masaki (masaki 470), matikanetannhauser (umamusume), umamusume, highres, 1girl, animal ears, bat (animal), black shirt, black skirt, blush, bow, breasts, brown hair, crescent moon, ghost, ghost costume, hair ornament, hairclip, halloween, halloween costume, hat, hood, hood up, horse ears, horse girl, jack-o'-lantern, long hair, looking at viewer, moon, multicolored hair, navel, pumpkin, red bow, shirt, skirt, sleeves past fingers, sleeves past wrists, smile, solo, stomach, streaked hair, tongue, tongue out, torn clothes, torn shirt, witch hat, yellow eyes