໒꒱ིྀ༝⁺ 𝓑LOOD 𝓣YPE: 𝓟OSITIVE?
໒꒱ིྀ༝⁺┆pairings: fem!reader x vamp!sukuna
❝ three months after waking up with a strange pain on your neck, your body starts acting wrong — exhaustion, dizziness, missed periods, and a thirst you can’t get rid of. things only get worse after monsieur kenjaku pairs you with ryomen sukuna for a biology project. quiet around you but a complete asshole to everyone else, sukuna always seems to be watching, and after one terrifying encounter at a frat party, you’re left wondering if the craziest thought in your head might actually be true. ❞
໒꒱ིྀ༝⁺┆author note: SOSOSOS SORRY FOR THE DELAY GUYS! i’ve been busy these past few days, ive finished year 13 but i still have exams. i have free time so i’ll try to post more, but im still gonna use time to revise. thank you for reading through (if u do) i hope you enjoy this and really want a part 2 🥹
໒꒱ིྀ༝⁺┆warnings: 18+, mdni, memory manipulation, stalking, medical anxiety, toxicity, dubcon, possessive sukuna, reference to bodily harm, power imbalance, deception, light horror, obsessive behaviour, slightly ooc
three whole months. you stare at your phone like it personally betrayed you.
you refresh the period tracker again, hoping the app will suddenly correct itself.
that’s not normal. your cycle has always been stupidly regular — the kind where you could practically predict the exact day it would show up just to ruin your life.
and now suddenly… nothing.
you sit on the edge of your bed, dragging a hand down your face.
possibility one: pregnancy.
you dismiss it immediately.
unless immaculate conception is suddenly real, that’s not happening.
college. assignments. exams. your parents breathing down your neck from miles away.
that could mess with things, right?
you cling to that explanation.
for a moment the room is quiet.
then your brain circles back to the real problem.
you groan and drag yourself to the bathroom. the mirror reflects a slightly miserable version of you. you lean closer while tying your hair back and pause.
two tiny marks sit just under your jaw. faint. close together. you tilt your head.
“did i scratch myself or something?”
they don’t really look like scratches.
but they’re small enough that you shrug it off.
you grab your bag and rush out the door.
campus is already loud when you arrive.
students everywhere — coffee cups, backpacks, people running to class.
she’s sitting on the low wall outside the building, lazily spinning a lighter between her fingers like she has nowhere else to be.
utahime stands beside her with a coffee, posture straight and expression mildly disapproving of the chaos around her.
shoko glances up when she sees you. “wow.”
“good morning to you too.”
utahime studies you for a moment. “…she does look pale.”
“i love having supportive friends,” you mutter.
shoko hops down from the wall. “no seriously, what happened to you?”
“you look like you haven’t slept.”
you hesitate. “…can i ask you something?”
shoko raises an eyebrow. “this already sounds interesting.”
you lower your voice. “…is it normal to miss your period for like three months??”
shoko slowly lowers the lighter. “…three months?”
utahime nearly chokes on her coffee. “three months?!”
shoko tilts her head. “…are you pregnant?”
“how sure are we about that?”
utahime rubs her temple. “your cycle has always been regular, hasn’t it?”
shoko hums. “did something happen three months ago?”
“stress. illness. something weird.”
your memory feels strangely blank.
like there should be something there.
shoko shrugs. “maybe your body’s just being dramatic.”
utahime checks the time. “we should go.”
shoko groans. “biology is going to ruin my life.”
“before we begin,” monsieur kenjaku says, clapping his hands together with unsettling enthusiasm, “a reminder that i prefer to be addressed as monsieur kenjaku. any deliberate incorrections will result in sanctions.”
someone in the back mutters, “why?”
“for your sake mr. gojo, i will pretend i didn’t hear that.”
the class sniggers, but you don’t understand his obsession with the ‘monsieur’ title.
last semester someone called him mr kenjaku and he stopped the entire lecture just to correct them.
shoko leans over toward you. “if he makes us say monsieur every time we ask a question again i’m transferring schools.”
“you said that last semester.”
“yeah but i mean it this time.”
utahime sighs quietly from the seat behind you. “please just behave in class for once.”
shoko turns around. “i always behave!”
utahime stares at her. “…you tried to microwave a microscope.”
“in my defense i thought it would do something.”
utahime scoffed “microscopes are not food.”
their argument fades into the background as monsieur kenjaku continues speaking.
“for your semester research project,” he says, writing on the board, “you will be working in pairs.”
collective groans echo through the lecture hall.
you rest your chin on your hand.
group projects are always terrible.
someone ends up doing everything while the other person pretends to contribute.
monsieur kenjaku turns back toward the class. “you may choose any topic related to human biology.”
he smiles slightly. “personally, i recommend blood.”
shoko whispers immediately. “called it.”
monsieur kenjaku starts reading names from a list.
the room gradually fills with people turning to their partners, moving seats, complaining quietly.
eventually he reaches your name.
“and miss …, you will be working with… mr. ryomen.”
a chair scrapes somewhere behind you.
heavy footsteps move down the aisle.
you turn in your seat and see him.
you’ve seen him around campus before.
he’s kind of hard to miss.
tall. broad shoulders. dark pinkish hair that falls slightly into his eyes.
mostly involving frat parties, fights, and a general lack of concern for academic life.
he stops beside your desk.
looks down at you with his crimson eyes.
“…you’re my partner.” his voice is calm, almost bored.
he pulls out the chair next to you and sits. “don’t slow me down.”
you stare at him. “…nice to meet you too.”
shoko leans over immediately. “wow,” she whispers loudly. “he seems delightful.”
sukuna ignores her completely.
monsieur kenjaku continues explaining the assignment at the front of the room.
but sukuna isn’t paying attention.
you notice it after a few seconds. “…what?”
the spot under your jaw suddenly aches.
you rub it absentmindedly.
sukuna’s gaze sharpens slightly. “…you hurt yourself.”
you frown. “…i probably scratched it.”
his tone sounds unconvinced.
you turn your attention back to the board.
but you can still feel his eyes on you.
like he’s trying to figure something out.
and for some reason it makes your stomach twist.
class ends forty minutes later.
students immediately start packing their bags.
shoko stretches dramatically. “i’m starving.”
utahime stands, gathering her notes neatly. “we should go.”
you hesitate. “…i think i’m supposed to talk to him about the project.”
shoko looks at sukuna like she’s evaluating a suspicious animal. “…gross.”
“it’s a group assignment. i don’t have a choice.”
utahime pats your shoulder sympathetically. “good luck.”
you slowly gather your notebook.
sukuna is still sitting beside you.
“sorry for existing, i guess.”
the walk to the library is quiet.
mostly because sukuna doesn’t talk.
he walks slightly ahead of you, hands in his pockets, like he expects you to keep up.
people in the hallway move out of his way.
you notice it immediately. “…do people usually avoid you like that?”
he glances back. “like what?”
“like you’re about to start a fight.”
you reach the library a few minutes later.
he drops into a chair at one of the back tables.
you sit across from him and open your notebook.
“okay,” you say. “project ideas.”
he leans back in the chair. “you pick.”
you stare at him. “…seriously?”
“this is a group assignment.”
you rub your forehead. “…you’re the worst partner ever.”
you start writing anyway. “monsieur kenjaku mentioned blood research earlier.”
sukuna’s gaze flickers slightly. “hm.”
“maybe something about blood types.” he watches you quietly. “…what’s your blood type?”
“…do we have to do my blood?”
he shrugs. “answer the question.”
you lean back in your chair. “…i don’t know.”
his eyebrow lifts slightly. “most people know.”
he studies you for a moment.
then nods slowly. “…interesting.”
“why is that interesting?”
you narrow your eyes slightly. “…you’re weird.”
he smiles faintly. not friendly. more like he finds something amusing.
you don’t stay in the library much longer. partly because sukuna is useless. mostly because sitting across from him for more than ten minutes starts to feel… weird.
not even uncomfortable in a normal way.
just off, like there’s something you’re missing.
you close your notebook with a sigh. “i’m getting food.”
he tilts his head slightly. “why?”
“because we’ve been sitting here for like… 2 hours?”
“well it doesn’t bother me.”
you stare at him. “…you’re actually insufferable.”
you grab your bag. “fine. starve then.”
you walk off before he can say anything else.
it always is around this time — people crowding tables, arguing over seats, trays clattering everywhere.
you spot shoko and utahime near the back. you drop into the seat across from them.
“you look worse,” utahime says immediately.
shoko squints at you. “…did you fight him?”
“we’ve only just started. he might not be that bad.”
you push your tray around slightly.
you’re not really hungry,which is weird, you should be hungry.
you haven’t eaten properly since yesterday.
utahime notices. “you’re not eating?”
you just stare at the food.
your stomach twists again.
shoko leans forward. “…okay, no, seriously. what’s wrong with you?”
“you look like you’re about to pass out.”
utahime frowns slightly. “you said you haven’t had your period in three months, right?”
“and you feel weak? dizzy?”
shoko sits up. “oh my god, are you literally dying?”
utahime sighs. “it could be anemia.”
“…you texted me that earlier, didn’t you?”
“because it fits,” utahime says. “pale, tired, irregular cycle—”
“you’re being dramatic,” you tried to reassure them (mostly yourself).
“—and not eating,” she adds pointedly.
you look down at your tray.
you force yourself to take a bite.
like your body doesn’t want it.
shoko watches you carefully.
“at least drink something.”
you nod and reach for your drink. it helps a little.
you frown slightly. “…why am i still thirsty?”
“because you’re not drinking enough?” shoko says.
you stare at her. “…great advice.”
you leave them after lunch.
utahime insists you text her if you feel worse.
shoko insists you can’t die.
your next class goes by in a blur.
your head aches slightly.
and every now and then, that weird ache in your neck comes back.
it’s more sensitive than before.
like a bruise. “…did i actually hurt myself?”
you don’t remember doing anything. but then again, you don’t remember much from three months ago either and that thought lingers longer than it should.
you’re walking back toward your apartment when you feel it. that same feeling from earlier, like someone’s watching you.
you slow slightly and glance over your shoulder.
just people walking past.
the feeling doesn’t go away.
uneasy, you turn around again—
and this time you see him.
leaning against the railing near the steps.
you exhale sharply. “…do you have a hobby?”
he pushes himself off the railing. “you’re on the main path.”
“and you just happened to be standing there?”
he walks toward you slowly, completely unbothered. “you’re paranoid.”
“you keep appearing everywhere.”
“maybe you’re just predictable.”
you cross your arms. “…so you’ve been watching me?”
he stops in front of you, closer than necessary and you can feel it again.
that strange tension, like your body is reacting before your brain can.
you take a small step back. “…what do you want?”
he shrugs. “passing time.”
his gaze drifts briefly to your neck again and you can’t help but notice immediately. “…seriously, what is your obsession with my neck?”
you freeze slightly. “…what?”
your hand moves to your neck without thinking. “…they’re still there?”
“you don’t remember how you got them?”
he watches you carefully.
like he’s waiting for something.
then shakes his head. “no.”
too quick and certainly way too easy that makes you narrow your eyes. “…you’re being weird.”
“i don’t know. you just are.”
he smiles slightly. “you’re overthinking.”
“you’re under-explaining.”
he huffs out something that almost sounds like a laugh. “go home.”
“you look like you’re about to collapse.”
there’s a pause and you hesitate. “…why do you care?”
he tilts his head slightly like he’s considering the question. “i don’t.”
that earns him a scoff from you. “…wow. rude.”
you exhale. “…you’re actually the worst.”
but he doesn’t move, he just stands there. watching you.
you shift uncomfortably. “…stop doing that.”
“looking at me like that.”
“like you’re waiting for something.”
his expression doesn’t change. “…maybe i am.”
he smirks slightly. “then go home.”
you hesitate for a second longer, then turn and walk away.
this time, you don’t look back.
following you all the way down the street.
that night, your apartment feels colder than usual. you drop your bag by the door and lean against it for a second.
your throat is dry again. at this point, it’s always dry. you head straight to the kitchen.
you press your fingers lightly against your neck again. it hurts more now.
like something keeps irritating it. you stare at your reflection in the microwave door again. “…why does it look darker?”
the marks, they’re still faint. but definitely more noticeable.
you swear you can hear something. a faint sound like a heartbeat.
you hold your breath and listen.
“okay. yeah. i’m just tired.”
you grab your phone and collapse onto the couch.
mom: have you been studying?
you’re way too preoccupied with the mystery of your current state to even remember any of your tests, let alone study.
mom: make sure you take care of your grades
like she doesn’t breath it down your neck everytime.
instead, you open your messages with shoko.
you: if i pass out tomorrow don’t act surprised
she replies almost instantly.
shoko: what, are you in the hospital or something???
you: i’ve had like 5 glasses
you roll your eyes. for someone who’s interested in becoming a doctor, she shows no concern in your state.
you: how very helpful of you
you lock your phone. the room is quiet again.
you push yourself up and head to your bedroom. maybe sleep will fix it?
you collapse onto the bed without changing.
your eyes close almost immediately. and within minutes, you’re asleep.
and you don’t notice the window, you don’t notice the slight shift in the air - you don’t notice anything at all because your sleep is too deep.
unnaturally deep, like something is holding you there and keeping you under.
something moves like a shadow crossing the floor.
it stops beside your bed.
watching, waiting for any sort of reaction.
so it becomes a pattern after that.
not one you agree to - not one you even notice at first.
just something that happens.
you start getting observed at night.
and you start seeing him everywhere
not in an obvious way. not in a he’s following you way that you could point out and prove to someone.
just in a way that’s coincidental. too coincidental.
he’s outside your lecture building when you leave class, leaning against the railing like he’s been there longer than necessary.
he’s at the café in the mornings, sitting somewhere in your line of sight, not ordering anything, just tapping his fingers lazily against the table.
he’s across the courtyard when you’re with shoko and utahime, laughing with people who look like they live at the gym—
but his eyes flick to you anyway.
just for a second which is just enough for you.
“i’m starting to get irritated,” shoko says one afternoon, following your gaze, her eyes narrowed. “why is he literally everywhere?”
you don’t look up from your notes. “…he’s not.”
“you’re imagining things.”
“i’m not,” she says. “he’s been watching you for days. you’re the one being delusional, you’ve noticed it too.”
utahime glances up briefly. “…who?”
utahime frowns slightly. “…that cocky frat boy?”
“yeah. that one. red eyes, bad attitude, looks like he’d bite someone—”
you choke slightly. “…can you not say that?”
utahime studies you for a second. “…are you sure you’re okay?”
you’re not, but saying that out loud would make it real.
later that day, you finally end up alone. shoko has a lecture and utahime went to the library.
you’re walking past one of the quieter parts of campus when someone speaks “you look like shit.”
you flinch slightly. “…wow. hi to you too.”
you turn, and it’s not sukuna.
someone who’s taller. broader.
dark hair pulled back loosely, a few strands falling out of place.
just like he doesn’t belong in the same category as everyone else here.
he’s leaning against the wall like he’s been waiting.
you frown slightly. “…do i know you?”
he huffs a quiet laugh. “nah.”
“then why are you staring at me?”
“because you look like you’re about to pass out.”
“…why does everyone keep saying this?”
he pushes off the wall and steps closer.
not as close as sukuna does.
but still close enough to feel intentional.
his eyes flick over your face quickly.
assessing. “…because i mean, look at you?”
you blink. “…is this an intervention?”
“it’s just the truth doll.”
he raises an eyebrow. “…okay, doll.”
you stare at him. “…who are you?”
he says it like you should know it you don’t.
what an arrogant bastard.
“…okay. toji. why do you care?”
“then why are you prying into my health?”
“…you’re friends with him, aren’t you.” you scoff.
his expression shifts slightly for a second. “who?”
he exhales through his nose. “…figured.”
you nod slowly. “…that explains a lot.”
he snorts. “that’s generous.”
you hesitate. “…is he always like that?”
“like he’s… watching people.”
toji’s gaze sharpens slightly. “…he watching you?”
you shift slightly. he’s acting like he doesn’t believe you.
“…he just shows up a lot.”
not in the same way sukuna does.
it’s less intense, more… calculating. “…and you don’t like that.”
you cross your arms. “…he’s just annoying.”
“yeah,” toji says. “he is.”
there’s something off about the way he says it.
like he’s agreeing - but not really.
toji goes quiet, then he looks away slightly, like he’s considering how much to say. “…he gets interested in things.”
your stomach goes queasy. “…eugh, that doesn’t sound reassuring.”
“it’s not supposed to be.”
there’s something almost serious in his expression. “…it means don’t let him get too comfortable.”
your chest tightens slightly. “…why?”
he holds your gaze for a moment longer than necessary. he steps back.
like he’s already said too much. “you’ll figure it out.”
there’s a beat of silence.
he glances back slightly, enough for you to catch it. “…on you.”
leaving you standing there, confused, uneasy yet more aware than before.
that night, shoko drags you to a party that you don’t want to go to.
you really don’t, but she insists.
and utahime, despite her better judgement, comes along too.
“you need to loosen up,” shoko says.
“…i’m literally just tired.”
“exactly!! this will fix it.”
you don’t argue anymore. shoko is persistent, so it’s not worth it.
the frat house is exactly what you expected. it’s loud, crowded and overwhelming. bass booted music, people playing beer pong and people passing out. what a mess. you regret coming immediately.
standing in the middle of it all like he belongs there, like this is his territory.
leaning against the wall, watching everything with that same detached expression.
their eyes meet for a second.
and something passes between them.
something you don’t understand.
something you’re definitely not supposed to see.
you start to feel nauseous. “…i need air.”
you don’t wait for shoko to respond.
outside, it’s quieter and colder.
you breathe out slowly, leaning against the wall.
your throat feels worse than it has all these weeks.
you press your hand to your neck. “…what is wrong with me?”
standing a few feet away.
“…do you ever leave me alone?”
he steps closer and his gaze drops to your neck.
and for a split second, something in his expression changes.
it sharpens like instinct.
you take a step back. “…stop doing that.”
“looking at me like that.”
you hesitate. “…like i’m something you want.”
the words slip out before you can stop them.
then he smirks, let out an almost huff-chuckle. “…maybe you are.”
your stomach drops. “…okay. yeah. i’m leaving.”
because something moves. fast.
a blur in your peripheral vision. you freeze turn back and for a second (just a second) you see it.
closer than he should’ve been able to get that quickly. his hand against the wall beside your head. his face inches from your neck, eyes darker than before.
your breath catches. “…what the hell—?”
and then it’s gone. sukuna steps back like nothing happened.
your heart is pounding. “…you moved.”
he tilts his head. “and?”
“act like i didn’t just see that.”
you stare at him, your pulse racing.
your mind trying to catch up. “…you’re—”
because saying it sounds insane.
but the thought is already there, ringing in your eardrums.
you swallow. “…you’re not normal.”
that same unsettling smile. “…neither are you.”
your stomach drops. “…what is that supposed to mean?”
and this time it feels different.
like he knows something you don’t.
like he’s waiting for you to figure it out.
you don’t go back inside. not after that.
not after whatever that was.
you just stand there for a second, heart racing, trying to slow your breathing down.
everything feels too sharp.
“…he’s actually insane,” you mutter under your breath.
you don’t look back at him.
because part of you - a really small, really uncomfortable part - is scared that if you do, he’ll be right there again.
too close and too fast like before.
you push yourself off the wall and start walking.
not quite running but close enough.
you don’t remember getting home. not properly.
just flashes of memories.
your hands shaking when you picked them up.
the door slamming a little harder than you meant it to.
your apartment feels colder tonight.
you don’t turn the lights on straight away.
you just lean against the door.
breathing, trying to make sense of it.
you run a hand through your hair.
that’s it. that’s the only thing.
you were already dizzy and tired.
you probably just misjudged it.
that makes sense. it has to.
reassuring yourself, you mutter again and again “…yeah. that makes sense.”
but it doesn’t. not really.
and the repetitive muttering isn’t going to convince your mind.
but it’s better to believe the alternative.
your throat burns. you notice how it’s suddenly worse than before.
you push yourself away from the door and head straight to the kitchen.
you grab a glass, fill it, drink, nothing.
“…why isn’t this working?”
your hands feel cold, your head feels heavy.
your stomach growls. not hunger - not exactly.
something else. something you can’t name.
you press your hand to your neck again.
it’s deeper and sharper that makes you hiss slightly.
“…what the hell is wrong with me?”
your reflection catches your eye again, so you step closer.
not just faint scratches.
your fingers hover over them. you don’t touch this time.
something about it feels wrong, like touching it would make it worse.
you flinch and then grab it.
you stare at the message for a second.
shoko: so u ditched us? boringg
shoko: sukuna disappeared after u btw
shoko: yeah like right after
you don’t respond immediately, fingers hovering over the screen.
you: probably coincidence
shoko: sure, whatever floats your boat
“…coincidence,” you repeat quietly.
it doesn’t sound convincing.
with this new information, you’re immediately shaken up.
sleep doesn’t come easy to you.
your body feels restless.
everything makes you feel like shit.
you eventually fall asleep anyway, but it’s not peaceful.
like something is pulling you under.
you wake up suddenly, gasping for air.
you sit up quickly, breathing hard.
something feels different.
you pull your hand back and look at it.
your breath catches. “…is that—?”
you stand up too quickly.
the room spins so you grab onto the wall.
you force yourself to move to the bathroom.
light on and staring straight at the mirror.
you stare at your reflection and your stomach drops.
distinct. two small points.
your hand trembles slightly.
you don’t finish the sentence.
“…i’m just overthinking.”
but your voice sounds thin and uncertain like you don’t believe it yourself.
the next day feels worse.
you’re exhausted more than before. your body feels heavier and slower. your head pounds lightly. and your throat is still burning.
you barely make it through your morning.
and by the time you get to campus you already want to go home.
you sigh. “…yeah i know.”
you glance over. it’s toji again.
leaning against the same wall as yesterday like he’s made it his spot. “…do you just wait here for people?”
he shrugs. “you look worse.”
he pushes off the wall and steps closer.
his eyes flick to your neck.
and for the first time his expression changes.
just a slight tightening. “…what happened there?”
he doesn’t answer straight away. just keeps looking. “…he’s been around you a lot, hasn’t he.”
your chest tightens. “…what’s that supposed to mean?”
toji exhales slowly, running a hand through his hair. “…forget it.”
“no,” you say quickly. “don’t do that.”
he looks at you. really looks this time. like he’s weighing something. like he’s deciding something. “…you should stay away from him.”
your heart skips. “…you said that yesterday.”
he hesitates. “because he doesn’t do things halfway.”
“…that doesn’t explain anything.”
you stare at him. “…you’re both so annoying.”
he snorts. “yeah. i get that a lot.”
you hesitate. “…does he have, like… issues or something?”
toji raises an eyebrow. “…issues?”
“yeah. like—i don’t know. anger issues? control issues? stalking issues?”
he huffs a quiet laugh. “all of the above.”
“he’s always been like that.”
he glances away briefly. “…even as a kid.”
you frown slightly. “…you knew him that long?”
“and he was still weird?”
toji smirks faintly. “you should meet his brother.”
you blink. “…he has a brother?”
“no.” he shakes his head. “complete opposite.”
“yeah,” toji says quietly. “really is.”
there’s something in his tone.
something you don’t quite catch.
you tilt your head slightly.
“… i feel like you aren’t telling me something.”
he shrugs. “it’s nothing.”
“you say ‘nothing’ a lot for someone who clearly knows things.”
“and you ask a lot of questions for someone who doesn’t want answers.”
you open your mouth then stop because he’s not wrong. you don’t know if you do want answers, not if they’re going to sound as bad as they feel.
toji straightens slightly. “…just be careful.”
you exhale. “…you’re not very helpful, you know that?”
he smirks. “wasn’t trying to be.” and then he walks off.
leaving you with that same uneasy feeling.
like something is building and you’re right in the middle of it without understanding any of it.
and across campus from a distance, sukuna watches you. eyes fixed like he hasn’t looked away once.
“…you’re getting sloppy,” toji says, stepping up beside him.
a pause. “doesn’t matter.”
toji glances at him. “…you’re going to tell her?”
sukuna’s gaze darkens slightly. “…no.”
he smiles faintly. “…she’ll figure it out.”
toji exhales sharply. “…you’re insane.”
his eyes flick back to you.
taglist. ! @ane5e (comment to be added)
