1girl, bare_shoulders, beach, bikini, black_hair, blue_bikini, blush, breasts, brown_eyes, closed_mouth, day, looking_at_viewer, matsunaga_kouyou, navel, nose_blush, original, outdoors, polka_dot, polka_dot_bikini, sand, skindentation, small_breasts, smile, solo, spread_legs, strap_slip, swimsuit