rena-hime no seiken densetsu, mattari yufi, obui, nagayori, rokko, 4:3 aspect ratio, game cg, 1girl, ass, black legwear, black thighhighs, blush, bra, breasts, brown hair, cameltoe, curvaceous, erect nipples, garter belt, garter straps, green eyes, huge breasts, legs, long hair, looking at viewer, lying, navel, pantsu, red bra, red panties, simple background, solo, spread legs, sweat, thick thighs, thighhighs, thighs, underwear, white background