長鴻出版社
is a Japanese manga written by Yōzaburō Kanari and illustrated by Kuroko Yabuguchi. The manga was serialised in Shueisha's "Weekly Young Jump" and collected in nine "tankōbon" volumes by Shueisha, released between September 16, 2005 and May 18, 2007. The series is licensed in North America by Viz Media with nine "tankōbon" volumes released between June 10, 2008 and October 13, 2009. The manga is also licensed in Taiwan by Ever Glory Publishing.