1girl, bdsm, blindfold, blush, bondage, bound, breasts, censored, chair, fellatio, hand_on_another's_head, head_grab, large_breasts, mosaic_censoring, necktie, oral, panties, penis, pleated_skirt, pussy, red_hair, rope, school_uniform, serafuku, short_hair, skirt, solo_focus, spread_legs, thighhighs, underwear