he pushed forward, grinding in deeper and deeper, spreading the thin male impossibly wide with his massive length.

Soon, the waves created by the otter's rocking motion spilled over the edge of the pool. Psi's gasps and squeaks and moans of pleasure echoed off the glass walls as the warm sun shone through, illuminating them quite clearly. Neither paid any attention to whether or not they'd be spotted. It was too late for those kinds of worries. Miles was more worried about cramming the hot ferret as full of otter cock as he possibly could.

Psi gurgled as he felt the shaft grind into him, stretching him almost like putty. His paws fell to his swollen stomach, clutching at his pelt as he felt the otter's erection shift inside, moving forward and back, filling him as nothing else could. Miles, for his part, grunted along with the ferret, eyes squeezed shut and paws clutching at the ferret's hips.

Psi cried out as he felt Miles thrust in especially deep. Water swirled around them as they moved back and forth; their heavy balls squeezed together every time, adding to the pleasure they both felt. Miles shifted his grip, moving his paws to the ferret's shoulders, and pulled him backwards, falling back as he did so, so that they both ended up under the water.

Psi squirmed and moaned as he felt his cock jerk upwards, eventually flying out of the water like some kind of giant fish. It flopped against the top of the water with a loud smack, though he couldn't hear it well as his head was completely submerged. The otter rolled over, pushing him underneath him in the water, and kicked his legs, using his own swimming power to drive his massive shaft into him again and again. Psi's arms spread in front of him, palms going flat to the floor of the pool, as air bubbles fled his muzzle and nostrils, involuntarily grunting moaning and crying out even underwater.

The otter didn't stop there. He pushed off the vertical wall behind them, causing them to move through the water and his erection to thrust in especially deep, to the point Psi was sure the male had hilted in him. He felt the cool water rushing around his head and tipped his muzzle back, despite the burning need for oxygen in his lungs.

Miles rotated again, flipping Psi out of the water for a moment. The ferret gasped for breath until he felt the huge shaft inside him pulse, then drag him sideways down again into the deeper end of the pool. The two swam together, leaving streaks and trails of floating pre-cum throughout the pool, until they ended up back in the diving section under the three-foot board.

Psi grabbed the edge of the pool with both paws as Miles lurched out of the water to grab at the board. The blue male hung from it easily as he thrust his hips back and forth, driving himself in and out of the squirming ferret. Psi couldn't believe how fat he felt at that moment - the otter's cock was stretching him in ways he was sure weren't possible. Keeping a grip on the edge of the pool with one paw, he ran his other down his chest to his belly, which was extended flat out as the otter's hips crushed into him again and again. Miles used his leverage well, pounding at the ferret's rump with rapid, deep thrusts now, unwilling and, frankly, unable to stop as his orgasm approached.

Psi's muzzle opened wide, though no noise escaped his throat as the otter came inside him. The faint glubs and blurbs echoed in the pool as huge quantities of thick, warm, white seed forced the ferret's belly to round out even further, until the sheer roundness of the tan figure hid the incredible length inside him completely. Psi's tongue lolled out of his muzzle as the warmth filled him utterly, blanking his mind to nothing but the pleasure. His cock erupted in the water beneath him, spraying out jets of cum. They swirled around for a few moments before filters pulled them towards the edge of the pool, leaving trails under the swirling water of thick white.

Miles barked and churred as he came. His arms tensed, then released the board. He wrapped them both around Psi's chest as he fell into the water, pulling the squirming male off the edge of the pool and under the water.

That's where Miles finished off. The now very buoyant ferret floated on his back, cock jerking, spraying cum into his chest and shoulders, as the otter kicked the water beneath, cock buried to the hilt inside the overstuffed male. They drifted through the water, with Miles surfacing only for the occasional breath as his balls continued the long, pleasurable process of emptying.

Miles pressed his palms into the sides of his belly. It was huge and round, like a beach ball. His chest and neck were swollen, even with the length of the maleness embedded inside him. Every now and then he burped or, when groaning, felt a little of the cum inside him work its way up his throat. He couldn't help the glazed, dazed feeling as the otter pumped him so full of seed it was coming out of everywhere: squeezing back out of his fat, extra jiggly bottom, out of his nostrils, and over his plump lips. He shuddered, cock draping over his swollen stomach, and relished the experience. After all, it wasn't often a male as hung as Miles went all out on his rump, and he intended to take advantage of swim practice every time he could.

Miles, for his part, simply enjoyed the squeezing warmth around his fat erection. The ferret was perpetually wriggling, squeezing, moving around him, and every moment sent a burst of pleasure and hot seed up the length to add to the mess.

The blue male lifted his head out of the water, panting hard, and gently nipped the ferret's ear. The groaning Psi shuddered as Miles wrapped his arms around his chest, squeezing him tight.

"Now that's a practice," he said. "We'll have to keep this training on schedule... I expect to see you here every day, you know."

"Wouldn't... miss it..."

Psi's tongue flopped out of his muzzle as more cum drizzled out over his lips. He was well and truly bloated; even his ass looked bigger and thicker than before. The otter beneath him churred again and thrust experimentally, causing him to shudder and twitch as another orgasm send streams of cum down his oversized stomach and into the water on all sides.

"Looks like I'm already good to start the second half of practice," Miles said. "I think this time I'll work on my freestyle."

Psi's deep, lustful groan was suddenly cut off as the otter rolled him over, pushing him beneath the water. They dived down deep, until Miles was crouching on the bottom of the pool with the ferret's legs spread over his. Both males clutched at the ferret's belly as the otter pushed off. His powerful thighs ground his erection into the ferret so deep that when they popped out of the water, Psi's cries echoed louder than ever before.

"Underwater squats!" the otter growled into Psi's twitching ears. "One down... fifty to go!"

The End