1girl, animal ears, bandaged arm, bandaged head, bandages, bangs, black background, blue eyes, cowboy shot, fangs, flower, grey hair, hair flower, hair ornament, happy halloween, horse ears, horse girl, horse tail, long hair, looking at viewer, make up in halloween! (umamusume), official alternate costume, open mouth, orange shirt, outstretched arms, pants, purple pants, shima aji, shirt, silk, sleeveless, sleeveless shirt, smile, solo, spider web, tail, tamamo cross (go get 'em halloween knight!) (umamusume), tamamo cross (umamusume), umamusume, zombie pose