shimama n a, ikuno dictus (umamusume), umamusume, highres, 1girl, adjusting eyewear, animal ears, black shirt, breasts, brown eyes, closed mouth, covered collarbone, ear ornament, frown, glasses, hand up, horse ears, horse girl, jacket, jewelry, necklace, off shoulder, open clothes, open jacket, orange hair, puffy nipples, rimless eyewear, ring, shirt, short hair, simple background, sleeveless, sleeveless shirt, solo, upper body, white background, white jacket