Dengeki Comic Gao!
The manga series began serialization in the Japanese shōnen manga magazine "Dengeki Comic Gao!" on October 27, 2005, published by MediaWorks. When "Dengeki Comic Gao!" ceased publication on February 27, 2008, the manga was transferred to its sister publication, "Dengeki Daioh" on April 21, 2008. The final bound volume was released on August 27, 2011. The volumes are published under ASCII Media Works' "Dengeki Comics" label.