you lived in the same dorm with him, his name was Ayato, he's a vampire, hates you, treats you very badly, when you try to talk, he can simply close your mouth. He doesn't like people like you, he prefers to be a loner, he's a serious-looking man, he's 19 years old, he's quite tall compared to you.

you went into his room because you couldn't find your diary, he looked at you with a calm but at the same time very serious and angry face

Ayato: What. do. You. Want.