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lifeofmisssugarpink · 2 years

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Wow I actually finished a fanfic for once. This is for @inupi 's bimbo bonanza collab. God my mind goes brrrr for a sweet dumb girl (and boy, I love my himbos)

Yuuji Itadori x Bimbo! reader

All characters are 18+

For context I made it so that reader and the other first years are in their second year of university.

No curse AU

Work count: 3.2k

Slight slut shaming from Sukuna. Minors DNI and it's referenced that reader has a more chubby body type but nothing explicit.

-----

His feet were sore and his arms were starting to ache but he didn’t care.

Hearing your giggles coming from the dressing room kept a cheerful smile on his face as you were getting changed into yet another dress you wanted to show him. He knew at 1:30 in the afternoon you were meant to be in your chemistry lecture, but with a bat of your lashes and a reassurance you’ll catch up on what you've missed from a classmate (he knew you would just copy but as long as you pass and are happy he couldn’t care less about how your classmates feel) he let you drag him around from store to store through Roppongi.

Hearing the ping come from his phone, Yuuji fetched it from his pocket. He saw it was a notification from the group chat that he, Nobara and Megumi were in.

Megumi: Itadori where are you? Did you forget we was going to study with the third years today?

Oh? Guess he forgot he made plans. Oh well, he was sure they’ll understand he’s got important business to tend to.

Yuji: Ah~ Sorry, I’m out shopping with the gf rn completely forgot!

Nobara: You goddamn simp. You two make me ill. I can’t believe you was the first of us to get a relationship 凸(｀△´＋）

‘How does this one look?’

At the sound of your voice his head snapped up, immediately disregarding his half typed reply.

Holy shit.

He knew you were fond of short skirts and dresses (something that he vividly remembered you getting in trouble with in high school by getting a size too small). The low cut of the dress pushing up your breast and the length cutting off just at your upper thigh, showing off your thick thighs in all their glory.

At the lack of response from your boyfriend you pout, did he not like it? Before you could ask him again a wide toothy grin broke out on his face.

‘You look great baby!’ eyes wide and cheeks flushed, ‘ why don’t you show me the back?’

Giving a short twirl, you faced towards the dressing room mirror, looking over your shoulder as you showed off the dress to your boyfriend. Amber eyes trailed down your back to where your ass was snuggly fitted into the dress. God, how did he get so lucky to get someone like you?

He remembers the first time he saw you in high school, transferring from abroad and speaking in broken Japanese, only enough to get by in class. Another memory comes to mind when his friends asked him who he had a crush on; his answer was definitely something that threw his friends off.

—--

‘Eh? Her? I didn’t know you liked them ditzy Itadori’

‘You really are an ass man aren’t you?’ another friend laughed.

His cheeks flushed as he moved his sight over to you sitting with your own group of friends, the buttons of your uniform straining across your bust and skirt rising up your thighs.

—--

‘I’m going to go pay for the dress and then we can go get something to eat Yu. Oooo maybe that new pancake place down the street, they recently added a strawberry drink on the menu and it looks so cute! I promised Nobara I’d instagram it for her’

At the mention of Nobara he realised he forgot to reply to the group chat; sending a half assed reply he shoved his phone back into his pocket and caught up to you at the counter and getting out his wallet to pay for the dress. He doesn’t know exactly where you would wear it so it looks like he’d have to take you out on a more high end date night at some point in the future; his heart was racing already imagining you getting ready and making yourself pretty just for him, your Yu.

Watching him hand the cashier 9500 yen you let out a squeal and wrapped your arms around his neck, giving him a hearty kiss.

‘Thank you so much baby!’

Grabbing his hand you dragged him from the store towards the pancake place you mentioned to him earlier, although if he was honest he didn’t pay too much attention considering he attention was largely on your ass in that dress.

—

‘God I’m so full, those pancakes were so yummy!’

Cheek resting on his first he watched you drink the last on your strawberry shake you was so excited to try, after you instagrammed it with a filter for Nobara.

With both hands placed on the table Yuuji hauled himself out of his seat ‘come on, I’ll walk you back to your dorm’.

Getting up out of your own seat, you placed your manicured hand into his while your bags hung from his opposing arm as the both of you walked towards your dorm room.

—-

The same arm carrying your bags had now gone numb as you were both outside your dorm door, he didn’t want to leave until you were in and safe, however you were still rummaging through your handbag for a key that by this point he was certain wasn’t there.

‘I swear I put it in here earlier, how did I lock the door?’

Poor Yuuji didn’t have the heart to tell you that you didn’t, you have a bad habit of forgetting and your roommate has long since given up nagging you about it, they lock the door behind you now. Unfortunately it was the same roommate that has locked you out currently and decided tonight was the night to spend at her boyfriend's place.

Tears sprung up to your eyes ‘what if I have to sleep on the street tonight?’

‘What? Don’t be ridiculous baby, you’re going to sleep at mine tonight’

As quick as they came the tears dried up and your boyfriend's hand engulfed yours as the both of you walked towards the station to catch the next train to Yuuji’s apartment.

As much as he adored you, he used any and every excuse he could think of to try and avoid bringing you home, not because he’s ashamed or embarrassed of you but because he dreads to think how Sukuna would talk to you.

Yuuji knows he isn’t exactly the smartest guy and he gets his fair share of insults flung his way by his older brother; he couldn’t live with himself if you got upset over a situation he could avoid putting you in.

Checking through some of the notifications on his phone while you cuddled into his side on the train he took note of the time. Sukuna works night shifts at a club in the city centre so with any luck he’ll be gone by the time you two get to the apartment and will be able to leave while he’s passed out catching up on his sleep. His shoulders slumped, more relaxed that he won’t have to deal with Sukuna tonight.

—

This was it, this is his 13th reason. He should have known damn well his brother couldn’t let him have one thing.

The moment he opened the door to his apartment the smell of cigarettes and indie rock playing in the background was enough to let him know that Sukuna, was in fact, not at work tonight. The shit eating grin that broke out on his face when he looked over from his place on the sofa and saw you, his precious little girlfriend standing behind him, not even aware of the man looking at you but more entertained with all the posters and pictures littering the wall.

‘You’re back late punk. Spending some quality time with your girlfriend I take it?’

The innuendo wasn’t lost on him, his frown deepened as you finally realised that there was someone else in the apartment. With a cherub-like smile you greeted the older man. You knew Yuuji had an older brother, however he didn’t expand much on it and you couldn’t remember often enough to ask.

‘Now ain’t you cute? Yuuji why did you not bring her over sooner?’

Now that you looked closer you can really see the resemblance, from their pink hair to their chestnut brown eyes. However you noticed Yuuji’s brother was a lot more muscular, hair slightly longer and brushed back and tattooed. The tattoos on his face and running down his bare chest caught your attention, after all it wasn’t as common to see someone as heavily tattooed as him since you moved to Japan.

‘You’re never home, now if you excuse us we’re going to my room’

Keep it curt, keep it blunt and just walk away. If Yuuji gave him any opportunity to make a remark he knew his brother would take it up in an instant.

‘Make sure to keep it down then yeah, common courtesy and all that’.

That son of a bitch, these were clearly going over your head as you responded with a chipper ‘yes sir’ and the barking laughter of Sukuna followed you both to his room.

‘What was so funny? Did I make a joke?’

‘No baby, he’s always been weird like that’.

With that the both of you got comfy on his bed which he’s thanking the heavens he made this morning. Scrolling through his netflix he landed on a K-drama that if he was honest, was full of plot holes and classic tropes; but you seemed to be highly invested in it, so he kept it on knowing you would get confused if he changed the movie now.

You wrapped your arms around his waist as you leaned more into him and his own arm wrapped around you with his hand placed on the curve of your hip. Glancing down he felt the hot flush of arousal, he hadn’t noticed the lack of bra today. In this position the creamy skin of your breasts was on show to him and the pebbling of your nipples visible through your shirt. He mentally curses to himself as his pants start to feel more constricting as he feels himself get half hard.

‘Yu, I’m thirsty’.

Fuck, he either sends you to get it yourself which will end up with you getting pouty at him, on top of that Sukuna will be having a field day being able to catch you on your own in their kitchen; especially since his brother has eyes like a hawk and more than likely noticed your lack of bra before he did.

Or he gets up to go get the drink himself and you either catch his half hard cock or his brother does, and truthfully only one sounded less embarrassing to him. He’s no virgin by any means, and the two of you have done some heavy groping and a few hand jobs here and there but neither of you have slept with each other yet. Not for your lack of trying though, you’re an open book about how much you want to please him, but Yuuji has held off out of the respect he has for you.

He knows that because you’re a little more.. ditzy than other girls, guys have tried to take advantage of your nature before, he saw it during high school and during your first year of university, before the two of you got together.

Your slow nature is also another reason he wants to keep you away from his brother; he’ll push his luck as far as he can with you. If it wasn’t for him being financially dependent on Sukuna, he would have moved out a long time ago.

With an internal sign he decided to bite the bullet, a roasting from Sukuna about being caught with a boner is surely the better outcome than seeing how far he’ll take it by touching you up.

Unfortunately he couldn’t get off the bed before you noticed his problem.

‘Oh! Yu you should have told me’ with a pout ‘I can help you with that’

The red hot flush went straight to his cheeks, as he tried to get up off the bed, but was pushed down by your hands.

‘You really don’t have to do that baby, it’s fine don’t worry’

He felt your hands play with the zipper of his pants and in one swift motion, you had yanked both his pants and boxers down, the tip of his cock was swollen, heavy and red by this point, the beads of precum already having ruined his boxers.

He felt the soft skin of your palm wrap around his cock. He couldn’t help but think how pretty they looked with your freshly manicured nails (paid for by him of course, and he would happily pay for them again). A hiss escaped him as you started to move your hand up and down his shaft, the pad of your thumb rubbing against the slit each time you bring your hand back up.

‘Hn, baby you don’t have to’

‘But I want to’

With that you give his tip a kitten lick before taking it into your mouth, causing the pink haired boy to tense, his abdomen muscles clenching as if to stop himself busting a nut right then and there. His teeth are tightly digging into his lip to keep his moans from escaping.

You took him further into your mouth, the wet sounds of your tongue making room to take him made his dick throb harder. Whatever you couldn’t fit into your mouth you took into your hand and softly pumped the rest of him.

He could see it, the streaks of your lipstick and the stickiness of your lipgloss wiping off on his shaft. Jesus fucking christ that was hot. One arm was positioned further back to hold his body up to get a better view of you while his spare hand made its way to the bad of your head and tangled into your hair. It took everything in him to not push down and make you take it all, the tears prickling the corner of your eyes already letting him know you’re taking as much as you can.

Instead he follows your rhythm and guides you up and down his shaft, each soft gag and moan vibrating up his dick and making his balls tighten. If he didn’t get you off him soon he’s gonna blow.

‘F-fuck, inside. I want to be inside you’

That was all you needed to hear. Pulling the shirt over your head, your breasts gave an almost comical bounce and Yuujis hot mouth soon made its home on your nipples as he took them into his mouth.

Aiding you in getting your skirt and thong off, he wrapped his arms around your waist as he pulled you into his lap, the shaft of his cock snuggled between your cheeks. He removed himself from your breasts and planted his lips on yours, tongues moving between each other's mouths.

He placed his hands on your hips and lifted you up ever so slightly before rearranging himself so that his leaking top was placed at your entrance. With one swift pull of your hips he entered you. Letting out a load moan from being filled up by him for the first time Yuuji quickly placed his plam over your mouth.

‘Shit, we don’t want my brother to overhear us, do you baby?’

A small shake of your head was all he needed to hear, as quick as he removed his palm from over your mouth he pushed two fingers in between your lips. The soft bucking of his hips beneath you and the friction of his pubic bone rubbing against your clit was enough to turn your brain to mush. You welcomed his thick fingers with a gentle suckle and rocked your hips in retaliation. With one of his hands placed on your hip and the other with his fingers pressing down on your tongue, you used your free hands to give him a show.

Placing your hands on your lower belly, sliding them upwards. You didn’t bother to check if he was watching, just having another set of hands on your was enough to produce more slick. As your hands reached up towards your sternum you took your breasts into your hands, squeezing them for pleasure as the friction on your nipples caused your core to clench around Yuuji, causing a quiet groan to be produced from him.

He pulled his fingers from your mouth, a string of saliva still connected your tongue to his fingers tip. ‘Remember, be quiet baby’.

With that both hands were on your hips and the pace of his thrusts got faster and more violent. Grabbing you and lifting you up before slamming you back down onto his weeping cock, the thick creamy ring of precum forming around his shaft with each up and down motion of your pussy engulfing him. What a good girl you are for him, he can see you trying your hardest to be quiet, his fingers replaced with your own as you’re trying not to let your moans get too loud.

He would almost be paranoid that Sukuna could hear the wet slapping of your hips coming together but the clenching of your pussy around his cock was too much for him to pay too much attention to anyone else around him.

His pace grew erratic as he lifted up his legs so you could lean back and rest on his thighs, his hips snapping up at a more volatile pace, he felt you clench around him more regularly now, he knew you was close and god he couldn’t hold on much longer either.

‘C-cum, I’m gonna cum - oh god - Yuuji~’

With one final pump of his hips you clenched around him so tight it was almost painful, the milky spurts of his cum coating your walls. It would have been perfect if it wasn’t for the fact your loud pornographic moan was the reason he busted his load when he did.

You slumped on top of him, softening erection still stuffed inside you and sweat rolling down between your breasts. You clearly didn’t realise how loud you moaned. You looked so fucked out and pretty as he leaned back onto his pillows, bringing your body to rest on top of his. Fuck it, maybe Sukuna didn’t hear, hell who cares by this point; after all he was the one that got laid.

‘I love you Yuuji’

Arms wrapped tightly around your waist and digging your head into his shoulder, Yuuji couldn’t help but think, how did he get so lucky to have you.

—---

‘Shit’

His chest was sweaty and his palm sticky, covered in his own cum as his cock was softening and going limp in his hand.

What was he supposed to do? When his little brother had walked in with a hot piece of ass like that, tits squished into a tiny shirt and had her moaning like a whore.

Sukuna washed his hands under the kitchen sink and made his way back to his previous position on the sofa. With any luck in the morning he might be able to get another glimpse at you, hell, might even try to convince Yuuji to let him have a go at that tight cunt of yours.

#JJK #Jujutsu Kaisen #x reader #reader #reader insert #jjk x y/n #jjk x reader #jjk sukuna #jjk yuji #jjk itadori #Sukuna #Itadori #Sukuna is such a little bastard #I love him sm of course I had to add him in #Any way Yuji deserves the world I love him too

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