3girls, 6+boys, d, ^^^, animal_ears, appleq, backpack, bag, bare_arms, bare_shoulders, black_hair, black_shirt, black_shorts, blue_male_swimwear, blue_one-piece_swimsuit, blue_shirt, brown_hair, brown_shirt, brown_shorts, crossed_arms, dress, ears_through_headwear, faucet, flower-shaped_pupils, forehead, goggles, green_headwear, grey_background, grey_footwear, grey_shorts, grey_socks, hair_down, hair_over_one_eye, hands_up, hat, horse_ears, horse_girl, horse_tail, knees_up, long_hair, male_swimwear, multiple_boys, multiple_girls, navel, one-piece_swimsuit, outstretched_arm, partially_submerged, pink_dress, pink_socks, polka_dot, polka_dot_legwear, ponytail, purple_eyes, randoseru, sakura_bakushin_o_(umamusume), school_hat, school_swimsuit, shirt, shoes, short_sleeves, shorts, sidelocks, simple_background, sleeveless, sleeveless_dress, smile, socks, sparkle, squatting, swept_bangs, swim_cap, swim_trunks, swimsuit, symbol-shaped_pupils, tail, topless_male, umamusume, unworn_hat, unworn_headwear, unworn_swim_cap, uwabaki, v-shaped_eyebrows, water, wrap_towel, yellow_headwear