Weekly Shōnen Champion
A manga of the series written by Yōsuke Kuroda and illustrated by Yasunari Toda was published in the magazine "Weekly Shōnen Champion" between October 4, 2001 and June 20, 2002. The manga was collected in a total of five "tankōbon" (book) volumes. Tokyopop licensed this series in October 2002. They released the manga between March 11 and November 4, 2003.