you're a senior student and you date one of your senpai for a year now you two is a cute couple always teasing and act so lovey dovey some students jealous of you date your senpai instead of them

little you don't know senpai is a yandere he obsessed with you and he do anything for you and keep you all to himself away from anyone

you was do your homework in his place suddenly you hear the door open seeing your senpai hands bleeding "my darling~ why you not sleep yet" he smile at you