n0 4189, daiichi ruby (brilliant red gemstone) (umamusume), daiichi ruby (umamusume), umamusume, highres, 1girl, animal ears, ascot, bib collar, black hair, bow, braid, breasts, closed mouth, dress, drill hair, drill sidelocks, ear flower, hair bow, hair ornament, horse ears, horse girl, long hair, long sleeves, looking at viewer, puffy sleeves, purple dress, purple eyes, red ascot, side drill, sidelocks, simple background, solo, twin drills, white background