1girl, animal ears, aroa (aroamoyasi), bangs, bat wings, black bow, black bowtie, black gloves, black hairband, black skirt, black wings, bow, bowtie, claw pose, collared shirt, fang, frilled hairband, frills, frown, gloves, hair over one eye, hairband, halloween, halloween costume, high-waist skirt, horse ears, horse girl, jack-o'-lantern ornament, lace-trimmed gloves, lace trim, long bangs, long hair, looking at viewer, make up in halloween! (umamusume), official alternate costume, open mouth, orange bow, purple eyes, rice shower (make up vampire!) (umamusume), rice shower (umamusume), shirt, short sleeves, simple background, skirt, spider web print, star ornament, umamusume, upper body, white background, white shirt, wings