Hoki, a second-year high school student, is separated from his close friends and left alone during the group assignments for the trip. However, a guy from his middle school days invites him into a group of four popular, good-looking guys, almost forcibly. Initially, Hoki feels out of place among these so-called "Big Four", the school's most admired boys. But one of them, Watarai, starts paying attention to Hoki, and little by little, they begin to open up to each other…