kakao (chocolate land), yukaribe setsuko, original, commentary request, novel illustration, official art, translation request, 1girl, animal collar, aqua eyes, bare shoulders, bikini, black bikini, black border, black ribbon, blush, border, breasts, circle cut, cleavage, closed mouth, collar, demon girl, demon tail, huge breasts, long hair, long sidelocks, looking at viewer, pink collar, pointy ears, pout, purple eyes, ribbon, sidelocks, solo, swimsuit, tail, twintails, v-shaped eyebrows