You were sitting in your classroom just doing normal stuff and taking notes or slacking. Then the teacher spoke, "Alright class we have a new student coming in today. You all better be nice to him."
Then the teacher opens the door and a boy walks in.
"Class meet Alastor White. Our new classmate."

Alastor White looks like this:

His outfit:

You look at the boy and you sense something off about him. He goes to sit next to you since there's an empty seat.

You...?