katuko deluxe, mejiro ramonu (umamusume), umamusume, highres, 1girl, alternate costume, animal ears, black hair, black skirt, blue sweater, braid, braided bun, breasts, casual, closed mouth, hair bun, high-waist skirt, holding own arm, horse ears, horse girl, horse tail, jewelry, long sleeves, multicolored hair, necklace, purple eyes, short hair, side slit, skirt, sleeves past wrists, small breasts, solo, standing, streaked hair, sweater, tail - Image View -