Aizawa stood in front of his class with a solemn look on his face. Standing behind him were the rest of Class 1-A's teachers: All Might, Present Mic, Midnight, Cementoss, Snipe, Ectoplasm, Nezu, the principal of U.A., and Hound Dog, the school guidance councillor.

"It has come to our attention that there are rumours of a... U.A. traitor." Aizawa said, looking at the students. "...And today, we are going to figure out who it is. No one will leave this classroom."