fukai masa, dark ages -asa no konai basho-, optim (company), game cg, 1girl, arms behind back, ass, barefoot, bdsm, blush, bondage, bound, bound arms, bound legs, bound wrists, breasts, chain, chained, chained arms, chained legs, collar, completely nude, dark-skinned female, dark skin, elf, feet, female focus, frogtie, hanging breasts, indoors, long hair, looking at viewer, nipples, nude, one eye closed, open mouth, parted lips, pointy ears, purple eyes, purple hair, spread legs, strap, suspension, toes