1girl, animal_ears, ball, beachball, bikini, bikini_skirt, black_bikini, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, ear_covers, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, medium_hair, multicolored_hair, navel, nice_nature_(umamusume), simple_background, sitting, solo, stomach, streaked_hair, swimsuit, tail, totoki86, two-tone_hair, umamusume, white_background