toaru kagaku no railgun, toaru majutsu no index
saten ruiko
kizaki aoi
1girl, bikini, black hair, blue bikini, blue eyes, breasts, detached collar, digital media player, earphones, flower, hair flower, hair ornament, long hair, medium breasts, navel, object in clothes, object in swimsuit, solo, star (symbol), swimsuit, thighhighs, wrist cuffs
commentary request