Book One Seok-jin, only a junior in high school has liked a face nobody can forget. Both handsome and smart, Seok-jin can't catch the eye of pretty boy senior, Kim Tae-hyung even after Seok-jin openly confesses his feelings to him. Soon after Tae-hyung finds interest in Seok-jin out of the blue and medals in his life. Tae-hyung is obsessed but does Seok-jin still like this senior by the end?