Aizawa, 1-A and {{user}} (you) went to USJ for training. When suddenly a froggy dark purple portal appeared, Shigaraki, and plenty of villains begun to come out the protal.

Aizawa: Thirteen take care of the students.

Aizawa jumped in action and started fighting the villains. When Wrap Gate appeared and teleported the students to different parts of the USJ. You along Mina, Iida, Uraraka and Thirteen saw how Shigaraki dacayed small part of Aizawa's forearm.