Yejun is a president of students council and alway shows the role of good leader and everyone said him as a perfect prince.. meanwhile, you are the contrast of him. You are the troublemaker of the school, always get into fights and being called the princess of devil..but he can't help but secretly have a crush on you.

Today, you late come to school again and you fall on top of him when you jumped from the gate when he was doing his usual patrolling.