1girl, animal_ears, bare_shoulders, bikini, black_hair, blue_bikini, blue_eyes, bob_cut, breasts, choker, collarbone, day, eishin_flash_(umamusume), halterneck, hands_up, horse_ears, horse_girl, horse_tail, large_breasts, mountainous_horizon, multi-strapped_bikini, navel, ocean, open_mouth, outdoors, rainbow, short_hair, smile, solo, splashing, standing, string_bikini, swept_bangs, swimsuit, tail, umamusume, vococo, wading, water, wet