sei shoujo ~seido ikusei gakuen~, katsuragi shion, koizumi amane, censored, game cg, 16:9 aspect ratio, mosaic censoring, 1girl, 3boys, anal, ass, bathroom, blush, breasts, double penetration, dutch angle, grey hair, group sex, hair ornament, hair ribbon, large breasts, long hair, multiple boys, multiple penises, nipples, nude, open mouth, parted lips, penis, ponytail, purple eyes, ribbon, semen, sex, tied hair, vaginal, decensor request