Rule 34 Dev - 1girl all_fours bdsm black_bodysuit blindfold bodysuit bondage bondage_hood bound breasts catsuit ceiling chalkboard classroom collar covered_erect_nipples crotch_zipper desk dutch_angle female_focus floor gag gagged gakuen_toukou_shashin gakuen_toukou_syasin game_cg gimp_suit gimpgear gimpsuit gloves hanging_breasts high_heels humiliation impossible_clothes indoors large_breasts latex latex_suit mask nakagama_yasukazu nipples plug_gag puffy_nipples rubber running_bond satonaka_jun school shadow shiny_clothes shoes skin_tight slave solo spread_legs squatting studded_collar toukou wooden_floor zipper|146531268