Dengeki Comics
A manga adaptation illustrated by Keito Koume began serialization in the November 2007 issue of ASCII Media Works' seinen manga magazine "Dengeki Maoh". The first "tankōbon" volume was released by ASCII Media Works under their Dengeki Comics imprint on March 27, 2008; 16 volumes have been published as of February 2018. Yen Press licensed the manga series at New York Comic Con 2009, and began releasing the series in English in North America.