MF Bunko J
The manga series was published in Japan by Square Enix in the magazine "Monthly Shōnen Gangan" beginning in 2002 and continuing for eleven volumes, ending in 2007. This series was created by the manga group Kaishaku, the group also known for creating "Steel Angel Kurumi". The series was also published by Media Factory as four volumes under the light novel label MF Bunko J. No English translation of this manga series was ever officially released and this manga series was never licensed for publication outside Japan.