1girl, ahoge, animal ears, ass, black background, blue eyes, brown hair, from side, grey hairband, hairband, horse ears, horse girl, horse tail, long hair, looking at viewer, looking to the side, mecha musume, mihono bourbon (umamusume), panties, pantyshot, partial commentary, science fiction, simple background, solo, tail, takuan (taku1219oekaki), umamusume, underwear