Seaside Story: Speedy Swim Speedos

Story by draconicon on SoFurry

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Commissioned by FA: DrakeHavok during the seaside stream a while back, we have a story of him and a stallion having some fun with some transformative speedos. Enjoy.

If you liked this story, consider buying a commission slot from me in the future. I have a great turn-around time, and the costs are reasonable.


Speedy Swim Speedos for DrakeHavok by Draconicon

Havok walked down the beach, spinning a black pair of speedos around a finger as the waves slowly rolled up the sand, under his feet, and then back out to sea. The simple feeling was as comforting as it always was, but the dragon kept his face neutral. He didn't want to make his stallion friend think he wasn't as focused as the horse was.

"So, Mark, you think that you're willing to give this a shot?"

"Let's see. You want me to strip down, put those on, and see if they turn me into something else. Why wouldn't I want to do that?"

The dragon rolled his eyes, but he didn't push. He knew Mark; the stallion wouldn't have come here if he wasn't at least somewhat interested. He just held out the speedos, making sure that the black latex hung from his finger in an easy-to-grab way. It was skimpier than normal, but it would still cover someone. Mostly.

The pair of them continued to walk as Havok thought back to the lab he'd picked these up from. That tigress had promised that he'd get some good results from this prototype, but she hadn't mentioned any testing that had been done. He just hoped that she had done something, at least; it was hard to tell with her.

They kept walking down the sandy coast until they were around the corner from the more public part. Even though the place was mostly abandoned this early in the summer, it was still better to be somewhat out of sight. All the adults in town knew that past the white rocks, people tended to get a little...naughty. It was as much a code as the sock on a door in college; people just knew it and went along with it. Back here, Havok hoped, Mark might feel a bit more comfortable and go along with the experiment, and maybe -

Finally, Mark sighed, and Havok grinned. He dropped his hand without even looking, knowing that the stallion would take the garment.

"Thanks, Mark. You won't regret this."

"Uh huh. Tell me something, Havok."

"What?"

"How much of this is just you wanting to see me naked?"

More than a little, the white dragon thought with a blush as he turned to look at the stallion. Mark towered over him by a good foot, at least, and the horse's pants were packed. Stuffed, according to the jealous people, but Havok had gotten one good look at a urinal once, and he knew it wasn't. That was pure, hot, horse cock down there, and he hadn't gotten to see it nearly as much as he wanted to.

However, he knew that the horse wasn't someone that was as...out there, as he was, and he knew that he would just alienate his friend if he pushed things. So, he shrugged.

"It's a treat, but I swear that it's a legitimate experiment."

"Uh huh. Right."

Despite the horse's apparent annoyance, the stallion went along with it surprisingly willingly. Starting shirtless, Mark quickly pulled off his pants, and Havok shamelessly watched as the equine's underwear dropped as well.

The sight was utterly spectacular. A dick almost as long as his forearm hung from Mark's crotch, and Havok could only imagine how it would look when it was hard. It swung from side to side as his friend kicked those pants aside, and the white dragon had to resist reaching down and grabbing it.

Then Mark pulled the speedos down, sliding his legs into them and slowly pulling them up. The horse grimaced a bit.

"It feels like some sort of sex suit."

"Well, they are latex."

"Pervert."

Havok blushed, but it was more or less true, so he didn't say anything. He just watched as the speedo went up and up. The horse had to pull his cock back, almost tucking it over his balls and between his legs in order to keep it in. It still made quite a bulge, though, and the dragon's own shorts were rapidly getting tighter than he would have liked.

When they were fully on, the speedos looked like they could be ripped off at any second. The front bulged out like some porn star that was getting a massive hard-on. The fact that the horse was completely soft - and Havok knew he was - only made it more impressive. Mark took a couple of steps, and the speedo stayed on.

"So, what do you want now?"

"Well, we need to test it in the water, so if you wouldn't mind -"

"I swear, I'm going to freeze my ass off..."

"Hey, if it makes you feel better, you'll at least shrink. Then maybe it won't be so tight."

He shrugged as the horse glared at him, but Mark was quick to go along with it, again. The stallion was quite a bit sexier looking as he walked across the sand, the speedo more of a thong in the back. Havok swore that he saw the bulge of his friend's cock head between his legs before Mark hit the water.

This was the part that he hadn't mentioned to the stallion. Looking down at his watch, he counted down from twenty. The tigress had told him that twenty seconds submersion in water was all it would take to activate the other functions of the suit, and if she was right, then all he needed to do was wait.

It turned out she was wrong. It only took five seconds before he heard Mark gasp, and he looked up to see the black latex of the speedo crawling up along the horse's sides and down his legs. A whiter substance popped out along his stomach, making it shimmer in the summer sun. More than that, he swore that the horse's bulge was starting to travel forward again, working its way to point against the front of the speedo.

Havok grinned, walking up to the edge of the water as Mark flailed about, tugging on the speedo as it got tighter and tighter. The horse's tail was rapidly solidifying, and lengthening as the latex poured down his back. Soon, the tip started to burst out into a pair of flukes, and the whole limb seemed to thicken, giving the changing horse an orca tail.

"How's it feel?"

"Really...really weird! You coulda warned me!"

"Come on, it's not that bad. And it wears off in a couple of hours."

"Yeah...right...why don't you come here and say that to my face?"

Considering that the speedo seemed to have melted into the horse - more of an orca, now - by that point, and his cock was pointing out as if it was hanging free, Havok had a pretty good idea of just what Mark really wanted him to come over for. Usually, the stallion was completely reserved, and so close to asexual that he almost wondered if that was Mark's real leanings.

How could he say no?

Havok smiled as he stepped into the water, taking his shirt off and throwing it back onto the beach. He'd left his shoes behind in the car, so he was only dressed in a pair of shorts by the time he reached his friend, and submerged up to his waist. He stopped in front of the orca, smiling.

"So, still feeling sore about it?"

"Not as sore as you're gonna feel. Turn around and bend over, Havok..."

He blushed, but he turned around quickly. Big hands grabbed hold of his shorts, and dragged them down, hard. The dragon groaned, almost falling forward into the waves before the orca grabbed his hips. Fingers pressed against him hard, almost bruisingly so as he was pulled back, a hard cock rubbing under his tail.

"Looks like...looks like it changed you properly..."

"Uh huh. I'm adding a new experiment. Seeing if it changes you, too."

Havok's eyes went wide, but he didn't say anything as he was suddenly filled. Well, he gasped, but that was about as far as it went. The dragon was lifted right off his feet, his toes dragging through sand and seaweed as he was pulled upwards by the orca's hard thrust. It was like being punched open, but in the best of ways as that dick went deep inside of him.

Those hands lifted and lowered him, and he could feel his body changing already. Without even looking, he could feel his scales getting smoother, his tail getting stiffer. He leaned forward, going limp in Mark's hands as he was used almost like a toy. He could feel the same transformation running over him, pushing outwards from his hole, and morphing him into another orca.

It didn't take long for his arms and legs to start thickening up, the color patterns already covering his smoother body. Havok leaned his head back in a moan, getting louder with each hard thrust up his backside, getting more and more excited as his cock started to grow as well, swelling outwards and starting to hang down, heavier and harder than he remembered it being in some time. He started to reach down, but Mark grabbed him by the arm.

"Uh uh...you're finishing with me...or not at all..."

The former dragon groaned, but he nodded as his head started to swell, growing upwards and outwards. What bumps and horns he had faded away, swallowed up by the growth of fat and flesh around his upper body and head. His snout pulled outwards, growing as much as the rest of him, and his teeth and jaws re-aligned themselves as they grew bigger, more rounded as well.

He touched down again against the sandy ground, his bigger feet pressed into it hard as Mark hammered him from behind. Each thrust made him rock forward, and then slide back, and his ass - bigger, softer than before - got smacked loudly by the other orca's hips.

"Getting...close..."

Mark grunted in response, and the thrusts went from hard to jackhammering. Havok's eyes rolled back in their sockets, his cock throbbing above the crashing waves as he was fucked. The tip oozed with pre, and the shaft twitched with need.

Finally, with one last thrust, Mark drove him over the edge. Havok moaned out loud, his beak opening wide as he came. His new, wide tongue flopped out as he sprayed what felt like gallons (and might very well have been) of cum into the ocean, turning the waves coming in white with more than simple froth. He came and came, even as the former stallion did the same into his ass.

They both came down reluctantly, and Havok couldn't help but notice that Mark's cock was still throbbing hard. He chuckled a bit.

"Looks like...looks like the experiment was a success."

"Uh huh?"

"Well...what else could it be?"

"We haven't changed back yet."

"Give it a few hours. We got time...and lots to fill it with."

The End