2girls, ahoge, animal_ears, armband, bare_arms, bare_shoulders, beach_umbrella, bikini, black_hair, blue_sky, breasts, cloud, day, flower, grin, hair_between_eyes, hair_flower, hair_ornament, horse_ears, horse_girl, horse_tail, kennedukennedy1, kitasan_black_(umamusume), knee_up, large_breasts, long_hair, looking_at_viewer, multiple_girls, navel, outdoors, pool, red_eyes, satono_diamond_(umamusume), short_hair, sky, smile, soaking_feet, stomach, strap_pull, swimsuit, tail, thighs, umamusume, umbrella, very_long_hair, water, white_bikini