Gira Gira Now!

Gira Gira Now! (ギラギラNow（なう）！) is Misaka Mikoto and Shirai Kuroko's duet image song for the Toaru Kagaku no Railgun anime sung by their Japanese voice actors and.

It appears as the second track on the Toaru Kagaku no Railgun Archives 3, and was released on July 30, 2010.