1girl anal anal_object_insertion arms_behind_back artist_request bdsm black_hair blue_eyes blue_hair blush bondage bound breast_bondage censored chalkboard character_request classroom clitoral_stimulation clitoris_torture dutch_angle female gaping hairband helpless hexagram hook hooks huge_clitoris humiliation indoors labia_piercing labia_pull mosaic_censoring nipple_piercing nipple_pull nipple_torture nipple_weights nipples nude object_insertion open_mouth pain piercing pubic_hair pussy restrained rope school_desk screaming shibari short_hair slave spread_legs spread_pussy squatting star_of_david sweat torture weights