katsu aki, onoda yura, futari ecchi, 1girl, :d, bikini, bikini under clothes, black hair, blue bikini, breasts, brown hair, cleavage, dress shirt, earrings, female focus, jewelry, lipstick, long hair, lowleg, lowleg bikini, makeup, medium breasts, navel, no pants, off shoulder, open clothes, open mouth, open shirt, outstretched arms, purple eyes, shirt, smile, solo, spread arms, standing, star (symbol), swimsuit, swimsuit under clothes, transparent background, undressing, wavy hair