Viz Media released both from September 6, 2005 to October 30, 2007.

Viz Media released the five volumes between July 6, 2001 and April 7, 2004.

Viz Media released the series in North America between 2009 and 2010.

As of 2013 Viz Media has released the manga in five different formats.

Viz Media released its own deluxe two-volume box set on November 6th, 2012.

Viz Media will release the first volume on June 4, 2013.

Viz Media licensed and released an English translation of the series in North America.

Viz Media has released this volume in English as well.

Viz Media released the first volume with English translation in 2010.

Viz Media released the novel as a 824-page book on August 14, 2007.