 Bandai Entertainment licensed the manga and released an English translation of the first six volumes in North America.The manga follows the same basic story as the anime, although there are some changes to the order of events, and the addition of character backstories that had been cut from the anime, such as the relationship between Dayakka and Kiyoh.A spin-off manga entitled was serialized in "Comp Ace" between August 26, 2008 and January 26, 2009; a single "tankōbon" volume was released on March 26, 2009.