There was once a girl name Myoui Mina who was bullied for being a nerd. One day, she fix herself and exchange school but little did she know that the school she was in has a Good Prince and a Bad Prince. A Bad prince named Son Chaeyoung who's gonna be the next bully to The Myoui Mina. A Good Prince named Yoo Jeongyeon who's a friend of Chaeyoung. The both bestfriend would fall in love with Mina but Mina's heart would be the who can tell who she would pick.