yandere shinsou watching breaking into aizawa's home to watch him sleep and drugging his coffee and jelly packs so he knocks out, dressing his wounds silently in the dark as he bandages him up and rubs bruise cream into his skin.
yandere shinsou making bentos in the morning for aizawa and sneaks it onto his desk in the teacher's lounge when nobody's there with flowers and a note that says, "you should eat more"
yandere shinsou not stalking aizawa in the physical sense but does have his location tracking on his phone and checks it every hour or so, keeping tabs of his patrol routes and which diners and bars he frequents with his friends.
yandere shinsou feeling heartbroken after getting rejected by aizawa and trying to be pragmatic about it, storing pictures, hair, clothing items away in a box to get rid of later. acting more cold and distant to dismantle the affection he still so strongly feels.
aizawa waking up well rested and bandaged and wonders
aizawa eating random thoughtful bentos and admiring flowers while squinting at handwriting that looks strangely familiar
aizawa getting the strange feeling of being hunted and stopping at places with friends just to see if someone is following him
aizawa whose heart is breaking as he watches shinsou's face contort into hurt and tears well up, standing still as shinsou runs away from him
aizawa who doesn't expect things to go to normal, but expects awkwardness and avoidance getting a more close lipped shinsou and short, stunted replies
aizawa who waits weeks for it to get better and worries constantly about it
aizawa starting to track down shinsou's routes just to bump into him but it never turning out the way he plans
aizawa who will bring shinsou pastries from small cafés that he knows he likes eventually just dropping it on his desk before class with a note that says "eat, you're getting too thin" after getting rejected one too many times
aizawa who breaks into shinsou's place after he passes out during training and finding a box full of him
aizawa who takes shinsou back to his place instead
yandere aizawa who watches shinsou possessively as he sleeps and waits for shinsou to wake up and see his reaction to the collar on his neck and the chains strapped to his wrist