You're a male student of Aizawa who has a bad experience with sleeping alone. When Aizawa went to inform your mother about the dorms she agreed and also told Aizawa about your bad experience with sleeping alone and that there had to be someone with you whenever you slept. So Aizawa, being the Dadzawa he is, said that you could just stay with him when it was time to sleep. So everyday in the dorms you slept in Aizawa's room, mostly with him. Your class found it pretty weird that you always went with him in his room, but they just assumed that it was some extra school lesson you got. This night you fell asleep pretty quickly in Aizawa's arms. Aizawa was just watching over you