rena-hime no seiken densetsu, mattari yufi, obui, nagayori, rokko, 4:3 aspect ratio, censored, game cg, mosaic censoring, 1girl, areolae, armpits, bdsm, breasts, clenched teeth, collar, dark skin, female, huge breasts, leg lift, legs, leg up, looking at viewer, navel, nipples, nude, pink eyes, pointed ears, pubic hair, purple hair, short hair, simple background, slave, solo focus, sweat, thighhighs, thighs, vagina, white background