hino hino, izumi konata, kobayakawa yutaka, lucky star, 00s, 2girls, ahoge, alternate hairstyle, arched back, areola slip, bandeau bikini, bikini, blue hair, blush, braid, cousins, flat chest, green eyes, innertube, loli, long hair, micro bikini, midriff, mole, mole under eye, multiple girls, nipple slip, nipples, ocean, pink hair, pretzel bikini, red hair, short hair, smile, standing, swim ring, swimsuit, water, wet