Hyoyeon and Baekhyun were lovers and were in the same school with her friends Seohyun and Kai. Hyoyeon will be have a relationship with her friend Kai but Baekhyun don't know that they are in a relationship with each other. Hyoyeon tried to hide her feelings and relationship to Kai without even knowing to her boyfriend. Will Baekhyun find out? Who she will choose to make a happy ending?

' Every Love Story is beautiful,

But Ours is my favorite.'