yameta takashi, haneda haruka, mamiya mariko, yuzuhara yuki, ikareta kyoushitsu, tinkerbell (company), game cg, 3girls, arms behind back, ass, bdsm, black hair, blue hair, bondage, bound, breasts, censored, classroom, coffle, collar, dildo, glasses, indoors, large breasts, leash, linked collar, mosaic censoring, multiple girls, nipples, no panties, nude, object insertion, public indecency, public nudity, public vibrator, pussy, pussy juice, red hair, rope, school, sex toy, slave, standing, sweat, vaginal, vibrator, wet, women livestock