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I Hate You, Cousin!!!

Summary:

Naoya is SO pissed he got bitched by his older cousin Toji... but toji just sees this as an opportunity to finally mark and mate his cute preteen boyfriend

Notes:

NAOYA IS 12 AND TOJI IS IN HIS 30s!!!! Also this is omegaverse, for the love of God if you dont like ts LEAVE.

Work Text:

"Fushiguro-samaaaaa!!!" Naoya's almost annoyingly adolescent voice screeched outside of Toji's room before the paper door was flung open; tears in Naoya's eyes, puffed up red cheeks, tiny fists clenched. For being 12, he was still so goddamn cute when he was pissed.

"What is it this time, pup?" Toji teased, causing naoya to get even angrier before he stepped in and closed the door behind him. "Look at what you did to me!!" Naoya whined, stepped close to his much older cousin and dropping his Hakama pants.

Toji could immediately smell a much sweeter, citrus like scent from him, much different than his usual pheromones.

Naoyas little dick was hard, foreskin strained over the crown, looking as if he was mid jerk before coming here. "Were you thinking of your dear Itoko, naonao?~" toji teased again, placing his hands on naoyas thighs; he could also notice a slight stickiness between the young boy's thighs. "N-No!!- well- whatever- thats not it!!!" He wrapped his fingers around the base of his little thing, lifting his shirt. "My knot! It's not- its not happening anymore! And my butt feels tingly and weird when I touch myself." Naoya whined even more, fists balled on the hem of his shirt.

"You-you bitched me!! I hate you, Toji!"

The older cousin felt his dick twitch in his pants at that declaration. Holy shit... he turned his adorable little alpha fucktoy into an omega.

"Oh, cmon naoya. You're the one that gets so drunk grinding against my knot. You should've seen it coming." Toji had a shit eating grin on his face, squeezing naoyas thighs and leaning a little closer. Naoya had more tears in his eyes, and went to smack toji, but his arm was swiftly snatched in his cousins much larger and stronger hand. "Dont go trying to hit me cause you love my dick."

Naoya just made an angry noise, sniffling and looking away. "Dont be like that, baby...~" toji rubbed his thumbs over Naoya's thighs then placed a kiss where his pelvis met his thigh. Holy shit, this boy was always so soft... and with his nose right next to the needy shaft bobbing up and down, toji could clearly smell his little cousins newly manifesting pheromones. They still held a scent of alpha to them, but it was clear that would be overridden by the end of the month. "Mmm... so cute, you smell so good, Itoko... please dont be mad at little ol me~"

Toji held a hand firm on naoyas thin yet squishy, smooth thigh while the other traveled back to squeeze his soft, still developing ass. He hardly even dipped them between the cheeks and his fingertips were already damp. "T-toji... d-dont you dare!" Naoya whined, trying to jerk his hips away; even putting his hands in tojis hair to try and push his head away. In turn, toji turned his head to drag his tongue over the soft length of naoyas little erection. "Mmm... but you smell like tangerines and strawberries, baby... I can even taste it on you~" naoya closed his eyes, shaking his head. "I-i dont care!!! Im angry at you!!"

What did naoya even expect? Coming in here, hard as a rock, wet as goddamn water, declaring he could get knocked up in a year or so if he didnt go into heat the moment toji fit his knot in that tight ass, and now had the gall to deny pleasure? Toji didnt need permission the first time he fucked his little cousin, he sure as shit didnt need it now.

Naoya cried more, half bent over tojis head, pulling at his hair and making little choked out whines and whimpers as toji sucked the small cock, two thick fingers rubbing at the little one's anal ring. "Gh-hgn-st-sto-aH-stop it t-tojiiii!!!" Naoya choked out, anger, disappointment, pleasure, and denial overwhelming the small boy.

Naoyas little dick was already on the verge of cumming, and his older cousins hot, skilled mouth was overworking him. "I-im gonna pee-t-toji-pleass-img-go-" naoyas was tripping over his words, choking on every syllable trying to jerk his hips out of tojis mouth - so when the older pulled off, allowing small dribbles of yellow to start dripping onto tojis yukata, he didnt expect nor want the large hand on his thigh to come grip his cock, hard, and press a firm thumb over his tip. Preventing him from relief of any kind.

Naoyas hands snapped to tojis bigger one, whining and babbling, his legs trembling and tears streaming harder. "Itoko-t-toji-to--p-plwa-GHghbanzz-p-p- plwas-pleas-eee!!" Naoya begged, his hips trying to jerk away, which only gave his little soldier more stimulation. The boy felt like he was about to explode, crying, begging, babbling, anything to try and get tojis hand off.

"Tell your big cousin youre sorry for trying to him, that youre thankful he bitched you." Tojis deep voice sounded like sandpaper in naoyas overstimulated ears. That shit eating grin made the younger want to punch him.

"Gh-i-iko-to-p- pleaese- i-im sorry!! I-il never t-twy to h-hit you again- i-i like being an o-omega p-pleass- please thank you- i-w-wannna peeeee!" Naoya sobbed, choking on his spit squeezing tojis wrist, his feet stomping in need and overstimulation.

Toji kissed naoyas cheek, letting go of his shaft and holding naoyas waist so he didnt fall. Naoyas body didnt know what to push out first, the cum or the piss, so his body opted for both. Spurts of cum too yellow and thin to be 100% semen or 100% piss. Naoya saw stars, letting out loud and still choked up whimpers and whines, limp in tojis hands. Eventually, the stream mellowed out to just piss, and by the time Naoya's bladder and balls were empty, he was drooling, legs wobbly and arms on tojis wrists.

"Awe... you got my yukata absolutely filthy." Toji huffed, letting naoya take a moment to regain the strength in his legs before moving his hands to support him as he sat back. "You made a damn mess, kid... you gonna clean it, or not?" Toji grinned again. Naoyas mind was mush, working on full autopilot. Snot, tears, and drool painted his face a beautiful picture of pleasure and overstimulation.

Soon enough, naoya was panting, on all fours with his back slightly arched while he licked his own release off tojis lap, sucking a little at the fabric in some parts, and licking especially around his throbbing cock. The boy didn't stop until toji grabbed his hair to pull his head up. "Good boy, naonao...~" he praised, pulling the ties of his yukata undone and letting it fall off his shoulders, letting the young boy before him get a view of his favorite body part, thick and hard as ever in soaked boxers. "These are filthy too." He pointed out; naoya got right back to work.

While naoya was licking and sucking at toji through his boxers, toji reached his hand back between naoyas soft ass, pressing two fingers against the sopping entrance. "Yeesh... piss and cum desperation has you soaked like youre in heat. Who knew such a young boy could be such a slut." He spat, pushing two fingers in right away to earn a whiny moan against his cock.

Tojis fingers slid in with relative ease, hes fucked this hole so many times he probably didnt neep prep... for the main shaft at least. He did however need help to fit tojis knot. It was always a struggle considering naoyas size. If it didnt hurt his hole, it hurt because it was pushing his hip bones apart.

The more toji fingered, the more he could smell the fruity strawberry-tangerine scent this bitched little omega gave off, making his cock throb against his boxers and the warm tongue of naoya. 3 fingers was where things got tricky, especially in this position, but it was better than having to jerk himself off while prepping.

Naoyas tongue worked to suck more of his own piss-cum cocktail from tojis boxers and skin, rocking his hips back against Toji's fingers. At least by now, his crying had stopped and his sniffles had lightened. He went to pull tojis boxers off, but was met with a rough hand grabbing his hair. "I didnt say you could do that yet, did i?" Toji spoke cold, a dark tone that made naoya wanna tuck his tail between his legs if he had one. "S-sorry, Itoko..." naoya muttered, his sweet voice and innocent glossy eyes brining a hard to suppress smile to tojis face. "Shit, kid... youre too cute."

Toji took his fingers out, fully taking off his yukata and having naoya stand with his feet either side of tojis thighs and hold his shirt up so he could lick and suck at naoyas soft, sensitive chest while he got out of his boxers and used a few fingers to swipe naoyas slick up and glide it across his cock.

Toji loved Naoya's body, but he loved seeing him swallowed in his baggy dress shirt and poncho-like overshirt while being fucked even more, so he didnt bother taking his upperwear off. "Come sit, babyboy~" toji pulled naoya close, kissing his cheek and bracing him by his waist.

Naoya knew what to do, he wrapped a hand around one of tojis wrists, the other coming down to hold the crown of his cock in his delicate fingertips. "I won't let you fall, cmon." Toji pressed soft kisses to naoyas neck, helping him lower down. It was always so sexy to see this cute little boy handle his larger cock, especially lining it up with that sweet supple ass.

Naoya whined as he started to sit, pressing himself down onto the thick cock in his hand. It felt... different now, before he could only feel the sweet pressure and his prostate, but now... naoya could feel everything. His ass felt more sensitive, he could makeout the exact shape of tojis tip, foreskin included.

"T-toji-sama-" naoya moaned, sinking down on his older cousin's cock. Toji groaned, pushing him down a little more. Shit... his insides being this wet with slick almost felt better than the first time he ever raped this kid when he was so tight and twitchy. Nothing could truly top forcing into a young virgin ass though. "Shit, nao..." toji bucked his hips up, pushing moans from the little omega in his lap.

Naoya moved his hands to press against tojis chest as he leaned against him, closing his eyes to let his body full take in this pleasure, especially when tojis tip pushed against his little prostate. The older put one hand behind naoyas head, the other gripping his plush ass as he started to really fuck into the boy. Naoya was drooling again, his spit dribbling over tojis chest as he let himself fall limp.

"Ah... this new little ass of yours is sucking me in like crazy." Toji groaned deeply, moving Naoya's hips up and down till he felt his knot start to form.

"I-Itoko...~" naoya moaned, nuzzling into toji. His cock was fully hard again, just barely big enough to rub against his cousin's abs for a bit ot nice stimulation. "Im gonna make you my mate, babyboy~" toji groaned, guiding Naoya's hips to ride him into his thrusts like a fleshlight. "B-b-wha-?!" Naoyas eyes widened and he whined. "The-the rest of t-the clan-!" "They can live with it. I bitched you. You're my little omega." Toji growled, burying his face down in Naoya's neck to lick and suck at the milky skin.

Naoya whimpered, feeling as his cousins base flared more and more, and toji pushed harder and harder. All the stimulation was driving him crazy, his crown in the dip of tojis abs, his ass being fucked open again with his nerves on fire, his innards started to flex, his whines growing more desperate. "W-what if t-they hurt y-you...? Cuz-ghn-!- i-i was supposed to b-be a st-strong a-alpha...?" Naoya whined out, pressing into toji more and arching his back into the thrusts. "They wont. If they try to take you... ah... from me... ill kill em."

Toji changed their position so he was on top of naoya, the younger's back on the tatami mats, and he grabbed naoyas hips hard. His knot ached, and he could see naoyas little cock throb and feel his innards twitch and convulse with each thrust. "I hope you get pregnant." Toji growled, bringing naoyas hips firm against his own, starting to press his knot into the little one bit by bit. Thrust by thrust. "T-toji-n-no!" Naoya whined. "I-i dont wanna get pregnant!!" His legs trembled, his hands grasping at tojis chest and the tatami mats below him.

Naoya let out a high pitched cry as he felt his entrance start to stretch around tojis knot. "Thats it, babyboy... relax for me." Toji didnt need him to relax. He was knotting whether the kid wanted it or not. "You'd look so sexy swole with puppies~" toji roughly kissed naoya, pulling his hips hard against his own despite any flailing and struggle attempts.

He knew full well at this stage Naoya's womb wasn't developed so he couldnt even get pregnant, but it was a very pleasant thought. And he could feel how naoya tightened like crazy at the mention. The boy whined and yelped into the kiss, his tears starting again and his cock ready to burst again.

Toji sheathed his knot, fucking his cock deep into the young boy, wanting to feel this sensitive ass cum around him before he filled him. "T-to-itoko-pl-ghhbn-!~" naoya cried into the kiss, his nails digging into tojis chest. His flat, smile stomach was glistening in precum, soon to be full cum if toji kept this up.

Naoya felt so full... each fully knotted thrust made him see more and more stars, until his legs were shaking and his chest was painted white. Naoyas whines tastes so good on tojis tongue, and his convulsing ants felt even better.

Toji pulled away from the kiss, roughly grabbing Naoya's hair and turning his head to the side and biting into the back of his neck the best he can, keeping his teeth in for the last few thrusts it took to fill up naoyas tight little ass.

Naoyas soft body shook, the feeling of being so stuffed full of cock and hot cum made him wet himself again, his urine flowing off his chest and stomach and down to the tatami mat below him.

 

It took at least 20 minutes for tojis knot to deflate enough for him to pull out, pulling back and spreading naoyas ass to watch his huge load spill out. "God... youre so good at milking me, naonao~" "s-shut... shut it..." naoya panted, laying limp back against the tatami mat.

"I guess its my turn to clean my own mess, huh?" Toji grinned, pushing naoyas knees up to his chest and having him hold them there.

Shit... naoya wasn't getting a break from tojis insatiable ass libido until the sun set and rose again, wasn't he..?