1girl, animal_ears, ball, beachball, bikini, blue_bow, bow, breasts, cowboy_shot, hair_between_eyes, holding, horse_ears, horse_girl, k0i_koi_(koihm18), long_hair, looking_at_viewer, mejiro_mcqueen_(umamusume), outdoors, purple_hair, solo, swimsuit, two-handed, umamusume, water, white_bikini