2girls, alternate costume, animal ears, black hair, blush, breasts, brown hair, cleavage, collar, collarbone, crop top, daitaku helios (sunshine angel) (umamusume), daitaku helios (umamusume), days in a flash (umamusume), dress, fang, hair between eyes, halloween costume, holding hands, horse ears, horse girl, horse tail, looking at viewer, magata001, medium breasts, mejiro palmer (devil in the moonlight) (umamusume), mejiro palmer (umamusume), midriff, multiple girls, official alternate costume, shorts, tail, umamusume