2girls, animal_ears, bite_mark, biting, blue_hair, blue_one-piece_swimsuit, breasts, brown_hair, competition_school_swimsuit, dark-skinned_female, dark_skin, ear_ornament, frown, hair_between_eyes, hair_ornament, hair_over_one_eye, hair_scrunchie, hairclip, hishi_amazon_(umamusume), horse_ears, horse_girl, horse_tail, indoors, kickboard, large_breasts, long_hair, mofu_namako, multiple_girls, one-piece_swimsuit, pool, poolside, red_eyes, red_scrunchie, school_swimsuit, scrunchie, shinko_windy_(umamusume), short_hair, single_vertical_stripe, sitting, standing, swimsuit, tail, tail_through_clothes, tracen_swimsuit, umamusume, very_long_hair