echoo, symboli rudolf (umamusume), umamusume, highres, 1girl, animal ears, bare shoulders, black background, bow (weapon), breasts, brown hair, chest sarashi, collarbone, hadanugi dousa, hair between eyes, holding, holding bow (weapon), holding weapon, horse ears, horse girl, horse tail, japanese clothes, kimono, long hair, multicolored hair, official alternate costume, open kimono, ponytail, purple eyes, sandals, sarashi, socks, solo, streaked hair, symboli rudolf (archer by moonlight) (umamusume), tail, weapon, white hair, white socks