1girl, ahoge, animal_ears, black_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, hair_between_eyes, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), large_breasts, looking_at_viewer, multicolored_hair, one-piece_swimsuit, pool, red_eyes, ryuryu_mt, short_hair, solo, streaked_hair, swimsuit, tail, thighs, umamusume, water, white_hair