Chapter Text
Rick would like to think he was at a point of adventuring where he didn’t have to constantly watch Morty. They had gone through a lot, Morty had fucked up a lot. But despite what people may say, Morty wasn’t actually an idiot. Everyone was capable of learning. And when it came to dangerous situations, Morty learned faster than most. So, again, Rick would like to think that he didn’t have to watch Morty’s every single move, but even he was wrong sometimes. He had turned around to tell Morty not to touch the ominous glowing goo under any circumstances, admittedly something he probably should have mentioned long before now, only to see the boy stumble over his own two feet and plant face first onto the ground. Thankfully he caught himself with his hands instead of his chin. Rick hated having to regrow the boy's teeth. Unfortunately his left hand had landed directly on the edge of the goo River, pinky finger dipping just below the surface.
Rick internally groaned at the chaos he knew was about to ensue. Sure enough, before Morty could even drag himself to his feet, he was screaming in agony, desperately clutching at his midriff. Rick scrubbed a hand down his face in frustration and glared at the boy writhing on the ground.
“R-R-Rick! Something is hap- something’s wrong!” Morty said, hands flying to clutch at his own groin. His eyes widened, fear etched across every inch of his face. It gave Rick a pretty good idea about what was happening. The goo had many side effects, and there was no way to go around picking and choosing which one you got, making it effectively useless to Rick. But at least Morty was getting saddled with one of the easier to fix ones, albeit the most painful.
“I told you not to touch!” Rick lied. Morty was too busy squirming and howling to call him out on it. “Relax, Morty, it’ll be over soon.”
Sure enough a few long moments later Morty’s contorted body relaxed a hair, the screaming turned to whimpers, and the glazed terror in his eyes faded to a mild hazy panic. Rick squatted down to grip the boy's shoulder, shaking him slightly. Morty’s body flailed limply.
“Are you done overreacting?” He asked, admittedly overly harshly. Morty stared up at him with shaken, watery eyes. “Take off your pants, I-I have to see- gotta inspect the damage.”
“D-D-Damage?” Morty practically squealed, clearly worried for his prized jewels. Rightfully so. Rick could only imagine the pain he had felt. Again, Morty wasn’t dumb, he could put two and two together. But then again, severe penis pain and the word ‘damage’ would terrify anyone.
Envigored with terror, Morty pawed at his pants, hastily kicking them off, then his underwear. It wasn’t the first time Rick had seen Morty pantsless, and he was sure it wouldn’t be the last. He had seen Morty naked far too many times to be considered normal, but because of that he knew exactly what the boy's pubescent body looked like. And it wasn’t supposed to have a vagina. Morty’s fingers brushed across the newly thickened patch of pubic hair, dipping down past the point where his dick would be, and straight into the newly formed slit.
“What the fuck is that, Rick?” Morty asked, voice practically reaching supersonic levels. Understandably, since his penis was gone. A good Grandpa would console him first, then assure him it was a fixable problem. Instead, Rick tried to lighten the mood the only way he knew how.
“It’s a vagina, Morty. I thought you knew what those were.” Rick rolled his eyes.
“I know what a- why do I have it?” Morty asked, staring down at it in shock. He used his index and middle finger to spread the lips apart, showing off the glistening pink within. Rick stood up, averting his eyes. He walked to the goo and carefully collected a sample. He’d need it to assist in reversing the effects.
“Ominous goo.” He said, shrugging even though Morty was no longer paying attention to him. “Don’t worry, I can fix it.”
“Great.” Morty said. Then a moment later, “D-Do you need your lab for that?”
“Yes.” Rick pocketed the near indestructible vial, then turned to face Morty, who was still eyeing his new genitalia curiously, like the hormone riddled teen he was.
“Do you think-can it wait a little bit?” Morty asked, finally peeling his eyes off his mound to stare up at Rick with pink tinged cheeks and blown out pupils.
“Oh sick, you little freak. Are you getting off on this?” Rick accused, already knowing the answer. Morty was always a horny little bastard, of course he’d be into having a cunt.
Morty’s face flushed a deeper shade of red and only now did he think to cover himself with a hand. “C-c-come on, Rick. When am I ever going to get to experience this again? Haven’t you ever wondered what it would be like to have a vagina?”
“Bloody and miserable.” Rick told him honestly.
“I don’t want a period! I just wanna… you know…” Morty’s eyes flicked to the side, pointedly not looking directly at Rick as he made a hand gesture that was clearly a weak attempt at miming masturbation. Which was fair. Even Rick had thought about that before, but ultimately decided the logistics were too great for that kind of task. Besides, he had more than plenty of fun as is. Had the rolls been reversed Rick would absolutely be trying the same thing Morty was suggesting. Hell, he’d probably be whoring his way up and down this entire side of the galaxy before changing himself back. But he wasn’t about to suggest that to Morty. He’d just let the boy handle himself.
“Fine, you little- you little pervert. Go.” Rick shook his head as Morty scurried off behind a nearby tree.
Rick folded his arms across his chest and leaned against the tree closest to him. A tree that proved too close to Morty, because he was suddenly privy to the faint slicking sound of a wet pussy. Ignoring the sound of Morty fingering himself, Rick took a few steps back and leaned haphazardly against a different tree further away. Just out of hearing range. Not that it mattered, Morty was such a horny little freak that he’d probably be done soon anyway. So Rick waited.
He did his best to occupy himself and not think about what Morty was doing. This wasn’t the first time the boy had jerked off near him, and by now Rick had a half-assed system to keep busy. It never took too long anyway. He checked his portal gun, the vial of goo in his pocket, did an extra thorough internal scan to check for any wear and tear on his many modifications, checked his interdimensional phone, added to the notes app the ‘ingredients’ he needed for his latest idea. Then he waited some more.
Usually Morty didn’t take this long. But hey, if he was trying for seconds Rick couldn’t really blame him. Supposedly the best part about having lady parts was the multiple orgasms. But Morty was young and virile and could probably go multiple rounds anyway… And Rick wasn’t going to entertain that thought any further. He simply closed his eyes and vegged out.
And when that got too boring to handle Rick sighed long and loud before slowly counting to three hundred. Then, and only then did he let himself get frustrated. What was taking so long?
“Alright, w-wrap this up, Morty. Grandpa’s ready to go.” He called.
Morty was quiet for a moment, then, “I-I-I need a few more minutes.”
“It’s been like forty!” Rick lied. He sure as hell hadn’t been timing it, but that felt about right. Or maybe that was just the sheer boredom talking. Either way he was done waiting around. “Quit flicking your bean and let’s gooooo.”
“I’m not going until- I just want to- I-I-I need to cum, Rick.” Morty said, voice dripping with desperation.
And that… that caught Rick’s attention in a bad way. The way that made his insides tingle and his dick twitch to life. The way that had him opening his flask and chugging before he could even think of a reply. The way that made him want to box all these feelings up and bury them deep within himself with all the other precarious situations he’d found himself in with Morty. Instead Rick did what he did best, he lashed out.
“I thought you were trying to see how many times you could. I didn’t realize- didn’t know you had no clue what you were doing.” Rick gave an exaggerated laugh, poking fun at the boy. Then, to add insult to injury he continued. “I feel bad for um, uh, Planetina.”
He dug the name from somewhere deep within him. Morty had skipped out on a grand old planet hopping sexventure for her, and it had pissed Rick off to no end. He’d been determined not to know her name, or anything else about her only to have that attempt thwarted when Beth drunkenly reamed him a new asshole for not stepping in and saving her son from a predator. And that had struck a nerve with Rick for many, many reasons he didn’t want to dwell on.
“Don’t bring her into this!” Morty said angrily, finally stepping out from behind his tree. Rick wished he hadn’t. His face was tinged pink and covered in a thin sheen of sweat, making him look fucked out in a way that had Rick’s cock twitching once more. The hem of his shirt did little to cover his pussy, which now looked blatantly played. Rick could see the hairs along his slit wet with Morty’s juices, glistening and curling more than the rest. “I know what to do with other people. It’s just different when it’s myself I guess. I’m not accustomed to masturbating this way.”
Rick could understand that in an abstract sense. But he’d still like to think it was a skill issue. Surely if he had been in Morty’s situation he’d be able to orgasm by himself just fine. Except Rick hadn’t wanted to do it alone, he’d automatically thought of going to the nearest habitated planet and seeking help. Like Hell he was going to go drive Morty around to get laid, though.
“So I’ll just get your penis back and you can go home and jerk it as much as you want, buddy.” Rick taunted. “Since you know, you’re an expert with cock or whatever.”
“Fuck off, Rick, I want to do it like this.” Morty said, gesturing toward his pussy that was still on full display. Like Winnie the Pooh. “And you’re not helping!”
Rick knew he meant ‘helping the situation’. He knew that. And yet he couldn’t help but latch onto the idea.
“If-if you wanted help all you had to do was ask.” He offered in a nonchalant way that he definitely didn’t feel. “Because unlike you, Morty, I actually know what to do with a pussy.”
“I know what to-” Morty cut himself off with a sigh of frustration, most likely figuring the argument was futile at this point. “That’s sick, you know. I’m your grandson.”
“Morty we had an orgy with your sister and a bunch of dragons, but this is where you draw the line?” Rick scoffed, rolling his eyes dramatically. He knew it was more complicated than that. The whole dragon thing had been nonconsensual first of all. Plus it had been a large group of them. Somehow that made it seem less offensive. Even if it had happened with both his grandchildren rather than just one. At least it hadn’t been hands on. Doing this with Morty now would be a willingly intimate act for just the two of them. It was sick and twisted and demented. Rick shrugged, like he wasn’t proposing something so earth shattering. “I don’t have all day, Morty. If you wanna cum then take off your damn shirt. If not, get in the fucking car.”
“Why do you need my shirt off?” Morty asked, taking a hesitant step toward Rick. He fiddled with the hem, as if contemplating it.
“Oh so you’ll let me eat you out but I can’t see your tits?” Rick asked, staring at the small mounds beneath the boys shirt, only just now noticing them. He’d been too preoccupied with both looking and pretending he definitely wasn’t looking at Morty’s pussy before. But there they were, perky nipples prominently on display beneath the fabric. He was probably barely even an A cup, but they were definitely a handful more than the boys usual flat chest.
“My-you’re gunna-what?” Morty stumbled over the words, face flushing a deep shade of red. Only then did he look down at his chest, seemingly now just noticing his pert breasts. Morty was definitely a tit guy, so it spoke wonders to how invested in his new pussy he had been to miss the new development on his chest.
“Morty, you have thirty seconds to make up your mind before I head back to the car.” Rick told him as he took off his lab coat and tossed it to the ground. “Lab coat, activate mattress mode.”
The coat expanded into a thin cot. Long enough to fit Rick’s full height and thick enough to keep him from having to lay directly on the ground. It wasn’t very comfortable, but it had its uses. He probably wouldn’t sleep on it long term, but it was good for a quick hookup. And let’s face it, his knees weren’t getting any younger, and a flatbread mattress would be easier on his joints than a forest floor.
“Why does your jacket do that?” Morty asked, coming to stand beside the bed. He fiddled with his own shirt, as if still deciding whether he planned on taking it off or not.
“You think this is the first time I’ve fooled around in the woods?” Rick shook his head. He was nothing if not an opportunist.
“Aw geez, Rick, I-I don’t know. Do you really need my shirt off, too?”
“I have a method. Shirt off, lay on the bed.” Rick said firmly. Then, thinking with his head instead of the lecherous part of his mind that he normally kept hidden away under tight lock and key, he added in a softer tone, “Or we can just go home.”
Morty shuffled from foot to foot for a long moment before stripping his shirt off and flinging it toward his long forgotten pants. Then he laid on the bed, looking stiff but not quite uncomfortable. He stared up at Rick with big doe eyes and Rick’s stomach churned.
“Y-you can close your eyes. You know, if that makes you more comfortable.” Rick said. In truth Morty’s eyes were normally beautiful in a way that made them almost hard to look into. Right now they were beautiful and needy. That was a dangerous combination that made Rick feel weak and tingly.
“Oh yeah. Right.” Morty mumbled, shutting his eyes tight.
Rick peered down at the boy, taking a good long hard look, doing his best to commit it to memory. Small, perky breasts, a flat expanse of stomach, and a perfect little pussy covered in a patch of curly brown pubic hair. Rick couldn’t wait to get his hands on it. Unfortunately, Morty seemed far too stiff and uncomfortable for Rick’s liking. He was supposed to be helping Morty achieve the totally normal and realistic goal of having an orgasm as a girl. This was about Morty, not about Rick and his sick, twisted secret desires.
He lowered himself onto the mattress, thankful that its small size meant he had to practically press himself into Morty’s side. He trailed his finger tips along the boy's navel, clocking the way goosebumps broke out all over his flesh.
“Just tell me if you want to stop.” Rick said softly, leaning in to kiss Morty’s neck. Morty jumped at the contact, hand immediately flying out to cling onto Rick's shirt. He held him tightly, neither pushing him away or pulling him in. Rick took it as his sign to continue placing soft kisses along the boy's neck. Up to his ear, softly sucking at the lobe in a way that had Morty gasping, then back down his neck to his collar bone. Rick placed a semi hard bite there and Morty groaned, letting a hand fly down between his legs. Rick caught it just before Morty made contact with his own clit and pulled it up over his head with one swift motion.
“No touching. You lost your chance, Morty. M-my turn now.” Rick told him, threading his fingers through Morty’s own, and leaving both their hands above Morty’s head as he continued his assault of kisses down the boy’s chest.
Rick licked Morty’s left nipple, slowly circling it with his tongue. Morty moaned, arching into the touch. He sucked the hardened numb gently and kissed it once more. Then he played with it gently with his tongue. Licking and kissing and sucking until Morty was writhing beneath him. Eventually he moved onto the right nipple, exerting the same treatment as the left one had received. Morty moaned and squirmed, and squeezed Rick’s hand where they were still entangled above his head. His other hand still desperately clung to Rick’s shirt, trying and failing to pull him in closer.
Rick angled his body in a way that had his now erect cock not touching Morty at all. This wasn’t about him. It was about Morty. Making Morty cum. He slid further down the mattress, continuing his trail of kisses down the boy's bare stomach. So soft and smooth and the barest hint of chub. Rick wanted to bite it. So he did. Just a tiny little nip, and Morty was letting out a half laugh half moan noise that had Rick feeling dizzy.
“Hands above your head.” Rick said when he reached the point where it was no longer feasible to keep Morty’s hand pinned down. His limbs were long, but not that long. Morty obeyed, arm practically flying up to join the other one above his head.
Rick kissed further down Morty’s stomach, sucking marks along each hip. Morty thrashed and moaned, clearly trying and failing to stay still and quiet. Rick’s cock throbbed in his pants. He moved down the bed more, legs finally hanging off the bed when he’d gotten to his final destination. Rick ghosted a breath over Morty’s mound, watching him shiver in response. He grabbed Morty’s legs, spreading them so he could nestle himself in between. A hint of pink peeked out at him from the slight nestle of curls. Rick wanted nothing more than to dive in face first.
Instead he averted his attention to Morty’s thigh, giving it the same treatment he’d give the rest of him. Kisses, licks, nips. Even a trail of hickeys that practically had Morty howling. Rick couldn’t help it. His thighs were so smooth and creamy. Besides, no one would see a few hickeys there. It was the one place he could almost guarantee it.
“R-R-Rick, please.” Morty’s voice sounded absolutely fucked out. Rick’s cock throbbed again, uncomfortably tight in his pants.
Rick ignored the plea, and kissed along the boy's mound. He’d seen Morty naked enough times to know this was an unusual amount of pubic hair for him. It was normally much sparser, less curly, and shorter. Rick had a few guesses as to why it had changed in the way it had, but none of them made him feel any better about what he was currently doing. So he ignored it, instead choosing to focus on how soft the hair actually was. Rick had always been a fan of a bush if he was being honest. And Morty wasn’t quite there yet, but it was a nice effort.
“Please, what?” Rick asked, keeping his voice as normal as he could. He didn’t plan on letting Morty know just how much he was affected by all this.
“I need more, Rick. Please, please.” Morty begged, pushing his hips toward Rick’s face.
The boy’s wet slit brushed against his mouth, and finally Rick snapped. He dove in tongue first, licking a stripe right up Morty’s clit. And Morty made a noise that Rick knew would be seared right into his brain for the rest of his miserable existence. A moan so broken and needy that it had Rick twirling his tongue around desperately trying to replicate it. Morty didn’t disappoint. Every noise that fell from his lips was music to Rick’s ears.
Small hands fell to Rick’s head, threading through the hair there. Rick was half a second away from reprimanding Morty over not following simple instructions. Except when he looked up at the boy, those big doe eyes were peering down at him with huge blown out pupils. Morty’s face was a mask of pure pleasure, pink cheeks, red lips from where he kept biting his moans back, and a look of utter bliss. Rick’s eyes locked onto his as he snaked his tongue along Morty’s wet folds, licking up all the slick gathering there.
“Oh fuck, Rick, I think I’m gunna cum.” Morty said, tugging Rick’s hair tighter. Rick groaned into the boy's pussy. He wanted to say something snarky like ‘you think?’, but decided to show mercy instead. For one, Morty had a death grip on his head and he wasn’t sure he could pull off without brute force. Secondly, maybe the sensation was just different enough from ejaculating with a penis that Morty genuinely wasn’t sure. He’d heard some women say they had to focus to fall over edge before, but couldn’t personally vouch for how true that was. Maybe that’s why Morty had been having such a hard time on his own. Then, Morty was cumming. Spasming and twitching and clenching down on Rick’s head with his thighs. Rick sucked his clit through the orgasm, licking and swirling his tongue until Morty’s hands started pushing him away.
“Too much!” He said hoarsely.
Rick pulled off just enough to talk, resting his head on Morty’s thigh for a moment. “Morty, the-the best part about being a chick is the multiple orgasms.”
Morty’s eyes went wide at the thought. “I can’t, Rick-”
“Morty, Morty, when- when are you going to have the chance ever again?” Rick cut him off, throwing the boy's words back in his face. Truth was Morty was a virile teen and had days where he jerked off back to back. Rick shouldn’t know it, but he did. But Morty didn’t know that Rick knew. So the offer to help him get off a second time may seem like a genuine unique experience. In reality Rick was just being a fucking pervert. He wanted to keep eating Morty out until the boy physically couldn’t go any more.
“Oh wow I, um, I guess. But you don’t have to, if you don’t want to.” Morty said sheepishly, a hint of embarrassment creeping back on his face.
“Morty, if I ever tap out of eating pussy, put a bullet in me.” Rick said before he dove back in.
This time he probed farther, paying more attention to Morty’s hole. First with his tongue, until Morty was relaxed and loosened just a little, then his fingers. One at first, which was incredibly tight. Morty’s hole clenched around him and Rick fucked his long digit in and out as he continued to lick at Morty’s clit. The boy moaned and trembled, one hand playing with his breasts, the other still fisted lightly through Rick’s hair. One finger turned to two, and Rick curled them up, searching for Morty’s G-Spot. He knew he found it when Morty’s legs clenched around his shoulders and he shot upright in shock.
“I think I need- I’m going to pee, Rick.” Morty told him, trying and failing to push Rick out from between his legs. Rick let his clit pop out of his mouth, a thin string of spit and Morty’s own fluids connecting him to the boy for a moment before it snapped.
“That’s just your G-spot, baby.” Rick said, letting the pet name slip. Instead of backpedaling and calling more attention to the mistake, he barreled through instead. “You’re not going to pee, but you might squirt. That’s got to be some sort of record. Some girls don’t even achieve that in an entire lifetime. That’s realllllly stroking my ego.”
“Squirt is just pee!” Morty said, scrambling backwards, away from the onslaught of Rick’s fingers, until he sat at the top of the mattress. His legs were still spread wide, pussy on full display, looking slick and puffy and pink. Rick wanted to get his hands back on it. His mouth. His cock throbbed in his pants, not used to being such an afterthought. Rick got on his hands and knees and crawled up toward Morty.
“Not a big deal, I have extra clothes in the cruiser.” Rick told him. He wasn’t about to get into the age old argument of whether squirt was actually piss or not. Frankly, it didn’t matter. He was in no position to argue with whatever fluids Morty’s body deemed fit for him to have. “D-Don’t even worry, Dawg.”
Morty opened his mouth, most likely to argue, because he just loved doing that for some reason, only to go slackjawed as his eyes drifted over Rick’s body. He stared at the older man kneeling between his legs, dazed and clearly surprised. “Are- are you hard?”
Rick could have fucking laughed. He’d just been playing with Morty’s pussy for god knows how long, of course he was fucking hard. His dick ached and throbbed and he’d been pointedly trying to ignore it before he did something embarrassing like hump the mattress until he came in his pants. But now, kneeling between Morty’s knees, the bulge straining against his pants was obvious. As was the wet spot forming at the tip where he’d even started leaking through the cloth. He felt far too called out on it.
“Of course I’m- no fucking shit, dumbass. I love pussy.” Rick half lied. He did love pussy. And dick. And ass. And just about every other form of genitalia he’d come across in space with very, very few exceptions. Rick probably would have been hard doing something like this to any partner. But he was this hard because it was Morty. Morty’s moans and whimpers and sighs. Morty’s little hands tugging at his hair. Morty’s thin but sturdy thighs wrapping around his head. Morty’s tiny hips pushing themselves up into Rick’s mouth. Morty’s wet, dripping cunt begging for more. “I’m a-a goddamn pussy connoisseur. Don’t think about it, Morty. Just lay back down and let’s see how far you can squirt. The mattress is waterproof-”
Rick paused as Morty’s legs snapped shut. That was definitely not what he had been trying to achieve. Clearly Morty wasn’t into squirting the way Rick was. Which was fine. Rick was nothing if not an adaptive lover. In fact, that was the only area in his life that he ever accepted any constructive criticism. That’s why he was so good at what he did. He had a lot of trial and error. If squirting wasn’t Morty’s thing, then he was more than happy to go back to sucking the boy’s clit like his life depended on it. He was about to voice that when Morty spoke again.
“We can, uh, we don’t have to- to ignore it. We can like… Um…” Morty stumbled over the words, clearly having a hard time getting them out.
“Use your big boy words, Morty.” Rick lightly mocked as he sat back on the balls of his feet, still kneeling in front of Morty. Upright like this his erection looked even more prominent, bulge straining obscenely against his thigh. Morty stared at it, transfixed. “There’s a lot of things we could do. You’re going to have to be more specific.”
Morty turned cherry red, eyes flicking up to Rick’s, then nervously around the empty forest before finally landing back at Rick’s crotch. He took a deep breath as if to steady himself.
“Well, it’s just that… When am I ever going to have a vagina again, ya know? And since you love pussy so much, and I have one, I was thinking that maybe we could have s-s-sex. If-if you wanted to...” Morty said in a strained voice, trailing off as he picked nervously at the grass where his hand had fallen to the ground, refusing to make eye contact.
Rick wanted to argue that what they were doing already counted as sex, that it didn’t have to be penetrative to make it count any more than it already did. But he supposed Morty’s choice of words had been for clarification purposes, and that he had technically asked him to be specific. He guessed the wording didn’t matter, not when Morty was asking to be fucked. His cock twitched and leaked at the mental image of being fully sheathed inside Morty. And fuck, Rick wanted it so bad. He hadn’t let himself consider the possibility before, but now presented with the option he wanted nothing more than to plow Morty’s tight little hole until he came all over his cock. It was such a depraved thought. But he himself had just said that sex was so much more than penetration. They had already crossed the line. They were so far past the line that it wasn’t even funny. He’d already had his tongue and his fingers deep inside of Morty…. What was one more bit of himself? A lot. But Rick could feel the rational part of himself shutting down.
“Yeah. Ok.” He said, unbuttoning his pants. He pulled them down along with his underwear just enough for his dick to spring free. It looked red and angry and glistened at the tip from the precum it had been leaking for so long.
“Oh. Wow.” Morty said in a tiny voice, staring at it with wide eyes.
“Not sure you’ll be able to handle all this.” Rick said. He had meant it as a question, because Morty had a peculiar look in his eyes. Definitely not fear, but something else. But as he began saying it, the words formed themselves into a statement as he realized just how big he was compared to Morty. His dick seemed more massive than normal in comparison to the boy’s tiny frame.
“F-fuck you, Rick. I can take it.” Morty said determinedly, looking up at him with those god damn doe eyes. Rick’s cock throbbed at the sight. No way he could handle looking at those beautiful brown eyes while he was buried inside Morty. Not without doing something stupid like kissing him, or worse, saying something sappy and mushy. He was already holding back as much as he could, those eyes would push him over the edge of really fucking things up.
“Then get on your knees. Face down ass up.” Rick told him, picking the position for the simple fact that he wouldn’t have to look into Morty’s eyes while he fucked him. Plus, his mouth would be too far away to accidentally kiss. It was perfect all around. Absolutely foolproof.
Morty scrambled into position, getting on his hands and knees in front of Rick before stretching out like a cat. He pressed his face into the mattress, arching his back in a sultry way. Rick stared down at the boy hungrily. He’d been a fucking idiot to think this position was safer than missionary. Now he had a perfect view of Morty’s pretty little asshole. Rick slid his thumb from Morty’s clit all the way to his perfect ass, letting the boy's fluids lubricate the digit. He circled the hole, gently pressing in only to be met with great resistance. So fucking tight.
“You ever play with this thing?” Rick asked, unable to help himself from picturing it.
“N-No.” Morty whimpered as Rick pushed his thumb in deeper.
“You should try it when you get your prostate back. It’s a game changer, Morty.” Rick sunk his thumb fully into the boy’s ass as Morty squirmed at the intrusion. He let his other fingers fall to the side, gently squeezing at the cheek.
With his other hand he guided his dick to Morty’s pussy, rubbing it up and down his slit a few times. Morty whimpered again, pushing himself back in an attempt to sheath himself on Rick’s cock. And who was Rick to deny him that? He lined himself up with Morty’s dripping hole and pushed. It was hot and wet and so tight that he knew this was going to be over embarrassingly fast. Morty’s body inched away, no doubt because the intrusion had been more uncomfortable than he’d expected, but Rick used the leverage he had on the boy’s cheek and hole to pull him back in place. Rick’s cock slipped further inside and he groaned at the sensation. So fucking perfect.
“Aw geez, Rick, you weren’t kidding about how big this thing is.” Morty said in a strained voice. Rick wanted to gloat about it. About how big his dick was. About how he’d been right that Morty couldn’t handle it. Instead he decided to throw him a bone. He dropped his hand from the base of his cock onto Morty’s swollen clit and started to massage it as he continued his grand entrance into the boy’s extremely tight pussy. Morty moaned, fingers digging into the mattress in an attempt to hold on for dear life.
“I would never joke about that, Morty.” Rick said as his hips came flush with Morty’s backside. Cock fully sheathed within his cunt, and thumb pressed deep into Morty’s ass, both holes squeezing him so tightly it almost hurt. “B-but you have to consider this as well… this is a virgin pussy, Morty. It-it’s never been used before. Just my tongue and my fingers. It’s so fucking tight, Morty. You’re so tight for Grandpa.”
Morty let out a long high pitched moan as Rick began to thrust. Slowly at first, using the hand in Morty’s ass to basically fuck the boy back into himself. His other hand was busy rubbing at Morty’s clit, and the angle wasn’t exactly easy, but Rick figured it would make this experience more enjoyable. The last thing he wanted was for Morty to feel like he was being split in half the entire time Rick was using him like a glorified cocksleeve.
“R-Rick, do I have- do I have a cervix?” Morty asked breathlessly.
“P-probably.” Rick told him. He wasn’t about to scan him and find out, but the sex change had seemed to be complete so far, he didn’t see why this one bit of the female anatomy would be left out. “Why?”
“I think you’re hitting it.” Morty moaned again, pushing himself back into Rick’s thrusts like he wanted more. Which was a good thing. Rick knew hitting a cervix could cause pleasure or pain depending on the individual. And it’s not exactly like he could make his dick any smaller to avoid touching it.
“You like that, baby? You like having my cock so deep in you?” Rick asked, fucking into Morty impossibly deeper. Deep, slow thrusts that had Morty screaming out Rick’s name.
“Fuck yeah, Rick, it f-feels like you’re in my guts.” Morty moaned, fucking himself back onto Rick’s cock with vigor.
“Yeah, I-I-I’m gonna rearrange those guts, Morty.” Rick said. As if Morty’s guts weren’t rearranged enough as is. As if Rick hadn’t actually rearranged them surgically on occasion before for one reason or another. He fucked into Morty faster, finding it harder and harder to hold back. “You feel so good, Baby. So fucking perfect.”
“Oh, I think I’m g-gonna cum again.” Morty whined, body tensing all over. His dripping cunt gripped Rick’s cock like a vice, squeezing over and over, clenching around him in a way that had Rick seeing fucking stars. Rick fucked him through the orgasm, rubbing his clit until Morty started squirming away from the touch.
Then, and only then, did Rick start chasing his own orgasm. He knew he wouldn’t last much longer. Just a few more thrusts, significantly faster and rougher than before. He pulled his thumb out of Morty’s ass, moaning at the way the boy’s hole fluttered at the sudden emptiness. Rick grabbed Morty’s tiny waist with both hands and pistoned his hips into him, fucking him with fervor. The sound of wet slapping echoed loudly through the forest, spurring Rick on. His orgasm took him by force, so suddenly he didn’t even have time to warn Morty. Or pull out. He just emptied his balls into the boy’s pussy, ignoring all the implications that came with that. Oh well. That vagina would be long gone before any… lasting consequences could come from a surprise creampie.
Rick pulled out, watching in awe as a glob of his own semen dribbled out of Morty’s hole. He had half a mind to shove his face in and lick it up. To tongue fuck Morty’s hole until it was in clean, pristine condition. But Morty had other ideas. He collapsed in a heap, trembling all over, breathing far too deep for Rick’s liking. And… maybe Rick had taken things too far. Well, of course doing anything sexual with his own grandson had been too far, but ignoring that glaring detail, Morty had gone through a lot. An intense, excruciating, unwanted sex change, followed by a long edging session, then Rick had his vile, filthy way with him, and gave him two orgasms and dicked him down hard enough that he probably bruised his cervix. Morty clearly needed a break. And a nap. And probably a juice box, too, if Rick still had some kicking around the cruiser.
“C-come on, Junebug. I have some wipes to clean up with in the car.” Rick said softly, already knowing by Morty’s disheveled state that he was probably going to have to carry the boy there himself.