Ichiban Ushiro no Daimaō

, also known as Demon King Daimaō, is a Japanese light novel series written by Shotaro Mizuki and illustrated by Souichi Itō, published by Hobby Japan under their HJ Bunko imprint. The first volume was published on February 1, 2008, with a total of 11 volumes available as of December 2010. 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.

Plot
This story of "love, magic, and battles" revolves around Akuto Sai, a boy who aims to become part of his country's highest order of magicians and contribute to society as one of its clergy. On the day he is admitted into the Constan Magical Academy, his aptitude test predicts the following: "Future Occupation: Demon King." Thus begins his severe school life in which he is resented by his studious female class head, desired by a girl with mysterious powers, and guarded by a beautiful female android.