natsuzakura yuuki, misaka mikoto, toaru kagaku no railgun, toaru majutsu no index, breast hold, 10s, 1girl, 2010, alternate costume, bare shoulders, blue ribbon, blush, breast conscious, breasts, brown eyes, brown hair, choker, collarbone, dress, dutch angle, female focus, flat chest, hair ornament, hair ribbon, hands on own chest, indoors, looking at breasts, matching hair/eyes, mirror, official alternate costume, reflection, ribbon, short hair, sleeveless, sleeveless dress, small breasts, solo, standing, sundress, tabard, white dress