月刊コミックアライブ
A manga adaptation was serialized in Media Factory's seinen manga magazine "Monthly Comic Alive" between the August 2006 and August 2010 issues. The manga takes its story from the light novels that preceded it, and is illustrated by Rin Yamaki. Nine "tankōbon" volumes were released in Japan between January 31, 2007 and August 23, 2010. The manga is licensed in North America by Seven Seas Entertainment, who will release the series in four omnibus volumes.