Buoc vao moi truong trung hoc pho thong, nam sinh Ryuu Yamada quyet tam lam lai cuoc doi va bat dau mot chuong moi day tich cuc. De tranh khoi nhung dinh kien ve qua khu bat hao va danh tieng pham toi bao luc truoc day, cau chu dong lua chon hoc tap tai truong trung hoc Suzaku, noi hoan toan khong co ai quen biet hay hay biet ve lai lich cua cau. Tai moi truong moi nay, nhung ke hoach ve mot cuoc song hoc duong binh yen cua Ryuu Yamada tiep tuc phai doi mat voi vo so bien co bat ngo. Chinh nhung su viec ky la dien ra trong truong da cuon cau vao hang loat rac roi ngoai tam kiem soat. Bo phim hoat hinh Nhat Ban ra mat khan gia vao nam 2015, keo dai trong 12 tap phim voi chu de ve doi song hoc duong va yeu to ky bi.