was a Japanese ''
shōnen''
manga magazine
Manga (Japanese: 漫画 ) are comics or graphic novels originating from Japan. Most manga conform to a style developed in Japan in the late 19th century, and the form has a long prehistory in earlier Japanese art. The term ''manga'' is used ...
published by
Fujimi Shobo
, formerly , was a Japanese publisher that specialized in light novels, manga, role-playing games and collectible card games. Founded in 1972 and reorganized three times, it was at times an independent company and at times an imprint of Kadokawa F ...
. It was first released on January 30, 2006, and was initially sold
quarterly
A magazine is a periodical literature, periodical publication, generally published on a regular schedule (often weekly or monthly), containing a variety of content (media), content. They are generally financed by advertising, newsagent's shop, ...
. Starting with the sale of the fourth volume on April 20, 2007, the magazine was sold