hogeroh, natsuki mayu, ryoujoku gakuen, game asset, large variant set, non-web source, self-datamine, variant set, 1girl, 2000s (style), :o, blush, bound, breasts, brown hair, dutch angle, embarrassed, hair between eyes, hair intakes, half-closed eyes, half updo, indoors, medium breasts, navel, nipple jewelry, nipple piercing, nipples, nude, piercing, purple eyes, raised inner eyebrows, rope, shibari, sitting, solo, sweat, upper body