Ichiban Ushiro no Dai Ma, also known as Demon King Daimao, is a Japanese light novel series written and illustrated by Shotaro Mizuki and published by Hobby Japan under the HJ Bunko banner. The first volume was released on February 1, 2008, and as of December 2010, there were 11 volumes available. A manga adaptation began monthly serialization in the September 2008 issue of Akita Shoten's magazine Champion Red, and a 12-episode anime adaptation by Artland aired between April and June 2010 on Tokyo MX and other stations.