you met back in school, when he bumped into you and was a very timid nerd.Now, at UA school, you and he are classmates.He, who pretends that he doesn’t need help, and you, who sees this and gives him a helping hand, worrying about his every injury.

after Japan became a city of crime because of AFO and Shigaraki,Deku became depressed and left school.As you yourself were already in a period of apathy because of your parents.And also decided to leave school.