1girl, alternate_costume, animal_ears, black_thighhighs, brown_hair, buruma, closed_mouth, earrings, horse_ears, horse_girl, horse_tail, jewelry, kusanagi_kaoru, long_hair, looking_at_viewer, multicolored_hair, outdoors, outstretched_arms, purple_eyes, single_earring, smile, solo, streaked_hair, stretching, symboli_rudolf_(umamusume), tail, thighhighs, umamusume