2girls, 4boys, black camisole, black choker, black hair, black shirt, blue jacket, blue jumpsuit, bob cut, bow, bowtie, breasts, brown eyes, brown hair, brown overalls, bullbuster, camisole, choker, dark-skinned male, dark skin, everyone, from behind, glasses, grey hair, grey pants, hair behind ear, hand on hip, hover hand, jacket, jumpsuit, kataoka kintarou, key visual, medium breasts, multiple boys, multiple girls, mutou ginnosuke, nikaidou arumi, official art, okino tetsuro, outdoors, overalls, pants, pink hair, plaid, plaid vest, promotional art, red bow, red bowtie, shirogane miyuki (bullbuster), shirt, short hair, smile, tajima kouji (bullbuster), vest, white shirt