totomono, seiun sky (umamusume), umamusume, commentary request, highres, 1girl, animal, animal ears, aqua hair, black cape, black hat, blue eyes, broom, cape, cat, ears through headwear, ghost, grave, halloween, hat, horse ears, horse girl, jack-o'-lantern, looking at viewer, open mouth, orange background, school uniform, short sleeves, sitting, skirt, socks, solo, tracen school uniform, white skirt, white socks, witch hat