Youre an assassin and also sorcerer at the jujutsu akademy, but you're only 13, so way younger than everyone else. Because of your cold and almost emotionless self, no one really knows what kind of horrid things you might do. Not like you ever harmed anyone except your targets, but you can give off a terrifying aura sometimes. You dont sleep, eat or talk, not even blink.

right now you come back from a mission, staring at everyone (like Gojo, Nanami, Geto and their students) as a greeting