Evolution Trigger

Story by AstroSecant on SoFurry

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Sometimes you have to resort to unorthodox methods to get what you want. Of course, that's not always a bad thing.

Content disclaimer: contains male/male sexual relations, theoretically unsafe biology, transformation, and the validation of unfounded rumors.


"You're sure about this?"

"Jeez, it's not like I've tried it myself. This is just what I've heard. If you want to try it, go ahead and try it, but if it doesn't work don't blame me."

Greg sighed. "Ngh, all right, thanks Mickey. I'll let you know..."

"Hey, if nothing else, he'll probably enjoy it."

"If I go that route I hope so." He hung up the phone and stuck it back into his pocket. Not what I would have thought...I feel kind of dirty even thinking about this, but maybe it'll actually work...and if it does, we've both gained something.

He pulled out the Poké Ball from his belt and tossed it to the ground. "Okay, Remes, come on out." The ball opened rapidly, releasing the Quilava from inside. The fiery Pokémon bounded about, looking for action, but when he saw it was just him and Greg, he turned and cocked his head in confusion. "What's the deal? There's no one here."

"No, and no one had better come around, I hid as well as I could." He sighed again, shook his head, and looked down at Remes. Still can't believe I'm doing this... "Look, Remes, I've been looking around. I know you're tired of not being able to evolve, and I've been trying to find ways to aid in Pokémon evolution for Pokémon that don't need something special. Someone turned me on to...um, tipped me off to a rumor, but there's not really any proof that it works...still, I think it's worth trying."

Remes jumped up eagerly, greatly excited at the prospect of evolving; he'd been stymied for months despite all sorts of training, and he'd gotten almost desperate to reach his full potential. "Sure, we can try! Nothing ventured, nothing gained, right?"

"Okay...if you're really interested, we can start right now. You just gotta do as I say, okay?"

"Sure, Greg! What do I do?"

Greg swallowed. "Just...lie on your back and close your eyes. I'll do most of the work."

"Huh? Well, okay." Remes followed his directions, laying down on his back and spreading his arms and legs to the side, closing his eyes and waiting for something to happen. And waited...it was only a minute, but it felt like it was taking forever to Remes, and he was getting steadily more impatient and anxious as it went on. But finally something did happen, as he felt a hand make contact with his groin and start rubbing. His eyes shot open and he jerked his head up at Greg, who had a firmly resolute expression on his face. "G-greg! What are-ahhh...you doing?"

"This is what I was told. Just relax and let me do the work." He almost had pulled back, cancelled the whole thing, but seeing Remes so eagerly anticipating a possible solution, he couldn't disappoint his partner. Now he was on his knees, one hand supporting him, the other fondling Remes' groin, slowly bringing his member out of his sheathe.

"Ahhhh...Remes, that feels...so good..." Remes moaned blissfully, his back arching slightly to lean his groin into the gentle hand. "Never thought you'd be...doing this to me..."

"That makes two of us." Greg moved his hand away slightly to observe Remes' penis; it was larger than he would have expected, tapered to a point, a reddish-pink color, and very warm to the touch. He brought his hand back towards it, and gentle wrapped his hand around it, pumping it slowly and earning another loud moan from Remes. He was starting to get turned on himself, his dick straining in his shorts, and he decided it was time to start the second phase. "Does that feel good, buddy?"

"Ah, yes, it feels so good, Greg..."

"I'm glad...I'm gonna do something else in just a minute, it's also gonna feel good, maybe a little weird at first-"

Remes giggled suddenly. "Greg, I know what you're talking about, silly. I've heard people talking about it before. I'm ready, please, don't keep me waiting..."

Greg hadn't been expecting that, and it made him feel a little foolish, but his thoughts quickly turned back to his course of action. He pulled off his shorts and underwear, and then, as an afterthought, took off his shirt as well, leaving him as naked as Remes. The Quilava spread his legs wider as Greg knelt down, positioning himself at the waiting hole; he could already feel the radiating heat as he readied himself, and briefly he worried that it might be too hot for him to handle. But he wasn't willing to back off at that point, not when they'd already gone as far as they had.

He pressed forward, spreading the tight hole slowly, letting out his own moan as the heat rapidly warmed his cock. It was definitely hot, quite significantly so, but not so much that he was being burned. He pushed in further, once again bringing a hand to Remes' own length, stroking him a bit more vigorously than before. After a minute, he was fully pushed in, his hips meeting the furry rear. "Ah...so warm...Remes, are you..."

"Yes, ah, keep going, Greg..." The Quilava was squirming underneath him, feeling resounding pleasure from the dual stimulation he was getting. Greg nodded and began thrusting slowly, continuing to jerk off Remes at a steadily increasing pace. It was a touch awkward for him as he had to coordinate his hands and his body, but from the moans they were both giving off, he was doing it well enough.

As Greg sped up his thrusts, he did the same with his hand, and as he did felt a growing heat from Remes' length and the pre spurting out over his fingers. He could feel the Quilava clenching around him, making his passage tighter and hotter, and something told him his partner wasn't going to last much longer. Neither was he; his own inexperience was going to bring him around soon, and he wanted to make sure he didn't finish before Remes, not if this technique was supposed to be any good. He held back as much as he could, trying desperately to bring Remes to his peak before he did.

He just barely succeeded, as Remes let out a sound halfway betweeen a cry and a squeal as he came, his hot seed spurting out over his fur and Greg's hand. A moment later, Greg gasped as he felt that tunnel tighten again, sending him over the edge as well; he thrust in hard and ground against Remes as he let loose his own fluids deep inside his Pokémon. He moaned out in bliss as the high started to fade, feeling a very satisfied glow come over him, almost bright enough to see...

Then he started. He COULD see a glow, but it wasn't him. Remes' body was starting to glow brightly.

He pulled out quickly and scrambled back as the Quilava hopped to his feet. His size was expanding rapidly, his body quickly putting on muscle, his flames growing, his face taking on that fierce form. In just a matter of seconds, he was no longer the small and furry Pokémon Greg had known for so long, but the strong and stalwart beast they'd both desired.

"Whoa...it worked! I can't believe it!" Greg looked over Remes in awe, marveling at the new size of his partner, standing right about as tall as he did. He could feel the heat waving from his body even from several feet away, showing off an incredible new power. Even his attitude seemed different; he seemed calmer, more confident, seeming almost as if the body was a perfect fit for him.

"Ah...wow...this feels great..." His voice was deeper, too, and fiercer, with a maturity to it that matched his new body. "I feel like I could take on the world...although...I think right now there's just one thing I have to take on, right, Greg?"

"Huh?" Only then did Greg suddenly realize that his new partner was still quite hot in another way. His eyes widened as he laid his eyes on Remes' erect shaft; it was a lot bigger than it had been as a Quilava. And I'll bet it's a lot hotter, too- His thoughts were interrupted as Remes half-tackled him, taking him gently to the ground underneath him. Greg gasped as he felt the warm fur envelop the front of his body. "Ah, Remes, I-"

"Shhhh..." Remes put a finger to Greg's mouth. "I owe you this much, at least, Greg. You gave me great pleasure, I'm gonna return the favor."

Greg started to say something but it died at his lips as he felt something hot probe at his hole. Despite his apprehension, he couldn't stop himself from spreading his legs, giving his partner more access to him. "Remes...be gentle, please..."

He didn't notice any response from Remes, and a moment later it didn't matter, as the Typhlosion pushed forth, spreading Greg slowly but insistently. The heat in his ass was intense, almost burning but just not quite, but it felt oh so good to him, a volcano of pleasure inside him. The weight of Remes on him kept him from doing much more than squirm, but that was about all he needed, especially when Remes got deep enough to strike his prostate, causing his own cock to twitch and spit out some pre.

Another minute and another few thrusts had Remes' cock buried fully within Greg, letting out a purring growl as he gripped Greg tightly. "Ahngh...fuck, Greg, you're so tight, it's amazing how good you feel..."

"R-Remes...you're so hot, it's almost burning, but it feels so good..."

"Just wait, it's about to get even better..." Remes grunted as he slowly pulled out about halfway and then bucked forward, slamming himself into Greg again. The trainer cried out as he was filled again, the heat hitting his sensitive spots hard and sending waves of pleasure coursing through him. His hands balled into fists around the fur on Remes' arms as he tightened up around the searing invader, reveling in the growing inferno inside of him.

It was all too soon that Remes got into a rapid cycle, pulling out and thrusting in with the intensity of a wildfire; the rush of evolution combined with the novelty of this sexual experience had quickly overpowered any restraint, and he was simply trying to bring his pleasure on to its maximum as quickly as possible. He had just enough awareness to ensure that he didn't overdo it and harm Greg in his haste, but he was holding back only the bare minimum needed to achieve that, and it was still a very wild ride. Not that Greg was complaining; his first time was proving to be heavenly, his brain almost overloaded by the intense pleasure he was feeling, the force unlike anything he could possibly have imagined.

The frenzy rapidly built within both of them, and it was all too soon that they went over the edge. With a final growl and a surge of flame from his mane, Remes hilted himself and unleashed his fiery seed inside Greg, branding the human's insides with his cum. Greg could only thrash as the heat pushed him past his own breaking point, his cock spurting onto Remes' fur and his stomach, his mind pushed to the limit by the intense fire inside him. The Typhlosion's peak lasted quite a bit longer than Greg's, but eventually tapered off, the heat dying down somewhat as the last of his fluids were leaked into the trainer.

Greg felt the furry arms slide underneath him, and he was pulled into the warm fur as Remes laid down half on top of him. Both of them were panting hard, and Greg could feel Remes' hot breath on his face and neck. He wrapped his arms around the Typhlosion, reveling in the warmth and the afterglow. "Mm...that was amazing..."

Remes purred contentedly. "Yeah, wonderful..." He grinned a little shyly, a hint of that playful Quilava coming back momentarily. "Mm, y'know...I know I don't have another evolution, but...you wouldn't mind if we tried to get it anyway, would you?"

Greg couldn't help but chuckle. "Absolutely, buddy. Over and over again."