1girl, animal_ears, black_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, daiwa_scarlet_(umamusume), fang, hair_intakes, highleg, highleg_swimsuit, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, one-piece_swimsuit, outdoors, red_eyes, solo, swimsuit, tail, theremin_studio, tiara, towel, twintails, two-tone_swimsuit, umamusume, very_long_hair