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Jujutsu Kaisen Reader-Insert Collection

Summary:

(One-shot smut and fluff requests for reader-inserts from tumblr). Navigation is in Chapter One.
Latest update: Everything That A Big Bad Wolf Could Want (Reader x Werewolf!Toji)

Notes:

hi!! i figured i should put all of these in one place instead of clogging up ao3 with them as a whole. this is a collection of jjk reader-inserts requested on my tumblr (and sometimes just written by me, because i am simping hard). the first chapter acts as navigation and will be updated accordingly!

if you would like to talk and see more of my thirsty content for both JJK and JJBA my tumblr is j0succ and i'm always happy to make new friends!

Chapter 1: navigation

Chapter Text

1.
Teamwork - Gojo x Reader x Nanami, NSFW (5.4k)
Cunnilingus, fingering, overstimulation, use of toys, deep-throating, threesome, coming inside. AFAB reader, fem pronouns. 
It’s not surprising that Satoru Gojo wants to turn everything into a competition. Even this. Still - you’re not exactly complaining 

2. 
Fool For Love - Gojo x Fem!Reader, NSFW (2.25k)
Explicitly chubby reader, some mentions of body issues. Facesitting/oral sex/cunnilingus. AFAB reader with fem pronouns. 
Gojo asks you to try something, and you are never quite able to say no to him.

3.
Morning Person - Nanami x Fem!Reader, NSFW (2.5k)
Cock-warming, dom/sub relationship dynamics, domesticity, established relationship - AFAB reader with fem pronouns.
You just want to help make his mornings pleasant. 

4. 
Business Before Pleasure - Nanami x Fem!Reader, NSFW (2.25k)
Guilty Pining/Masturbation. AFAB reader, no pronouns. 
Nanami's brain always seems to be wired differently when you're around.

5.
Sweet Tooth - Gojo x Reader, SFW (2.5k)
A lot of talking about food; gender neutral reader.
The early bird catches the worm. Or the cake, you guess.

6.
Covet - Naoya x Fem!Reader, NSFW (3.6k)
Breeding, power imbalance (reader is a maid on the Zen'in estate), misogyny, talk of pregnancy, knives, fingering, coming inside. Naoya is his own warning. AFAB reader with fem pronouns.
Naoya wants something from you - you see a chance to get something you want too.

7.
Favourite (So Far) - Toji x Fem!Reader, NSFW (5k)
Mentions of murder. Corruption kink, virgin reader, dacryphilia, fingering, coming inside, dirty talk. AFAB reader with fem pronouns.
Toji sees you sitting alone at a bar; all quiet and soft and unsure, and absolutely begging to be ruined - and he decides he can help with that.

8.
Sweet Dreams, Darling - Nanami x Reader, NSFW (2k)
Somnophilia, coming inside. AFAB reader, neutral pronouns.
You’re so pretty, and Nanami’s so stressed, and he just can’t resist you.

9.
First Date - Nanami x Reader, SFW (3k)
No warnings. Descriptions of food and alcohol. Neutral pronouns.
You're nervous about your first date with Nanami. 

10.
Scientific Knowledge - Mahito x Reader, NSFW (4k)
Breeding kink, explicitly chubby reader, dub-con elements (reader is into it but aware Mahito could kill them). Manipulation of tongue and dick. Mentions of pregnancy, coming inside. AFAB reader with neutral pronouns.
The cursed spirit who has moved into your house (possibly against your will, you’re not sure anymore) discovers your internet history. He would really like to know more about this ‘breeding kink’. 

11.
Prince Charming - Gojo x Reader, NSFW (2.5k)
Slow loving sex with Gojo. PIV sex, light fingering, coming inside. AFAB reader with neutral pronouns.
Gojo thinks very highly of himself, and sometimes all you can do is agree. 

12.
Expecting - Naoya x Fem!Reader, NSFW (3.3k)
Pregnant sex with Naoya - sequel to Covet. Pregnancy sex, light lactation, power imbalance, misogyny, breeding kink. AFAB reader with fem pronouns. 
Both of you got what you wanted. Naoya got more than he bargained for.

13.
Knowing Your Place - Sukuna x Reader, NSFW (5k)
DARK CONTENT WARNING. Dub-Con, master/pet, degradation, slurs, knife-play, blood, Sukuna with two dicks. AFAB reader with neutral pronouns.  
How could you have ever thought you'd get the best of him?

14.
The Quiet Game - Nanami x Fem!Reader, NSFW (3k)
Teasing and edging with Nanami. Dom/Sub relationship dynamics, cunnilingus, fingering. AFAB reader with fem pronouns. 
You and Nanami play a game. Nanami has the advantage - but then again, he always does. 

15.
Saying The Important Things - Toji x Fem!Reader, SFW (2.1k)
Reader is Mamaguro/Megumi's Mother. Fluff. Some references to pregnancy. Reader uses fem pronouns. 
Toji's not the kind of man who wears his heart on his sleeve. But he'll try - for you.  

16.
A Good Night's Rest - Gojo x Fem!Reader, NSFW (2.7k)
Phone-sex with Gojo. Masturbation, use of toys. AFAB reader with fem pronouns. 
Gojo sends you a picture of himself in a hotel bed whilst he’s away on a mission. It preys on your mind. Thankfully, Gojo’s got a bit of a predicament on his end too. 

17.
Instruction - Gojo x Fem!Reader, NSFW (2k)
Gojo teaches you how to touch yourself. Assisted masturbation, fingering, oral sex mentions. AFAB reader with fem pronouns. 
You might be having trouble, but Gojo doesn't mind playing sensei to you. 

18. 
Running Your Mouth - Geto x Fem!Reader, NSFW (3.2k)
Hard!Dom Geto. Dom/Sub relationship, impact play, degradation, pussy spanking, blowjobs, light choking, power imbalance. AFAB reader with fem pronouns. 
You violate the terms of the agreement you and Geto have during a meeting, and that means he gets to punish you. 

19. 
Just a Taste - Mahito x Reader, NSFW (2.5k)
Facesitting. Dub-con because reader knows what Mahito is and is capable of, but reader is INTO it. Mentions of Mahito changing his dick and his tongue whilst fucking. AFAB reader with no pronouns. 
Mahito wants your help. Won't you assist?

20. 
Green-Eyed Monster - Nanami x Reader, NSFW (4.2k)
Jealousy sex. Cunnilingus, light restraint and impact play, mating press, coming inside. Explicitly chubby reader. AFAB reader with no pronouns.  
You finally get to meet Nanami’s friends. One of them, though, seems to have no concept of personal space - and watching that happen sets a fire raging in your boyfriend’s normally even gaze. 

21. 
Sensitivity - Choso x Reader, NSFW (2.7k)
Soft-dom reader, virgin Choso, first time, blowjobs, riding. AFAB reader with fem pronouns.  
You take care of Choso for the first time.

22.
Bargaining Chip - Geto x Fem!Reader, NSFW (5k)
DARK CONTENT WARNING. Dub-Con, arranged marriage, degradation. Blowjobs, fingering, PIV sex, coming inside. AFAB reader with fem pronouns.  
Your father bargains you away for the price of what Suguru Geto can do to finally rid him of the demon on his back. 

23. 
Repeat Customer - Nanami x Reader, SFW (5k)
Coffee Shop enemies to lovers AU. Fluff. Neutral reader.   
You absolutely hate your 8:05AM regular, and nothing is going to change that.

24.
Wedding Rings - Toji x Fem!Reader, NSFW (5k)
Arranged Marriage. Corruption kink, dub-con, cunnilingus, fingering, virgin read, PIV sex. AFAB reader with fem pronouns.  
The Zenin clan just can't stop meddling in Toji's affairs. What's he supposed to do with the nervous little virgin who shows up on his doorstep and says that her family and his have said they have to get married? Not fuck her?

25. 
Night-Time Exploration - Mahito x Reader, NSFW (2.6k)
Dub-Con, somnophilia, thigh-fucking, sleep grinding. AFAB reader with neutral pronouns. 
Something you do in your sleep makes Mahito very, very curious. 

26. 
Making Time - Geto x Fem!Reader, NSFW (2.2k)
Pregnant sex, domesticity, pregnant reader. AFAB reader with fem pronouns. 
You're a family, above all else. 

27. 
Worthy - Naoya x Fem!Reader, NSFW (2.6k)
Overstimulation, praise kink and comfort. Insecure reader. AFAB reader with fem pronouns. 
Naoya wouldn't be with you if he didn't think you were worthy. 

28.
Whenever You Want - Gojo x Reader, NSFW (2k)
Somnophilia, cockwarming, sex toys, light oral and fingering. AFAB reader with neutral pronouns. 
He didn't mean to come home late - but you don't mind. 

29. 
Lack of Privacy - Mahito x Reader, NSFW (3k)
Sex toys, fantasy sex toys, over-stimulation, praise, degradation, orgasm denial. Light dub-con as in everything I write for Mahito (reader is into it but knows what he's like). AFAB reader with neutral pronouns. 
Mahito goes digging around in your domain. 'Fun' ensues. 

30. 
Waves on the Shore - Nanami x Reader, NSFW (2.2k)
Lazy morning sex, fingering, PIV sex, mentions of starting a family. The life Nanami deserves. AFAB reader with no pronouns. 
You want to give Nanami a birthday present.

31.
Luck - Geto x Reader x Gojo, NSFW (9.7k)
DARK CONTENT WARNING. Extremely dubious consent/non-consent. Gaslighting, manipulation, blackmail. Under the influence/heavy alcohol use. Blowjobs, fingering, ‘just the tip’. Explicitly chubby, virgin reader - corruption kink, degradation, praise, implied Satosugu. AFAB reader, no pronouns.
Your big sister would never let anything bad happen to you. On purpose, anyway.

32.
Everything That A Big Bad Wolf Could Want - Reader x Werewolf!Toji, NSFW (7.7k)
Werewolves, light monster-fucking (Toji has ears, tail, fangs, claws, a knot, is bigger than average, monster tongue). Dubious consent (though reader is very into it). Predator/prey dynamics. Cunnilingus, knotting, biting, scratching, primal-type play, breeding kink. Reader is AFAB and is not referred to by any pronouns or gendered terms, but is wearing a ‘playboy bunny’ style outfit (heels, stockings, collar and cuffs). Pet names such as ‘bunny’, ‘rabbit’, ‘darling’ are used.
Something about this man's costume seems a little off.