Slit Tight

Story by AstroSecant on SoFurry

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No real huge story behind this - a pretty basic idea, a pairing I wanted, a kink I wanted, and a story that didn't need to be too terribly long! And no, I don't ever get tired of using these two Pokémon lines. They are two of my absolute favorites!

OBLIGATORY CONTENT WARNING: This story contains sexual acts between two males, rough sex, size difference, slitfucking, and big attitudes on tiny creatures.


"Tch...where is he? Gah, I can't believe I've been waiting all morning for his stupid...argh!" Aspen was pacing around the grass, clearly out of sorts. The Treecko had been at it a while, the tamped-down grass on the ground showing his path pretty clearly. Why he was so agitated would not have been obvious to anyone watching him, though his occasional muttering suggested he was waiting for someone who wasn't showing up. Why he was waiting instead of going to find them was far less clear.

"How can he not know...I must've told him a dozen times yesterday..." The more he spoke, the testier Aspen sounded. For such a small creature, he certainly seemed to have quite a bit of spitfire in him. Anyone who knew him would confirm that in a heartbeat - Aspen was bold and feisty, he didn't back down from challenges and seemed to have the attitude of a mon twice his size. Which could, on occasion, get him into a bit of trouble, as he was NOT a mon twice his size, but one who was a very normal-sized Treecko, and therefore easily punted by the larger Pokémon out there. Fortunately for him, the forest hills where they lived didn't have too many antagonists to worry about, though that sometimes meant he could get a little bit pent up and need a target to take out that tension on. Fortunately, there was one means of relief that was easily accessible to him...unfortunately, said means of relief was what hadn't shown up.

At least, until right that second, when a Charmeleon stepped out from the trees, yawning and blinking like the fuzz of sleep was still in his eyes. "Aspen? They said you were over he-"

"Fuckin' FINALLY!" Aspen rushed over and gave the Charmeleon a leaping bap on the snout. "What the hell, Tuli? I've been waiting ALL MORNING!"

"You have?" Tuli looked terribly confused. "For what?"

"Are you KIDDING me? We were going hiking up to the ridge today! I've only been talking about it for days! How the hell did you not know?!"

Tuli rubbed his head. "Y-yeah, you've been talking about it for days, but...I didn't know you'd decided to actually DO it."

Aspen folded his arms and glared up at the fire lizard; almost twice his height and with the obvious type advantage, Tuli looked like a poor matchup for him to go against, but that clearly was no deterrent. "I told you at LEAST a dozen times that today was the day to go! You weren't listening to me again, were you?!"

Tuli gulped a bit; unfortunately, he was a bit caught there, but he wasn't sure exactly what to say to mollify the smaller reptile. Aspen, despite his small size, could be a bit intimidating when one didn't like him to be angry. The Charmeleon was one of those types - he liked people being calm and happy, especially Aspen. Counter to the Treecko, and to the norm of his type, he was a fairly easygoing sort, not hot-headed or overly aggressive, though he could certainly be if someone he cared about was threatened. He liked to say that his flames were always just charging up for those moments that they truly needed to be unleashed. That wasn't to say he was totally passive, but he tended to go with the flow more often than not, unless there was a good reason not to. The flow here, though, was not in his favor. "I...well, I told you before, it's hard to keep up with you sometimes, and you know when you talk about the same thing over and over again, I kinda tune it out..."

"Rrrrrgh!" Aspen threw up his hands in exasperation. As much at himself as Tuli, because the Chameleon did have a point, he had a habit of going on and on and on and he was aware that most people tended to stop paying so much attention after a few repetitions. Could he help it that he got excited about things sometimes? "Well, that's great! Now it's too late in the day to start, we'll never be back before nightfall!" He turned away from Tuli, folding his arms again, scowling and grumping in irritation.

Of course, Tuli wasn't going to let that stand, and took the opportunity to walk up to Aspen, kneel down, and pull the huffy Treecko into an embrace. "Aw, hun...I'm sorry about that. I know you've been looking forward to this...tell you what, we can go tomorrow, okay? I'll definitely be aware of it and ready for you."

"Hmph. I know...but I wanted to go TODAY."

"I know you did. And I'll be happy to make it up to you today, too. Maybe we can do something else you wanted, since you missed this."

"Welllll..." Aspen's huffiness seemed to fade. "If you really wanna make it up to me, there's one thing you can do."

"Just name it, hun."

"Oh, I'll name it, all right. You can stuff that fat cock of yours into my slit and flood me with your lava."

Tuli's eyes shot wide open, and he broke the embrace to turn Aspen around, his expression highly agitated. "Aspen! I told you, we'd do that after you evolved...I don't want to hurt you!"

"You're too worried about that! If you can ram it into my asshole and down my throat just fine, why not elsewhere?"

"It's not THAT simple, love..." Tuli was somewhat regretting the latitude he'd offered now. He and Aspen had been partners for over a year - they got around plenty with the other Pokémon in the forest, but the two of them were a consistent pair, spending more of their time together and clearly closer than just fuck buddies. They meshed together pretty well, Tuli's chiller temperament able to handle Aspen's feistiness well and Aspen glad that there was someone he didn't have to put up a front with, and they were highly sexually compatible as well - Aspen was much more a bottom, Tuli a top, and that fit the type sensitivity quite well. But there was one aspect of their physical relationship they weren't on the same page on - Aspen had really developed a thing for slitfucking, he'd done it with others in the grove and he wanted Tuli to take him there. Tuli certainly wanted to give his partner what he could, but while size accommodation tended to be quite liberal among Pokémon, he was concerned that it wasn't going to be quite enough here. A slit was a somewhat tighter passage, a lot more sensitive, and he would be competing for space with the Treecko's own erection - what if he got trapped in a bad spot in there, and damaged it? It would be easier if Aspen was a Grovyle, his slit would be a lot larger and a better fit, and he'd been trying to convince Aspen that that would be the first thing he did after the Treecko evolved. Aspen, however, seemed intent on forcing the issue...and after he'd given his word, he couldn't just say no.

"It's simpler than you say it is. It's not like I haven't been nailed there before."

"Not by me. I'm big enough to potentially hurt you. Even if not by stretching, you know I'm worried about what happens if you get hard in there."

Aspen folded his arms again and looked up at Tuli boldly. "You don't have to worry about that. I took an herb that keeps me from everting. You'll have me all to yourself."

"You...what? Wait...were you...planning this?"

"I was PLANNING on convincing you up on the ridge, so you could skewer my slit with a nice view. THAT will have to wait until tomorrow, but I'm not waiting on that cock of yours today."

Tuli sighed; mistake or not, Aspen was absolutely intent on getting what he wanted. And he knew how fruitless it was to try to dissuade him. "I don't suppose you'll let me convince you to go nice and gentle?"

"Tuli." Aspen put a hand on the Charmeleon's arm. "You know I love you. But so help me, if you don't rail me like the firebrand I know you can be, I'm gonna have to shove you on your back and ride you like a Spoink on coke. And I really don't want to do that because it's gonna keep me from being properly pleasure-zonked."

There was no helping it, so Tuli nodded in agreement. He still didn't know about this, but Aspen was so dedicated to it...maybe a round would convince him that it was a bad idea. "All right, I'll do what you ask, Aspen, but you can tell me to stop any time you need to, okay? I don't want you to hurt yourself just because you want this so bad. I know how you can be when you really want something..."

"It'll be fiiiiine. Stop worrying so much." Aspen pulled the Charmeleon over to a grassy patch, and then flopped back on the ground, spreading his legs and rubbing at his slit, which looked fairly spread already despite there being nothing poking out. "I've been waiting so fucking long for this...you're probably gonna love it just as much as I do, just let loose and fuck me like you mean it, you hot-ass stud."

Tuli took in a deep breath and got on all fours over the Treecko. His nervousness was still palpable, he wasn't even sure he could get aroused like this, but little was more effective at revving his engine than the lusty scent of his little lover, and Aspen was giving it off like nobody's business. If he was going to do this, he was going to do it right...he crawled back a bit, leaned down, and starting slurping at Aspen's slit, huffing that scent and murring at the taste, a sight sweet syrupy flavor that was about the sexiest thing he'd ever imagined. His fiery tongue was prodding at that sensitive flesh, pushing in as deep as he could go.

For Aspen, it was a furious pleasure that was hard to match. His slit was amazingly heat-sensitive, he'd had a Fire-type in there before and it was absolutely mind-blowing. But that one was a lot smaller, and not quite as hot as his lover...even the Charmeleon's tongue was an inferno, and it made him squirm and leak profusely. His cock wasn't hardening at all, not even pushing out in the slightest, but he was still feeling rather intense pleasure and it was still leaking into his slit, helping to fuel Tuli's lust and hopefully get him a little more aggressive. He would have preferred just getting that hot rod rammed in right away, but he knew he had to warm Tuli to it a bit, and at the very least, that hot saliva would make the heat of Tuli's dick even more intense.

Still, he didn't want to wait forever...and as Tuli seemed to start to lose himself in the slit slurping, he gave the Charmeleon a tap on the snout. "Hey, don't forget what you're supposed to be doing, hun."

Tuli flushed a bit, and rose up, showing off his thick, hot erection, dripping with sizzling fluid. It was a monster at the best of times for the little grass lizard, but that was an asset as far as he was concerned - feeling that stretch out his ass and flood him with withering heat was a pleasure like none other, and he loved the taste of it as it shoved down his throat and poured its magma all over his tongue. Aspen had to confess that he was a bit of a fireslut, the intensity of it made it so much better than even other type advantages to him...how grateful he was that he had Tuli, probably the hottest Pokémon in the grove. Only fully evolved Pokémon would be able to get hotter, but those were few and far between around there, and he was fine with taking what he could get. And as Tuli rubbed his cock against Aspet's slit, sending a wild rush of pleasure through him just from that light touch, he was as ready for 'what he could get' as he'd ever been in his life.

"Do you want me to-"

"Don't you dare go easy. I wanna feel you hilt on the word go."

"Aspen..."

"I don't care. Ruin my damn slit as hard as you can, if that's what happens."

Tuli swallowed, Aspen was making it hard for him to be careful. The choice was either disappointing his partner by taking it easier than he wanted or risking harming him to deliver what he desired...but, he had promised Aspen he'd make up for his gaffe, it was the Treecko calling the shots here, so he would just have to watch for any sign of anything wrong. He took hold of the Treecko, keeping him firmly on the ground, and clenching his jaw, he threw caution to the wind and thrust with all his might into that tight passage.

He didn't hilt, but it wasn't for lack of trying. Tuli's cock buried pretty damn deep inside Aspen, warping his slit around something it wasn't designed to contain, stopping short only because it got too tight to get deeper. It felt like he was taking up every possible bit of space he could, and hell if it didn't feel good around him. Beneath him, Aspen jerked and twitched, mouth open in a soundless scream as he was completely overwhelmed by the rush of sensation, the furious burning in his body spreading rapidly outwards from his slit, which felt constantly white-hot. The initial surge was almost too much, he barely managed to keep from blacking out just from that first thrust...just as he'd wanted it.

Tuli, of course, was more concerned about what Aspen was feeling. "A-aspen? Are you-"

"F-fi-NE!" Aspen managed to burst out, heaving hard the moment he managed to get the word out. Holy HELL was that intense! His little hands balled into fists, clinging to the grass underneath. "Keep...going! Don't you d-dare stop!"

With reservation but determination, Tuli obeyed - he pulled out of Aspen's slit somewhat, then thrust back in, pushing a little deeper within this time. He knew what Aspen wanted, he wanted a nice hard fucking, and he wanted to provide as much as he could...another thrust, and Aspen cried out, strained but euphoric, encouraging Tuli that he was still all right. He still had to be mindful, that could change at any moment, but he could keep going at least...

The Charmeleon shifted a bit, lifting himself to drive down more, thrusting more directly into that gaping slit the Treecko was sporting. It looked overstretched, reddened a bit from the raw heat, but it was still leaking so much of that sweet, enticing scent, mixed with Tuli's own spicy offering, an odor mix that always riled Tuli up. He started to really pound away in earnest now, losing himself just a little in his own pleasure and the rapturous wails of his lover. As he thrust harder, he got deeper, the Treecko's body trained to accommodate him as he had been so sure it would, until finally Aspen was feeling the larger reptile's body smacking into him, slit to slit, just as he had wanted.

Thoughts were not anywhere in Aspen's mind at the moment - only the raw registration of sensation and unending orgasmic bliss. His head was spinning madly, wildly overtaxed by the raw fire being pounded into his most sensitive region, so deep it felt like it was piercing him to the very core. The breath was driven from him every time Tuli got to his deepest point, the searing top of his cock spurting magma into protesting flesh, producing a high quavering cry that didn't last long. It was far too much to be purely pleasurable, there was certainly some pain as he demanded more of his body than it was meant to handle, but as far as Aspen was concerned that was just a bonus, everything swirling together in his brain to make for a chaotic and glorious experience that pushed every bit of him to the limits of his endurance. Now he was actually glad he wasn't able to get hard for the time being, the extra space available to Tuli was certainly making it easier for that thick cock to smash into him. He could feel Tuli's shaft punishing his own, which easily conceded in its flaccid state, taking a fair bit of abuse but providing another rush of nigh-torturous pleasure to him.

At this point, Tuli needed no extra encouragement to give it his all, he was lost in the pleasure of rutting his lover, even in the slightly unorthodox manner. He was giving it his all just as Aspen had wanted, pounding fiercely into that tight slit and letting out low growls, the pinned lizard below him able to do nothing but take what he was giving. He hadn't heard anything to validate his concerns, which made it easier and easier to stay deep in that lusty mode and enjoy the incredibly tight sensation around his cock, the spasming and clenching that worked him into a frenzy, the delightful wetness that hissed and spat as it soaked his shaft, a mix of his fluids and the rapidly-vaporizing ones Aspen emitted. It was a lot wetter of a passage than the Treecko's rear was, despite the heat rapidly trying to change that...against all odds, it felt absolutely incredible, and he was definitely starting to see the appeal from his side of things. Perhaps it wouldn't be as hard to convince him next time, at least if Aspen was all right afterwards...

His throbbing cock seemed to agree, and Tuli started to buck harder as he felt himself barrel towards the finish. A brief moment of concern for the intense heat of his seed in such a heat-sensitive area was quickly dismissed in the rush, and Tuli gave it his all as he pounded hard into Aspen's slit, preparing to give the Treecko a finale he wouldn't forget. He was so close, just a little bit more...a powerful spasm from the Treecko's body clamping down on that intruding cock provided the last trigger, and Tuli drove in once more and cried out as he came, pumping a load of blazing lava into that tight crevice. The fluid quickly became locked in a tight battle with physics, finding precious little space to gather or escape, and so it made space for both, stretching deep into Aspen's slit flesh and forcing its way out, making sure that searing heat touched every bit of that slit that it could all at once.

It was the breaking point for Aspen, who felt the sudden flare inside him, and then sank into blissful insensibility, consciousness rent from him for the time as his mind gave from sheer overload. His body continued to jerk and squirm and writhe in response to the excessive stimulation, squeezing around that cock and pushing out that infernal fluid that tried to collect in him, his own having run well dry by this point. He was flushed, a heat pouring through his body and making him sweat a lot of sugary beads as he laid there in a total blank fog, caught halfway between awareness and the void.

It took Tuli a while to notice that Aspen was in this state, but once he did, concern for his partner took precedence. He pulled out of Aspen's slit, letting much of the rest of his seed jet out from it, the remainder drooling out more slowly as he took Aspen into his arms and held him gently, trying to rouse him. The Treecko didn't look injured, but the blankness in his gaze definitely brought a bit of anxiety to the Charmeleon, who was worried that he'd overdone it. Aspen had talked about being pleasure-zonked, he could only hope that this was it and he'd be back soon enough...

It took a while, but Aspen finally roused. His head was still in a whirl, his body a sweaty and sticky mess, limbs hanging like dead weight, his slit ached and burned, his loins were up in arms, he was out of breath and his voice was scratchy...it really was as good as it got. He managed to crane his head up to look his worried partner on the eye, giving him a slightly delirious grin. "Heeeey...that was a fuckin' RIDE."

"Aspen!" Tuli's voice was soaked with relief. "I thought I'd...gone way too far..."

"You did, and it was awesome. Everything I hoped for...WOW, that's nuts, my head is...SO loopy. I guess this is what they mean by fucked silly, eh?"

"Do you think you'll be all right?"

"I'll be fiiiiine. It'll be sore for a bit, probably won't close up for a couple days, but you know me, I'm pretty tough. That was SO much fun! Definitely don't wanna plan anything afterwards for a bit, though...hoo, wow, I'm wiped."

Tuli sighed, shaking his head with a resigned smile on his face. "Sometimes I feel like you think you're a tiny titan. It wouldn't have this effect if you'd waited, though...I don't know why you insist on pushing this rather than waiting for your evolution, you know I'll have no problem with that."

Aspen shifted a bit in Tuli's arms. "Well...there's a reason for that."

"What is it?"

"Well...hrm. It's...because...well, I...I don't want to evolve."

Tuli looked down at the Treecko in shock. "Wait, what? But...you've talked about it with others, I've heard you, you always seem to be making big plans and stuff for when it happens!"

"Yeah, I know, but...well, that's all just trying to deflect, you know? Because I'm not sure they'd understand, most of them can't wait to evolve. But...I like the way I am. I like being the size I'm at. I...well, I'm not really sure how comfortable I am with the thought of changing so much. I've never really felt the same way about it that others did, but more and more I've felt against the idea. And I don't wanna be a downer or create doubts in other people just because of how I personally feel, so I just...kinda go along with the conversation, though really it's just all stuff I think I could do as a Treecko anyway."

"Gosh...I never knew..."

Aspen shook his head. "I didn't want you to. Not until I was sure I was really ready. That's why I wanted you to do this...because I wanted to prove that I COULD do it as a Treecko, 'cause that was the last thing standing in my way. If I can get slitfucked by you like this, then the one last incentive I had to evolve is irrelevant. Now I can say for sure I don't want to evolve and have no reason to."

"I see...I understand now." Tuli tilted Aspen up and pulled him into a hug. "Your reasons are your own, love, and I won't question them. If you want to stay like this, you'll have my full support. And...well, I'll get over my hang-ups, since I know you can handle it, too, and I'll make sure I give you what you want when I can."

"I know you will, and I love you for it." Aspen reached up and patted Tuli on the side of his face. "And that'll start with an encore tomorrow up on the ridge, right?"

"Tom...a-are you sure? Shouldn't you wait a couple days? You're pretty, uh, wide down there right now, and you still barely look like you can walk..."

"Bah, that'll just mean I'm a little looser for you. Not that it should matter that much, huge as you are. And I should be back to fitness after a bit, though you're probably gonna have to carry me down after we're done tomorrow." This clearly did not assuage Tuli's doubts, so Aspen gave him a quick peck on the snout. "I'll back off for a bit after this, I promise, but I was really set on getting zonked with a view. You'll be up for that, won't you?"

"Ah...I doubt I could talk you out of it. Even if you're staying a Treecko, you're still gonna be bold as a bigger 'mon, aren't you?"

"Yep. And you'll be there to catch me when I get punted, right?"

Tuli couldn't help but chuckle a bit at that. "Well, whenever I can be, anyway. You'll just have to make sure you don't get punted too far away."

Aspen stuck out his tongue at the bigger lizard. "No promises."