satou hiroko, real life, highres, photo (medium), 1girl, asian, bikini, breasts, character name, collarbone, female focus, groin, hand on own cheek, hand on own face, hand up, hip focus, legs together, lipstick, makeup, medium breasts, navel, o-ring, o-ring bikini, o-ring top, outstretched arm, parted lips, red bikini, rock, side-tie bikini bottom, sideboob, solo, standing, string bikini, swimsuit, wet, wet hair