Rie Kugimiya
Radio the Combat Butler Volume 1 is the first compilation of the web radio show "Radio the Combat Butler", featuring Rie Kugimiya, the voice actor for Nagi Sanzenin, Ryōko Shiraishi, the voice actor for Hayate Ayasaki, and occasionally replacing Ryoko Shiraishi, Rie Tanaka, the voice actor for Maria. It was released by Geneon on September 21, 2007 on two CDs. The first CD contains new recordings that never aired and the second CD contains thirteen episodes of the web radio show that aired between April 6, 2007 and June 29, 2007.