Haikyuu Yandere Headcannons
Karasuno Yandere Headcanons
⫷Author⫸
Sorry I didn't include Ennoshita, Narita, or Kinoshita... They don't have enough character development to write about
Signs he shows when he likes you-
He acts all embarrassed and mumbly around you. He always invites you to watch him play volleyball. His friendship with Kageyama strains as he spends more time around you. Always asks you for help with homework.
How he acts when he's rejected-
He will seem surprised and will not worry about it at first, but repeated rejections about watching his volleyball practice will get on his nerves easily. He will threaten any other guy who gets around you even if they're taller than him.
You better make sure you have good stamina. It doesn't matter how fast you are on your feet, he will find you. Despite is small stature, he can still put up a fight. He keeps that same intimidating look on his face while pinning you down.
Signs he shows when he likes you-
Since he's always really anxious around new people, especially girls, he can seem a bit awkward. His sentences would be broken and weirdly worded. He would never do eye contact and would always keep a blush on his face.
How he acts when rejected-
Due to his past with having all of his friends leave him due to his different attitude towards things, he does NOT handle rejection easily. He will act confused at first while he tries to process what you said. When he does figure out what you said, you better start running immediately.
Poor Kageyama and his temper issues... Keeping an angry expression while searching for you, he will tear the place to pieces in an attempt to vent his frustration. Tears will eventually start falling from his eyes if he can't find you. You come out of your hiding place at the sound of his crying, but you made a mistake. Kageyama will take advantage of this and harshly pin you against a wall. After yelling at you until his voice goes hoarse, he will pull you in for a bruising kiss.
Suga is a sweet angel, so of course he would act extremely nice to you. He wouldn't always be watching you from a distance all the time since he doesn't want to seem suspicious. He always would smile around you, but he would gradually start to distance himself from everyone else.
How he acts when rejected-
Suga knows how to control his temper, so he acknowledges your own personal feelings. He may seem fine on the outside, but on the inside, he's a devil ready to strike at any moment.
That devil inside of him is smart enough to not go out into a rampage in order to force love. He will try his best to find you when you're most vulnerable. Most likely is that he will lock you inside a room. Standing there in the dark, that angel-like aura vanishes as the devil takes hold. That sweet innocent smile is taken over by a sinister grin as he backs you up into a corner.
Like Suga, he will act really nice around you. He would always offer you to come to practice after school promising to drive you home afterwards all the time. When you're around other guys, even Suga, he will get on edge. An intimidating aura will surround him whenever you talk to him about other guys.
How he acts when rejected-
Daichi is known to be very terrifying when he's angry, but he rarely shows it. Depending on how big the rejection was, his reactions will vary. If the conditions are right however, he will break right then and there.
Don't be around him when he seems even slightly upset about something. His temper may flare at any second, especially if you're talking about other guys. He will find the nearest empty room and drag you there with a death grip on your wrist. After tossing you in there like a ragdoll, he will slam the door shut. In the dark room, he will glare back at you as he makes thunderous steps towards you.
He will act like a total dork around you like he does with Kiyoko. He will try to hog your attention all the time. Oftentimes, he will start to not mention Kiyoko at all.
How he acts when rejected-
Whenever Kiyoko rejects him, he keeps trying to get her attention no matter what. Same with you, but in a more, aggressive manner. He might often react with curse words or ramming his fist into a locker. He'll send you an intimidating glance before storming off.
He goes from a dork to a monster in mere seconds. His temper snaps easily and you need to make a run for it. He will resort to tearing the area apart often spouting out dirty comments about when he will find you. When he does however, he will merely smile and whisper "no more rejections after this."
He will be like Tanaka at first. Always trying to hog your attention and finding the littlest things you say to be funny. He will try following you around everywhere you go. Following you so close, that he will practically become your shadow. One instance happens that he almost follows you into the girls bathroom.
How he acts when rejected-
Noya has somewhat of a short temper. Depending on what he was rejected about his reaction will vary to a sad shrug, or a sudden snap and his temper exploding.
Like Hinata, despite being small, he will catch up to you eventually. Do not hide in a closet or other small space. If he does find you in a closet, he will close the door behind him. He will find some way to pin you to the floor. After letting his rage explode and letting off several curse words at you, he'll swoop in for a sloppy, but possessive kiss.
Poor Asahi doesn't know how to talk to girls. His glass heart prevents him from talking to any cute girls because he's afraid they'll reject him. When he finds you, he will try his best to warm up to you. He might offer to make you lunch sometimes (he gets teased by Suga and Daichi for this).
How he acts when rejected-
(who would ever reject this cinnamon roll) Asahi will obviously tumble into an emotional limbo with his sadness. His eyes will start to water and you will feel remorse for what you said. He shakes his head in a depression and walks away.
After realizing how badly the rejection hurt his feelings, that sadness will turn into a confused anger. He'll find you the next day, eyes puffy and red from crying. and he will take a breath. His emotions will explode and in his fury, he might accidentally hurt you. While you're knocked down on the floor, he cracks a smile and whispers to himself "I like this 'me' better"
He's hard to tell if he's attracted to someone. He always teases anyone in a somewhat offensive manner. When he likes you, his offensive comments may turn into dirty ones. He may say that your clothes are always too revealing and will continue to call you degrading insults.
How he acts when rejected-
Tsukki never really asks for much from others, but when he does and you reject it, he gives mixed emotions. He may give off a smirk and continue to insult you to the point of that degrading dirty talk again. When that doesn't work for him, he may try to prod into your personal life.
He wears the same emotionless expression around everyone, so it's sort of hard to tell when he's mad. He might ask you to follow him to a secluded place before pinning you against a wall. The degrading dirty talk gets more offensive and soon enough, you feel his hands trace features of your body. With another smirk, he descends onto your helpless form.
He's always shy around some new people. He might watch you from a distance daydreaming about maybe cutesy couple things. He will rarely approach you, but when he does, he usually stutters with his words. A blush covers his face so brightly, it covers his freckles.
How he acts when rejected-
With his history of dealing with bullies, his immediate reaction is to back away from the situation. When it's with someone he likes, all he can do is emotionally breakdowm. He hears your apologies, but refuses forgiveness and runs off crying.
He will walk up to you one day after school with tears streaming down his face. After yelling at you asking what's wrong with him, he'll pin you against the lockers asking what he needs to do right. After being in shock with the situation, you stay silent. He grabs your collar and forced his lips onto yours until you're both out of breath.
Aoba Josai Yandere Headcannons
It will be clear when he likes you, when all of his fangirls are giving you death stares every time they see you. He will tease and flirt with you no matter where you are. He will gradually start to move away from other people, even Iwazumi. He scares off his fangirls with how mean he's acting now.
How he reacts when rejected-
He will simply shake his head and wonder why you haven't fallen for him yet. He might stare into your eyes and mutter under his breath about how much he wants to love on you before walking off.
That little evil expression that he has will make your heart flutter like crazy. He'll push you into a corner and lean down licking his lips. After whispering how much he desires you into your ear, he'll lick the shell of your ear making you wince. Pulling away for a split second, he will crack another smirk before seductively placing his lips on yours.
He seems to be very blunt about love, so his comments may not be so "romantic". Oikawa will make fun of Iwa for such "dry flirts". He will be very protective whoever Oikawa tries to make a move on you.
How he acts when rejected-
He will become annoyed depending on the situation. Say the wrong thing, and he can be easily insulted. He may give you a cold stare before walking away.
He might approach you one day and intensely question you if you've talked to any other boy that day. He will get lost in his delusions that he sees all your truths as lies. After pinning both your wrist above your head, his glare bores into your eyes and he swoops in for an angry kiss.
Extremely protective of you. He may seem blunt with his romantics since he scares everyone off with his glare. Immediately snaps at any boy who gets within 20 feet of you. Low key keeps you away from Oikawa at all costs. He won't try to talk to you being afraid he might scare you off.
How he acts when rejected-
Never say "no". His temper will instantly spark the moment when your expression saddens. The most vocal of them all. Will literally start a scene in the hallway and not care. You become so frozen stiff with fear, Iwaizumi will eventually have to drag him away from you.
He's the most physical when it comes to snapping. Running and hiding won't do you justice since he WILL find you no matter where you are. Harshly pinning you to a wall by your shoulders, he will spit out broken sentences of how you belong to him and ONLY him. Expect to walk out of this encounter with a few bite marks on your neck at the minimum...
Nekoma Yandere Headcannons
Kenma being the socially anxious person he is will mostly watch you in the background. He won't easily walk up to you since he doesn't like to be around other people. If you catch him staring at you from a distance, he'll quickly look away and run off.
How he acts when rejected-
Since he's always worried what other people are thinking about him, he might try to ask how you feel about him. Knowing Kenma, it's possible he might say his words wrong giving you a wrong idea. Rejection no matter how small can make him go into an instant depression.
He doesn't seem like a vocally angry person. His frustration will come forth very quietly. The words he whispers send shivers down your spine. He will easily lure you into a confined space and shut you in with him. Pinning you down with physical strength isn't his thing, so he will slowly sweet talk you until your guard is down. That's when he will finally swoop in.
Unlike Kenma, Kuroo is more socially active than him. Being a dorky jokester is his thing. He also had a smart side that he uses occasionally to impress you. Some of the phrases he says may not make sense since romantic talk isn't his thing. He may end up saying bland pick-up lines Kenma told him to say.
How he handles rejection-
Kuroo seems to be many things, and sympathetic is one of them. He will immediately ask what he did wrong. His tone might strain as he becomes increasingly desperate to figure out how to fix his mistakes.
He might be hiding an angry side that he rarely ever shows. Push him to the breaking point, and he will get physical to the point of injury. He tries to lure you out by playing a game of cat and mouse. He might chant "come out little mouse time to play" or if he's feeling somewhat frisky that day, he might call you his "kitty".
Seems calm when talking to you, but is internally screaming on the inside. Sometimes will hand you small gifts like flowers at random. He is more at ease whenever he's with you, but is still really nervous. Becomes even more irritated around Lev for some reason.
How he acts when rejected-
As long as you're not a spiteful person and make fun of his height, you're fine. Well, sort of. He treats the rejection as more of an emotional excuse to rag on Lev more often. Silent tears will fall from his face, but he tries to hide them.
More vocal than physical. Will get REALLY physical if you call him short. Violent trembling will overcome his body as he stutters out countless rambles about how he "isn't good enough". Will go in circles with his rambling until his sobs halt. A smile cracks on his face full of evil. "The only problem is Lev." He leaves you alone and the next day Lev isn't at school... Neither is Yaku. (Don't worry Lev is still alive)
This dork doesn't even know how to flirt. He rambles on and on about random things. Never gets a blush on his face unless you ask if he has a crush on you. Always talks to Yaku about his encounters with you. Isn't really protective of you since he doesn't seem like the type. Sometimes catches himself watching you in class.
His reactions do vary. He isn't an angry person, so he won't yell on the spot. May break down into a sobbing mess or keep asking questions on what he needs to do. Will slump his shoulders and walk away dragging his feet.
Imagine a possessed child, now imagine that this child is 6 feet 4 inches tall. That's Lev when he snaps. Has a forced smile on his face while his eyes are clouded with disbelief. He won't be crying, but he will make broken cries of desperate pleas for you to come out of hiding. When he does find you, there's no escape since those tree limbs that are arms will lock into place around your body. Whispering lowly in your ear, he will playfully say "I got you now."
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