1girl, :d, animal ears, belt, black shorts, black sleeves, blue eyes, bracelet, breasts, brown belt, brown hair, crop top, days in a flash (umamusume), demon wings, detached sleeves, fingernails, full moon, hair between eyes, halloween, horns, horse ears, horse girl, horse tail, jewelry, legs, looking at viewer, medium breasts, mejiro palmer (devil in the moonlight) (umamusume), mejiro palmer (umamusume), midriff, moon, multicolored hair, multicolored nails, nail polish, navel, official alternate costume, open mouth, partial commentary, ponytail, short hair, shorts, single detached sleeve, smile, solo, stomach, streaked hair, tail, thighs, tks (526tks), umamusume, white hair, wings