1girl, ahoge, alternate_costume, animal_ears, bikini, breasts, brown_hair, cleavage, copano_rickey_(umamusume), double_bun, ear_covers, hair_bun, horse_ears, horse_girl, horse_tail, medium_breasts, medium_hair, navel, ocean, open_mouth, purple_eyes, ranken, simple_background, swimsuit, tail, thigh_strap, umamusume, wet, white_background