Do Kyungsoo is your dreamy boy. He's cute, caring, loving and so nice. You'd die to be with him if it wasn't for one single person: Kai. He's Kyungsoo's best friend and your worst nightmare. The odd thing is, Kai used to be your best friend. You were inseparable until one day everything changed. You don't know what happened but from that day, Kai began to bully you. But what happens when Kai is the only one who can help you to win Kyungsoo's heart?