Sex on the Beach

Story by Gabriel Moon on SoFurry

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#132 of Commissions

A trio of men step on a strange substance that covers their bodies and convert them into horny shark-men!


"Damn, that's a nice breeze!" Gabe said, taking his boyfriend's hand now that they were away from prying eyes, The only one around was their buddy Colin, whose own love was unable to make the occasion. It was nice to have a beachfront to themselves, as best as they could see. Given the months of being cooped up, the trio were happy to be able to get out and enjoy the wonderful summer day, and maybe get some swimming in!

Though the beach seemed pristine, a closer inspection revealed that there was scattered litter here and there, enough that the three felt compelled to clean up. Those damn plastic wraps that strangled sealife were present in droves, promoted them to tear those up to prevent any additional harm to come to the animals. Cans and wrappers and junk were all collected, even though there was not a garbage can in sight and the three had to fill their backpacks with it. Cleaning the beach wasn't something that any of the men really considered doing before now, but there was something fulfilling in the work, providing a sensation of accomplishment and satisfaction.

Still, the summer sun was starting to beat down on them, even through the sunscreen the trio had generously applied "Alright, now can we go for a swim?" Gabe whined, Jason punching him on the shoulder gently.

"Just let me put my shirt in my bag, don't get too excited, you two!" Colin teased, taking off his shirt and walking back over to where they kept the bags.

As he did, Colin's foot stepped in something squishy and warm, making him moan out "Ah, yuck!" as he dreaded looking down. It was a gooey texture, making him nervous as to what it might be. Garbage he could wash away. Much worse, and more likely, was that it was some kind of a jellyfish, making him fear that its stingers might pierce his skin, giving him a bad reaction to the poison and ruin their trip with an unexpected hospital visit.

Looking down, it seemed to be some sort of orange fluid, slick without any greasy after effect on his foot. Though he couldn't immediately identify what it was, he was still nervous about reaching down to pull it off, not wanting to get it on his hands. Therefore, he opted to pull his leg out of it, walking over to the surf and washing it there. At least it didn't look like jelly, more like some sort of viscous petroleum rather than any garbage.

Yet, as he did so, the fluid seemed to stick to him, rising in the air as it dripped from his foot. Though, enough of it seemed to stay put, the heat increasing as though it was burrowing under the skin. Colin tried to shake it off his foot, but it wasn't coming off, no matter how desperately he tried.

"Hey, man-gross dude!" Jason said, walking over to get a better look at the stuff. Thinking he needed to breathe through his mouth, Jason was surprised that the substance didn't seem odorous in the slightest, or at least not over the salty breeze of the ocean waves.

Still, he was close enough that, to his shock, the remnants of the puddle seemed to move rapidly towards his own foot, the warmth of the ooze touching him before he had a chance to move away. He, too, tried to pull his leg up to try and escape the goo. But, shaking it a few times made no effort to get the substance off him, making him whine a little in disgust.

"Fuck, dude, what is this shit!?" Jason called out, still trying to shake it off without touching him. The color of the ooze rapidly changed an oily shade that completely contrasted the orange that was covering Colin's leg.

Gabe, not worried so much about keeping his hands clean, reached out to pull at the slick, seeing that it was firmly stuck to his boyfriend. Yet, the moment he touched it, the heat of the substance seeped into his hands, and the shade lightened to brown as it started peeling down the center like Playdough. Gabe tried in vain to shake it off, though it seemed that he had his own gooey coating on his hand, as stuck to his skin as were the other two men.

Meanwhile, the ooze covering Colin's foot seemed to encompass it completely, leaving a gooey mess where his foot once was. Still not wanting to get it on his hands, Colin looked down with shock as the goo seemed to swirl around on his foot before being pulled up his legs as though by some sort of invisible force. It soon covered his leg, moving up to his knees and burrowing into the skin. Instead of being stretched like he might have expected, it seemed to multiply in consistency and substance, enough to provide his legs with an even covering.

Setting his foot down, unable to balance, Colin was not expecting the goo to start spreading over his other foot. Soon, it was as though he was standing in a puddle, one that kept him rooted to the spot and scared for whatever it might mean for him. The goo seemed to reach up towards his other leg, spreading towards his shorts, which made him cry out his panic. Stranger still, the substance seemed to get into the skin, removing any leg hairs and scars and merging with his muscles, which were starting to heat up.

"Guys! It's spreading! Help!" Colin called out, wanting to shake his legs but feeling stuck.

"I can't! It's all over my hand!" Gabe cried out, feeling it ooze between his fingers and leaving nothing but a gooey mass as it started to move its way up his arm. Through the warmth that had spread into his fingers, Gabe was terrified to realize that he couldn't feel the individual digits anymore, as though the sensory inputs had been stripped from them. He was aware of the warmth of the goo but beyond that it was as though he had nothing left of his hands, making him panic, starting to hyperventilate in his efforts to try and come up with a solution to their current predicament.

"Guys, it's spreading!" Jason called out, the same thing happening to his feet as Colin's own. The goo seemed to have a mind of its own, running up his legs as whatever it was comprised of seemed to multiply to spread evenly over them. Passing his knees, it seemed to melt into the very flesh, burrowing into the muscle and causing it to swell to proportions that were beyond what he had ever seen on his legs.

"I can't get it off! I don't want this!" He called out again, looking to his friend and boyfriend with fear in his eyes, not knowing what the stuff was or why it was covering him, like some sort of sentient goo.

"I'm here honey!" Gabe called out, trying to comfort his boyfriend as best he could. Though there was little he could do to quell his own panic as the substance ran up his arm, burning into the skin as it played over his prized tattoo before slopping over his chest.

Yet, at the moment, Jason's focus was entirely on the sedimentation in his feet, as though the warm sticky goo was done reshaping them into something else, evidently inhuman. The material, glistening in the sun, was solid now, looking more like latex than the ooze that was still crawling up his body. But the shape of his foot was all wrong. All that remained were three clawed digits, a thin sheen of something that looked like webbing in between each of them. They weren't anything like his human feet, nor the feet of anything he had ever seen!

Colin's feet were starting to solidify as well, the same three claws forming out of the liquid latex as it hardened to look like some sort of shining skin. Only Colin's feet were orange, the same color as the goo that was spreading up his legs and encroaching over his shorts. Some sort of protrusion rose from his ankle as he pitched forward, the goo forcing his heel to stretch and providing him with a digitigrade stance from where once he once had walked on his entire foot. Black stripes were indented in the skin, muscles swelling as the goo seemed to soak into the skin and harden with a sheen that was unnatural in the mid-afternoon sun.

The same thing was happening to Gabe's hand, also being pulled taut by the latex-like goo. It seemed to sink into the skin of his fingers, leaving points where the nails once were and noticeably increasing the size of his hands. It was clear from the webbing that it left in its wake that he possessed a thick, five-fingered brown claw of some sort of sea creature.

Gabe wanted desperately to pull it off before the substance clung to him permanently, though there was little chance of his attempt working. He knew that any efforts would simply make it spread faster, and was intent on trying to think of something, anything to free himself from the prison of latex.

"Get it off me!" Gabe called out, unable to keep the fear out of his voice. He didn't want to be covered and converted into whatever the goo was turning him into. But there was nothing he could do as it continued to wrap up his arm, sinking in and forcing the muscles to swell well beyond what his frame could hope to meet.

"Make it stop!" Jason called out to no one, knowing full well that none of the others could help him but wanting release all the same.

"Fuck...why is it so warm?" Colin commented, seemingly less worried about the goo than the other men. It was a queer sort of curiosity, leaving him confused as to why it was increasing his muscle mass so much in such little time. He didn't even mind the fact that his feet looked more like flippers with the tone that his body was being granted. He could do without the latex goo, but...

All the while, strings of the goo were wrapping up his legs, coming off his body as though reaching up to take his groin and ass. Against his will, Colin could feel himself getting hard even before the warm fluid tore off his swim trunks, leaving him bare save the goo that still covered him. Despite himself, he pounded erect, the touch of the latex against his body warm and arousing. It was everything he could do not to reach down and start stroking himself off in front of his friends. Still, before he was too tempted to play with himself, the latex goo coated his groin, leaving nothing but a slick surface that kept his cock pulled against the skin.

The latex was spreading across him all the while, fusing with his buttocks and effectively sealing them. It oozed into his anus, getting inside his cavity and filling it with the warm, sticky cream. Connecting with his spine, the fluids seemed to hold fast, spreading out behind him as much as it was continuing to ride up his back.

Soon, the growth started to weigh heavily on his backside, getting longer and thicker and pushing his anus downward slightly to make room. Though the material seemed mostly fluid, the tips seemed to be forming curved crescents, the dorsal longer than the ventral as they peeled out from the growth. With the protrusion of a few extra fin-like structures along its sides, it seemed almost that Colin was growing some sort of tail, like the one of a fish, or a shark...

Jason was in the midst of trying to balance with his new digitigrade stance when the sensation of the goo stretched up through his shorts and tore them off as well. He blushed frantically, his erect cock hanging in the warm air. It was hardly the worst crowd to be aroused in front of. But, given the state of the latex over his body, it was hardly the sexy fun time that having an erection would be a suitable reaction to!

Much like Colin before him, the latex started to play over his ass, sliding into his butthole like a dildo of sorts. It made him moan and his cock leak before the latex spread over it, covering his erection in a warm blanket and giving him relief from the embarrassment. His spine started to extend from his backside, pushing into the visage of a piscine tail that matched the one that Colin sported perfectly. With the crescent-shaped spines and the additional fins that adorned it, it seemed as clear as day that Jason, too, now possessed a grey-skinned shark's tail, accented by light blue stripes.

Jason, even through his horror at the possession of such a thing, felt the connections that he assumed would allow him to move the appendage. Squeezing the muscle just slightly, Jason nearly jumped with fright as it started to flick side to side, as motile as his arm or leg, like it was part of him. Seeing it twitch, Colin, too, tried to move his own, reaching down with his hands to touch the skin, not caring about spreading it faster knowing that it was already quickly moving up his back.

Meanwhile, the fluid latex was moving down Gabe's chest, burning into his pecs and forcing them to flatten and swell with muscle the like of which could have never have persisted on his form. His arms had already increased in diameter, as though the latex now made up the tissues and had expanded his biceps, triceps, and deltoids. As the latex covered his chest, the embarrassing fat that Gabe sported melted away, forming the tone of a six-pack that excited Gabe to the core. The skin was white, a contrast to the brown with dark blue stripes that coated his arm.

Already moving to his other arm, it, too, touched the back of his shorts, burning them away and leaving Gabe naked. As with his friend and boyfriend, Gabe pounded painfully erect, though his groin was soon covered with the liquid latex that, for now, entrapped his cock. It moved down his ass, and Gabe gasped at the force of the fluid cleaning out his rectum, coating the insides, and opening him up in a way that he had never experienced. Before long, it had seeped into his backside, fusing with his spine and extending out into a tail the likes of which any shark would envy.

Meanwhile, Jason was experiencing the same thing coming up over his chest, the gooish latex sinking into his belly and forcing it into a level of tone that he did not think he could manage on his body. The temptation to tug it off was almost all-consuming, though, in a desperate bid to hold onto his humanity, he didn't want to touch it and spread it faster. It was thus forced into a creamy white shade, giving him well-defined abs, protruding pecs, and tone along his sides beyond anything that he could have ever achieved through his own efforts. It would have been fetching had he not obviously been turning into some sort of shark creature!

The latex was wrapping its way up his back now, burrowing into his skin and growing a curved protrusion that looked almost like a dorsal fin, the same greyish black shade as on his legs. It was obvious by its presence, as much as it was by their piscine tails, that they were becoming some sort of latex shark-men, though how the blueprint was imbedded into the latex was anyone's guess. Still, there was no denying what was happening to them as it raced to its obvious conclusion.

"No, I don't want this!" Jason called out again as the latex spilled onto his arms, building him up as it seemed to run down to ooze between his fingers. They were soon enveloped by latex, looking like mittens as they settled over his fingers and formed the ends into sharp claws with thin traces of webbing on the insides of them. They looked like the finned digits of an aquatic creature, not the human hands that he wanted to see!

Yet, nothing he could do could stop it from rising up his chest, coming up to his neck, and threatening to engulf his face. It was going to take everything from him, and nothing he could do would stop it! Even taking his now changed digits to pull at it did nothing; where the latex had solidified, it seemed as much a part of his skin as his former dermis was.

All the while, the liquid latex was spreading down Gabe's legs, pooling over his feet and getting in between his toes. Feet changed as, he, too, tried to pull it off, raising his legs to step it over it. He didn't want to lose his toes, but there was nothing he could do to prevent the damned liquid latex from pooling onto the skin. Soon. the goo pulled taut to force his feet into a digitigrade position, leaving only three toes per foot where once were five.

All the while, the latex moved to cover Gabe's back in a brown slick coat, forcing a dorsal fin from his spine as it had with his friend and boyfriend. He reached back to touch it, not caring about spreading the latex at this juncture and unsure that he actually possessed such a thing. It was surreal that they could be changing like this, the fear almost overridden by the awe that they were all being remade into something else by the will of the latex. Something easily aroused, if the sensations in his groin were any indication.

Perhaps more so than the two lovers, Colin seemed to be excited by the latex that was covering his chest now, the warm goo giving him a layer of muscle that defied human limitations. He rubbed the skin, not caring that it was spreading to his hands as he encouraged the substance to speed faster over his form. It burned pleasantly into his skin, bulking up his chest and pecs with a level of tone the envy of most men. The creamy white sharkskin, perhaps he could do without. But the rest of the muscle was sculpted perfection as it started to play over his forearms, sending them swelling double and triple beyond their former confines. Soon. each of his hands was coated in latex, pulled around his fingers so he possessed sets of claws with webbing in between. Somehow, they were even more sensitive to the texture of the latex than his human ones had been, Colin loving the slick warmth his skin now possessed.

Jason, meanwhile, was trying to hold his breath as the latex spread up around his face, covering his cheeks, his head, and even his mouth and nose. He struggled to breathe, but the latex seeped into every hole, every space, filling his ears, his nostrils, and even his mouth. Jason tried to open it, but it was as though his mouth had been fused shut, and no amount of struggling could release it.

"Mrrpppphhh, MRRRR!" Jason tried to call out, but the latex goo had his mouth sealed shut, and it was impossible to push it open. No matter how much he struggled, it was as though he no longer had a mouth to open, nostrils to breathe through, or even eyes to see with!

Yet, Jason was still able to breathe somehow, as though the latex was keeping him alive. He could tell that it was pushing his face outward, his former nose fusing with his mouth into the beginnings of a pointed snout. His skull was more sloped, more streamlined, though the alterations weren't having an effect on his mind, as best as he could tell. It was a small reprieve, however, as his neck thickened, and slits formed along the sides.

Eventually, tears formed in the sides of the latex, allowing his mouth to open with his new, more powerful jaw. It was adorned with the indents of sharp teeth, much like the shark whose visage he wore. His eyes were black, though full of fear as he took in his entire changed form. How was he going to live as this...thing?

Colin watched the whole affair happen with a mixture of apprehension and excitement. It was scary, of course, to know that he would be changing into a shark-man made of latex. But another part of him, particularly his loins, found the whole process strangely erotic. Cock still encased in latex, he couldn't get off at the moment. But, with the idea of such a visage being his own...

At that, feeling the latex coming up over his neck and face, he breathed in deeply, letting it happen as it coated his face and head with the fluid orange latex. He didn't bother to try to talk as the latex got into his mouth, filling it up with what felt and tasted a little like glue. It got into his eyes and nose, taking his ears away as it forced his face to stretch out into a point, jawline getting heavy as his face extended into a muzzle. Little was left of his head's former dimensions, though it was about to adopt a more fitting visage to match the rest of his changed body.

Eventually, the latex pulled tight over his form, giving him the visage of a shark-man, just as Jason now sported. He reached up, opening his jaw wide as soon as the reformed latex allowed him, feeling his new tongue, mouth, and sharper teeth. Yet, there was a grin on his features that made Jason feel a little shy, a knowing expression that made the lust in his loins all the more prominent.

Gabe's head was the only one that remained human by this point, though that was soon to change, no matter how much he feared it. Still, there was something about the sight of his friend and boyfriend, exploring their new shark selves, that made him more aroused than scared. Though he feared the rising latex, he simply allowed himself to breathe into it, to let it fuse with his head, invading his nose, mouth, and ears as it reshaped to form a shark man's skull.

"Damn, honey you look hot!" Gabe managed as the latex covered his mouth and filled his jaw and nose. The flavor of the substance was almost rubbery, though soon his ability to taste was erased when the substance fused with his mouth.

At first, he panicked a little, not able to breathe or speak. But, as he felt his face swelling out to match his massive muscled form, Gabe could feel his arousal growing, making him want to make love to his boyfriend and perhaps let Colin in on their fun. There was something powerfully sexy about how his face was pressing out, brown latex sharkskin spreading his jaw wider, causing his head to slope and take on the visage of a sea-based predator.

Eventually, his eyes opened to drink in the sight of Colin flexing, jaws opening and closing as he tested their power. The changes seemed to be mostly over, though the thickening of the tight latex pulling at his groin was growing more intense. He could see the same thing happening to the other two men like their cocks would burst through at any moment.

Jason, meanwhile, was feeling himself up, playing over the rubbery latex covering his chest and muscles, not minding the effects it seemed to have on his body. He could detect his arousal growing more intense as his cock seemed to be poking out of the latex.

Eyeing his buddy Colin, the other shark man's cock did just that, a slit opening in the flesh as a distinctly inhuman cock pushed its way out. Made of the same latex, only black, the tip was pointed, with distinct ridges running down its length as the entire appendage throbbed with need. With that realization, Jason's own shark-hybrid cock came out of his groin, as though a slit of some sort was parting to reveal his red penis, heavy balls covered with white latex underneath it.

Needing to know, Jason's eyes moved to Gabe's cock, it, too, red and shark-like as his slit opened up to make room for it. Yet, no sooner than it had, Gabe could feel the tip start to enlarge, swelling beyond twice its already impressive size. The head started to split from the urethra, pulling his penis bloodlessly all the way down to the base until the insides filled in and Gabe was left with twin shark cocks each as hard and as needy as anything he had ever experienced.

The same sensation came over his own penis, and reflexively, Jason went to cover it, not wanting his friend and lover to see it split down the middle, pulling painlessly towards the base and separating his cock into two distinct halves. Each twice the size of his former human equivalent, Jason stared with a sense of reverence at the twin shark phalluses that he now possessed. He was nearly tempted to start rubbing them then and there, especially in present company...

His eyes raised to see Colin was already stroking his cock, pulling on it with enough force that it would have hurt his human self. At present, however, his efforts only accelerated the pull against his penis as it separated from the tip, peeling back towards the base to form the same twin shark cocks that the other men sported. However, upon noticing that he was being watched, Colin simply got a wild look in his eye, a lustful gleam that made Jason blush. It was as though he was about to...

"Hey, Gabe? How about we spitroast the horny little shark boy there?" Colin suggested boldly, looking over at the brown shark man. It was taking everything Gabe had not to stroke himself off then and there, and at the idea of taking his lover's behind, clear fluid ran from the tips. Though it was a forward offer, none of the three had any inclinations about holding back with the lust so high and their fun unimpeded by the presence of any others.

"I bet you'd find that hot, wouldn't you, honey?" Gabe said, walking over to his now shark lover and taking him in a kiss. The embrace was messy and a little awkward, given their alterations in anatomy. But the two still enjoyed the sensation, making out while Colin watched and stroked his cocks with purpose.

Not wanting to hold up their fun, Jason bent down, resting his hands on the sandy beach and raising his tail up and to the side. His pucker was pink, a contrast to the white on his underside and providing Gabe a clear target for his twin phalluses. Though he wasn't sure if the two of them would fit at once, their needs were equal, and he figured it was worth the try.

"You think you can take both, honey?" Gabe asked while rubbing the pink pucker with the fluids oozing from both pricks.

"Please sweetie, I need them!" Jason said insistently, and Gabe gently pushed his cocks together, fitting both tips inside as slowly and gently as he could before pushing them both in. They parted once inside, the sensation of being opened in such a way making Jason's prostate pound and his own cocks go into overdrive as he stroked them excitedly.

Before he knew what was happening, Jason realized that Colin was standing in front of him, stroking his two shark cocks and holding them up for Jason's inspection. Eagerly to drink down the tasty-smelling precum, Jason reached out and licked the tips of both before Colin's waist moved forward, and Jason gently took them in his maw. His shark snout was easily sufficient to suck both at once, tongue playing over them as he stroked his own pricks, setting the tempo for the trio.

They fell into a rhythm after that, the stimulation to Jason's body almost too much to bear from being taken at both ends. He stroked his cocks at a steady pace, not wanting to cum too quickly and bring their fun to an end, but wanting to keep pace with the insistent pounding of his rear and Colin's twin members leaking inside his mouth. He wasn't usually one to swallow, but given the size of his muzzle and the flavor of latex pre running down his mouth, it seemed that he would be able to do so without determinant.

Colin continued to stroke his dicks from the base, feeling that latex shark tongue doing wonderful things to his penises and stimulating the tips beyond anything he could recall. He moaned, feeling his members swell and his balls almost slapping against Jason's chin as he did so. Getting head from a shark-man was the best thing that he could recall in recent memory!

Gabe, too, felt both of his cocks being crushed together, literally amplifying the sensations twofold as Jason's firm insides wrapped around his members like a glove. He was leaking furiously now, twin phalluses throbbing intently as they pushed in further and further, almost to the hilt as Gabe found the final rhythm to take what he wanted from his love.

It was Gabe who came first, slapping balls causing his legs to vibrate as he growled, cocks unloading like geysers as they filled Jason's rectum to the brim. So much shark cum rushed into the prone man that the backflow started to leak down his legs, pooling on the sand much as the latex had before changing them.

Colin was soon to follow, the stimulation of Jason's fat tongue on his cockhead more than he could bear as twin shark cock's unloaded down Jason's gullet. Colin moaned, holding the other shark-man's head in his webbed hands to make sure that Jason took it all. Jason did so eagerly, his own cock spasming in his hands as the stimulation to his ass and mouth became too much for him to bear. His twin cocks jerked like piston rods, blowing onto the sand and coating his webbed fingers with sticky cream.

Eventually, the three of them pulled themselves up, sand sticking to the latex and making them uncomfortable. The promised swim seemed more and more appealing, especially with the gills they now possessed. And, given their aquatic abilities, it was likely that they could explore the ocean depths in a way that no human could ever experience. And what would it be like to make love underwater? All three were thinking the same thing, cocks sliding slightly out of sheaths as though ready for another round. With the stamina they still possessed, it seemed likely that some underwater fun would soon be on the table.

Gabe looked down at his lover's shark-like visage, making Jason blush a little before reaching down to kiss his muzzle. Jason took his love in the embrace, reaching down to explore their pecs and bodies, webbed hands teasing around the cocks that were sliding out of their slits once more, as they began frotting them together. Colin, meanwhile, was more inclined to flex with his body, wishing he had a mirror but enjoying the sight of the shark-men making out nonetheless. Still, he couldn't help but wonder what his own love would look like with a latex-shark suit of their own. If they didn't end up changing back, he would make the trip back home to give his love a visit...

None of them knew what their new lives would entail or if they could ever get the latex off. Stanger still, all three wondered if they really wanted it removed, or if they were content with the knowledge that they would have these sexy forms for the rest of their lives. Their humanity was a small price to pay as Gabe took Jason's hand, beckoning for Colin to follow as they walked into the waves, preparing to swim out to sea and really put their bodies to the test!