oguri hiroko, kasuga ayumu, mihama chiyo, mizuhara koyomi, sakaki (azumanga daioh), takino tomo, azumanga daiou, highres, official art, scan, 5girls, :d, :o, ;o, ^^^, age difference, ball, barefoot, beach, beachball, bikini, black eyes, black hair, blue bikini, blush, breasts, brown eyes, brown hair, carrying, casual one-piece swimsuit, child, cleavage, clenched hand, day, flat chest, flipped hair, floral print, glasses, green one-piece swimsuit, happy, large breasts, long hair, medium breasts, multiple girls, navel, nose blush, ocean, one-piece swimsuit, one eye closed, open mouth, orange hair, outdoors, parted bangs, pink one-piece swimsuit, print bikini, print swimsuit, red bikini, rimless eyewear, seashell, shell, short twintails, small breasts, smile, starfish, surprised, swimsuit, twintails, very long hair, wading, water