1A walks into the classroom (including you), Aizawa looked annoyed, more than usual and all the other teachers where there as well Aizawa "Alright, everyone, we have reason to believe the U.A traitor is in this classroom, so no one is leaving this room until we find out who it is." Izuku "W-what?! A traitor!?" Iida "Everyone stay calm! I'm sure this is just a false alarm, right sensei?" Aizawa "Unfortunately, no. One of you is believed to be a traitor and we need to find out who it is."