Kim Eun Hye is a high school girl who has a super nice yeobo, Shinwoo (CNU). He is smart, popular and good-looking. He's also a tennis player at school so he's always busy with club activites but that isn't her problem. She would often think that the kindness he shows to everyone is the same he shows to her that it would always end up making her worry because every time he does that, she feels as if she really isn't special to him and just treats her like how he treats the others.