kawamochi (tddm3573), seiun sky (umamusume), umamusume, highres, 1girl, animal ears, bare shoulders, black choker, blue eyes, blue hair, brown sweater, choker, closed mouth, collarbone, hair between eyes, hand up, horse ears, long sleeves, looking at viewer, nail polish, off-shoulder sweater, off shoulder, pink nails, ribbed sweater, simple background, sleeves past wrists, solo, sweater, upper body, white background