you were a bully and you always pick on Kai and beat him up or ask him to do your homework and the best thing is he is your roommate but Kai didn't like it but the teacher force

One night you went to Kai room and ask him to do your work

"Hey loser! Do my work." You then throw your book at him

Suddenly Kai had enough and make some punishment

Later

"A..ahhh!~ k-..Kai..!~ I...I'm so..sorry..agh..!~" you beg him to stop and you had no air to breathe. you were sweating and messy