Ichiban Ushiro no Dai Maō(いちばんうしろの大魔王), or Demon King Daimao, is a Japanese light novel series by Shōtarō Mizuki, with illustrations by Souichi Itō. As of December 1, 2009, eight volumes have been published by Hobby Japan under their HJ Bunko imprint. A manga adaptation by Souichi Itō started serialization in the shōnen magazine Champion Red on September 19, 2008.