Work Text:
Just off the coast of Unova spanned a wide, blue ocean that went on for miles. Below the surfaceline was a reef brimming with life. Many Pokémon called this sea home. Coincidentially, it was also the perfect place for Colress to take up his latest research project.
At least that's what he thought.
Truthfully, research had not gone how he had planned. He had hardly seen any signs of life in the past several hours he’d been here. The sun had long begun to set, bathing the ocean in a warm hue. Despite the frustrating evening, there was no harm in staying out a few more minutes to watch the sunset. That's when he saw it. From the corner of his eye - a tail.
He must’ve missed it. Whatever it was seemed big even from a distance.
Colress quickly fumbled for his Pokédex as he caught the tail breaching the surface once again. It was unlike anything he’s ever seen and certainly not belonging to any Pokémon - at least not one known to modern science. Deep reddish-orange, black, and white stripes banded its surface while spines sporting the same coloration jutted out along its back. As luck would have it, he missed again.
“We don't see sailors here often.”
A voice called out from the other side of the boat, causing Colress to fumble once again, dropping his Pokédex. His labcoat billowed behind him as he spun on his heels to see what looked like a young man with his arms pulled over the edge of Colress’ boat. He didn’t seem to be much younger than Colress - about five years if he had to hazard a guess.
“I'm not a sailor. I'm Colress. A researcher.”
Colress corrected as he examined him further. Long, orange hair draped over his back and face, sticking to his skin and fanning out into the water below. Stripes creeped up his arms in a familiar pattern and spikes emerged on his upper arm as the pattern waned.
He'd never seen anything like it! What exactly was the boy? Certainly not human. Not Pokémon either. Even the most humanoid of them still lacked the delicate features most people possess.
His suspicions were all but confirmed as Colress peered over the edge of the water to be met with a tail rather than a pair of legs.
What a marvelous discovery! He simply needed to pry further. Taking another tentative step closer, he attempted to gauge how exactly he should approach this.
“Are you staring?”
Well no use in being subtle. At least he seemed open to it.
“Ah- yes, yes. My apologies,” Colress quickly responded, his voice uncharacteristically excited at the prospect, “You simply must let me study you! I've never seen a specimen quite like you!”
Without another word said, the boy laid back in the water, leaving his entire ventral side exposed. Now with an even better look at the boy, Colress made note of how his stripes thinned and waned as they crawled up his hips and left his stomach completely bare.
“Like this?”
Colress wasted no time before allowing his hands to run down the fish-boy's body. How absolutely fascinating. Of course his stomach, arms, and neck all felt like skin, but as he dipped further down, it transitioned into overlapping scales that glistened in the water.
Colress’ hands went lower before being met with a slit just below his navel. He gently brushed his thumb along it, eliciting a small whimper from him. Huh. Interesting.
“You could at least ask my name before doing such a thing!” He retorted, although it lacked any real bite nor did he attempt to pull away. If anything, there was a slight trust upwards into the scientist's gloved hands.
“My apologies-” The realization suddenly hit Colress of where exactly he was touching him. Before he could pull away and rectify his mistake, his hand was pulled down to be met with slit once again. Mason's hips rutted up against Colress’ hand and Colress himself adjusted to match. “Ah-”
“...It's Mason.”
As he continued to run his finger along the slit, Colress found himself growing far more aroused yet playing such a passive role was… less than stimulating for a man like himself. What's the point in being a scientist if he weren't willing to get his hands dirty from time to time?
Despite Mason's constant insistence, Colress managed to pull his hand away. With all his limbs back under his control, he was able to set aside any valuables and remove his pants and boxers.
Now with his lower half fully exposed, he approached the edge of the boat once again. He gave Mason a look of confirmation before carefully sliding down the edge of the boat before fully settling into position with his legs straddling the sides of Mason's tail and dipping into the cool water.
Colress' crotch was pressed up against Mason's slit while his hands steadied themselves on Mason's chest. Colress gave it a few humps, allowing himself to gently grind his own pussy against Mason's. Shortly after he began rutting, he noticed a warm, wet feeling pressed up against his pussy.
Although not a shock, it was surprising to see that the Mason had become fully erect. His cock was, obviously, not like that of a human. From what Colress could remember from his limited research into aquatic sealife, it was similar to that of the finizan line with the exception of flat spikes that laid close to its form in a way that made it smooth to touch.
“May I..?” He whispered in more of a warning than a question as one of his hands switched its current focus to Mason's cock. Mason only gave a hasty nod in response. Just as Colress would've expected, it elected yet another whimper from him. With his cock now unsheathed, it allowed Colress to more adequately pleasure Mason.
As Colress began to pump Mason, he couldn't help but notice that it seemed to have a mind of its own. It attempted to press against Colress' hand and to intertwine into his fingers. Still feeling heady from earlier stimulation and now combined with this eagerness was making it increasingly difficult to ignore the heat and wetness building in his groin.
Hoisting himself up to get a better angle, he positioned himself above Mason and spread his pussy for easy access. As he lowered down and met his hips against Mason's yet again, he felt Mason's hands grip onto his thighs. Mason's nails dug into Colress' skin, not enough to break it, but it definitely hurt.
With Mason now fully inserted, Colress could feel how eager he really was. It squirmed and writhed inside him as if attempting to go deeper and pressing up against his walls. Even If Colress wasn't the most experienced when out came to sex, this was still unlike anything he had felt before. It was gross. Bizarre. It was unsightly for a researcher such as himself to be having sex with something so far from human. But it felt good.
“You're such an- ah- such an unusual creature…”
Colress softly gasped as he felt it squirm and push up once again. Now being plagued with such thoughts, he pressed his hand up against his clit and began to stroke it in tandem with Mason's movements whilst grinding his hips just like before.
Colress wasn't the other one enjoying himself, of course. Mason too could hardly hold back his squirming and moaning. He kept one of his hands firmly clasped over his mouth to avoid making too much noise. Even now, he could tell he was getting close. His spikes were gently flaring outwards which only served to provide Colress more pleasure.
Colress gave one last grind forward before pleasure completely overtook him. His breath came out in heavy gasps as he finished on the boy's lower stomach. Just as he was about to pull out, a sudden, painful pressure shot through his inner walls as hot semen flooded into him as Mason's penile spikes jutted out in orgasm.
Colress slowly opened his eyes as the pain subsided. He saw Mason, his face still flushed red and his eyes shut as he bit back the embarrassment of climax. It seems like he'll have some downtime to complete his study whilst he waits for Mason to come down from his erection.
He'll make note to come back here for more studies in the future.