ZONE-00 is a manga created by Kiyo QJO (a.k.a. Kiyo Kyujyo) that is published by KADOKAWA SHOTEN and was first released in 2007 in Japan. ZONE-00 also ran in Beans Ace magazine and had stopped publishing in October 2009. Currently, eleven volumes have been released in Japan. TokyoPop released four of these volumes before closing its North American publishing branch in May 2011.