marutaya, miki sayaka, mahou shoujo madoka magica, mahou shoujo madoka magica (anime), commentary, highres, 1girl, ass, back, back cutout, blue eyes, blue hair, blue one-piece swimsuit, closed mouth, clothing cutout, competition swimsuit, fortissimo, from behind, hair ornament, looking to the side, musical note, musical note hair ornament, one-piece swimsuit, profile, racerback, short hair, shoulder blades, smile, solo, standing, swimsuit, water