mura (kanojo no oukoku), hand gesture, 1boy, 3girls, :d, arm up, armpits, beach, bikini, bikini top only, blue sky, breasts, brown hair, buttons, cleavage, close-up, collarbone, day, dutch angle, holding, looking at viewer, medium breasts, multiple girls, ocean, open mouth, outdoors, outstretched arm, shirt, short sleeves, shorts, sky, sleeveless, sleeveless shirt, smile, snorkel, swimsuit, tank top, teeth, w, water, white shirt