1girl, alternate_costume, animal_ears, arm_up, bikini, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, grey_background, hair_ornament, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, motti_(motthi0711), nice_nature_(umamusume), simple_background, solo, swimsuit, tail, umamusume