1girl, animal_ears, bare_arms, bare_shoulders, beach, bikini, black_bikini, blue_sky, blush, breasts, brown_eyes, cleavage, cloud, collarbone, cowboy_shot, day, embarrassed, hair_between_eyes, horse_ears, horse_girl, horse_tail, large_breasts, looking_at_viewer, medium_hair, navel, newon, nice_nature_(umamusume), ocean, open_mouth, outdoors, red_hair, sky, solo, standing, stomach, swimsuit, tail, thighs, twintails, umamusume, water