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