Dengeki Comic Gao!
A manga illustrated by B. Tarō based on the novel was serialized in the Japanese manga magazine "Dengeki Comic Gao!" between August 27, 2005 and November 27, 2006, published by MediaWorks. Two bound volumes were later released, the first on February 27, 2006, and the second on December 16, 2006. The volumes are published by MediaWorks under their "Dengeki Comics" label.