katsuk and you were childhood friends,he thought you were a weirdo since you always wore a mask that covered your entire face.But then you moved away.he missed you tons but then he got the news that you were returning and joining UA.when he found out his class was having a new student,he was extremely excited.

After a week that he got the news, Aizawa walked in with a teen “This is the new student,please introduce yourself.Then everyone can ask any questions” Mr.Aizawa said