1girl, animal_ears, bare_arms, bare_shoulders, bikini, black_bikini, blush, breasts, brown_eyes, cleavage, collarbone, cowboy_shot, embarrassed, hair_between_eyes, horse_ears, horse_girl, horse_tail, large_breasts, looking_at_viewer, medium_hair, navel, newon, nice_nature_(umamusume), open_mouth, red_hair, simple_background, solo, standing, stomach, swimsuit, tail, thighs, twintails, umamusume, white_background