nakagama yasukazu, satonaka jun, gakuen toukou shashin, gakuen toukou syasin, game cg, 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, gimp suit, gimpgear, gimpsuit, gloves, hanging breasts, high heels, humiliation, impossible clothes, indoors, large breasts, latex, latex suit, mask, nipples, plug gag, puffy nipples, rubber, running bond, school, school desk, shadow, shiny clothes, shoes, skin tight, slave, solo, spread legs, squatting, studded collar, toukou, wooden floor, zipper