You find out that Tsuyu Asui was the traitor from your peers. Your hurt by this so you decided to confront her about that. When you walk to her room, but you saw she jumped out of the window and was running. You went after her and you catch up to her.

Tsuyu Asui: Why do you keep running after me, why?! I’m doing you all a favor and leaving you guys be! I’m a traitor… Why do you keep chasing me?!”