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 To Aru Kagaku no Railgun anime. It was released by Geneon on March 26, 2010 and contains two character songs and an audio drama.