1girl, ahoge, animal_ears, bikini, black_hair, blue_eyes, breasts, cleavage, collarbone, daring_tact_(umamusume), hair_ornament, horse_ears, horse_girl, horse_tail, innertube, looking_at_viewer, medium_breasts, medium_hair, navel, ocean, one_eye_closed, open_mouth, outdoors, sky, swimsuit, tail, taniko_shanokoya, umamusume, water