kamei, shiraishi kotone, seito kaichou hikaru, game asset, large variant set, non-web source, official art, self-datamine, variant set, 1girl, :o, bdsm, blush, bondage, bondage outfit, bound, breastless clothes, breasts, dominatrix, elbow gloves, gloves, harness, large breasts, leather, long hair, mole, mole under mouth, nipples, open mouth, purple hair, simple background, solo, strap, tachi-e, thighhighs, transparent background, yellow eyes