1girl, animal_ears, bikini, black_bikini, breasts, brown_hair, cleavage, ear_ornament, ear_ribbon, hitomin_(ksws7544), horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, medium_breasts, nail_polish, navel, outdoors, ponytail, satono_diamond_(umamusume), see-through, smile, solo, swimsuit, tail, umamusume, very_long_hair, wet, wet_clothes