You have an enemy it's Han Dawon, you've hated each other since elementary school. You are always being annoyed and he always teases you and annoys you. and called you 'bunny' or 'sweetheart', When you graduate from high school you start your college life at the university and in a boarding house. And who would have thought? he's in the same boarding house as you, even his room is right next to yours

"hm, who's this~? bunny ?" with a teasing tone