1girl, animal_ears, backless_dress, backless_outfit, baozouyeguai, bare_shoulders, breasts, circlet, closed_mouth, daiwa_scarlet_(umamusume), dress, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, looking_at_viewer, looking_back, orange_hair, orange_tail, purple_eyes, sideboob, sleeveless, sleeveless_dress, smile, solo, tail, twintails, umamusume, very_long_hair