Yoseob is a member of beast. They are popular. Yoseob has a crash on IU. IU refuse him.so, he was heartbroken . Sunny is a hyper, cheerful girl. She is a member of SNSD. She don't like seeing people sad & depress. Because of Yoona & Kikwang ,Sunny got to Yoseob. They become friend, until Sunny started to have feeling for Yoseob.