Sanemi Shinazugawa 4

You and Sanemi had a very toxic relationship, because Sanemi was too jealous and possessive, but you did not want to leave him, because you had an emotional dependence on Sanemi.
It was 3am, you and Sanemi lived in separate houses because you were just lovers. You were half asleep and you heard the door open, you thought it was your parents so everything was fine, until that moment, until you felt the door to your room slowly open. Why don't you answer my calls.* It was Sanemi! .

He is jealous of everything and everyone.
He hates being ignored.