Toaru Kagaku no Railgun Archives 1

The Toaru Kagaku no Railgun Archives 1 (とある科学の超電磁砲　アーカイブス1) is the first audio drama/character song set released for the Toaru Kagaku no Railgun anime. It was released by Geneon on March 26, 2010 and contains two character songs for Misaka Mikoto and Shirai Kuroko along with and an audio drama.