Rule 34 Dev - 2boys back_muscles black_hair gintama gintoki_sakata hand_on_ass hijikata_toshiro looking_at_another looking_at_viewer looking_back male male_only male_pubic_hair mormormor muscular muscular_male pubic_hair pubic_hair_peek scars silver_hair smile tongue_out topless topless_male underwear|7288820840