1girl, animal_ears, bare_arms, bare_shoulders, bikini, black_bikini, black_choker, blonde_hair, blue_bow, blue_eyes, blue_sky, blush, bow, bracelet, breasts, choker, day, gold_city_(umamusume), hair_bow, horse_ears, jewelry, large_breasts, long_hair, looking_at_viewer, mefuyaka, navel, open_mouth, outdoors, sky, solo, stomach, swept_bangs, swimsuit, umamusume, upper_body, very_long_hair