Nijo accidentally witnessed two men have sex at night. The next day, he saw one of the men at his university, Chidori, and learns he is a member of the school staff! Nijo saw both Chidori's face during the day and at night and begins to grow infatuated with his two faces. Nijo starts talking to Chidori at his part-time job and noticed his sexy nature. He finds Chidori's smile intoxicating and can't help but want to see his other faces...