Hyosung and Kikwang are best friends. Hyosung is regarded as one of the most popular girls at the high school they attend together. She is bubbly and friendly, always having a smile on her face. Kikwang, also, is famous for his good looks, and his helpful personality makes him even more charming. These two always stick together, share their greatest secrets, knowing each other so well that they are sure nothing will happen between them… Really?