Rule 34 Dev - 2boys bite bite_mark biting blood blush bodily_fluids breath crotch_grab crotch_rub from_behind gay gintama hand_in_pants hijikata_toshiro implied_sex male male_only monochrome neck_bite on_side open_pants pants_down police_officer police_uniform shinsengumi_(gintama) sweat unbuckled_belt uniform yamazaki_sagaru yaoi|7801608520