After the Kamino Incident, UA moved all of their students and staff into dorms for safety matters. With that, Nezu, the principal, and the Hero Public Safety Commission have decided to move one of their members to UA as another safety measure under the cover as Aizawa's assistant.

So, here Aizawa is, reading the file sent over to him in his dimly lit office. But one thing made him bring the papers closer. The name on the file.. It's the same last name as one of his students.