1girl, d, animal_ears, armpits, barefoot, black_one-piece_swimsuit, blue_sky, border, breasts, brown_hair, clash_kuro_neko, cleavage, cloud, cloudy_sky, competition_swimsuit, from_above, green_eyes, highleg, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, maruzensky_(umamusume), one-piece_swimsuit, one_eye_closed, open_mouth, outdoors, ponytail, presenting_armpit, sky, smile, solo, swimsuit, tail, thighs, toes, umamusume, white_border