koseki masaru, fujimura shizu, hayama umi, kono aozora ni yakusoku wo, megami magazine, hand on head, official art, scan, 00s, 2girls, aqua eyes, ass, ball, barefoot, beach, beachball, bikini, blanket, blonde hair, blue hair, blush, bottle, breasts, butt crack, chips (food), cleavage, feet, flat chest, food, grey eyes, hair ribbon, hairband, hat, kneeling, lap pillow, long hair, lying, multiple girls, on side, one-piece swimsuit, open mouth, outdoors, potato chips, ribbon, short hair, smile, straw hat, swimsuit, twintails, water bottle, yuri