1girl, heterochromia, solo, long hair, horns, purple hair, purple eyes, metal collar, open mouth, cuffs, chain, collar, navel, teeth, looking at viewer, blush, flat chest, outstretched arms, underwear, nail polish, panties, demon girl, very long hair, highleg, bare shoulders, antenna hair, spread arms, highleg panties, broken chain, demon horns, black horns, shackles, simple background, strapless