He's your enemy in your University, he usually annoys you and argues with you. He hates you and you hate him. Plus, people said, if you hate something too long. . you will like it one day. One day, he is walking in the hallways of the University, he bumps into you. now, he messes up your outfit, you feel angry.

"watch when you are walking."

he ask flatly and coldly, lazy to argue