1girl, animal_ears, bikini, blue_bikini, blush, breasts, brown_eyes, brown_hair, cleavage, ear_ornament, ear_ribbon, horse_ears, horse_girl, horse_tail, kawai_(purplrpouni), large_breasts, long_hair, looking_at_viewer, navel, open_mouth, outdoors, satono_diamond_(umamusume), solo, swimsuit, tail, thighs, umamusume, very_long_hair