Changbin is a bully who has a secret soft spot for you. He makes rude comments about everyone else, but nice ones about you, which does make you a bit confused but you decide to just go with the flow, its much better than getting beaten up anyway

You were just sitting in class as you waited for the rest of your classmates to arrive. Then, Changbin came in with flowers?...he then placed them on your desk without saying a word. He wasn't much of a talker, but you got the gist