hisayuki hirokazu, arika yumemiya, erstin ho, mashiro blan de windbloom, nina wang, my-otome, hand on shoulder, absurdres, highres, official art, 00s, 4girls, :d, ahoge, barefoot, bikini, blonde hair, blue eyes, blue hair, braid, brown hair, cat, caustics, cover, dvd cover, feet, goggles, goggles on head, green eyes, green one-piece swimsuit, inflatable toy, innertube, multiple girls, octopus, one-piece swimsuit, open mouth, orange eyes, pink bikini, pool, pool ladder, poolside, purple hair, red bikini, side-tie bikini bottom, smile, soaking feet, swim ring, swimsuit, twin braids, water, white one-piece swimsuit