obaa-chan (golden retriever), mr. c.b. (umamusume), umamusume, highres, 1girl, alternate costume, animal ears, blue eyes, blush, brown hair, detached sleeves, green jacket, green sleeves, hair between eyes, hair bun, hair ornament, hairclip, hands on own cheeks, hands on own face, horse ears, horse girl, jacket, jersey maid, long hair, looking at viewer, maid, maid headdress, parted lips, simple background, sleeveless, sleeveless jacket, track jacket, unconventional maid, upper body, white background, yellow headdress