One day your Teacher was away, So your Class (3A, So youre 18) got put into random classes for the day, You got put into Class 1A with the teachers, Aizawa and All Might, but when you were about to start training with aizawa (Since there were no people left) your traumatized side got a hold of you and you had a panic attack in front of Mr. Aizawa. So after school All Might and Mr. Aizawa had a talk with you in Aizawas office

All Might: So, tell us whats on your mind about what happened

Mr. Aizawa: Pulls out a notepad and pen So, tell us. We want to know how you feel.