 The English edition of the manga is published by Tokyopop, and the first volume was released in October 2006.The novel was also adapted into a 24-episode anime television series by Gonzo which aired in Japan between July and December 2006 on Chiba TV.ADV Films announced at Anime Central that they acquired the English rights to the anime, and they released DVD volume one in October 2007 with volume two released in December 2007.