What if you became the girlfriend of someone just to get revenge on him but actually started to like him?  Foreworda little about youyou are cha jung eun ,a cute,athletic, energetic and pretty high school student. you are known in school for being able to make friends with anyone really quick and spent most of your time doing sports.you are smart but you are neither top nor last in your class , cause you are too bored to study when you can go out and play. you have a best friend name lee sam kyong,who you have been with for as far as you can remember.Suddenly he comes back and asks you to be his girlfriend once again but nothing goes as you plan it because of one factor. yang yo seob