List of volumes

Tankōbon editions

Volume #	Details	Japanese	English
1	ISBN: 9784088563800 9781591169284 Release: JP: Jun. 14, 2002 US: Jul. 5, 2005 Chapters: 01-05
2	ISBN: 9784088564081 9781421500362 Release: JP: Oct. 15, 2002 US: Aug. 23, 2005 Chapters: 06-09
3	ISBN: 9784088564456 9781421500591 Release: JP: Mar. 14, 2003 US: Oct. 4, 2005 Chapters: 10-13
4	ISBN: 9784088564838 9781421501253 Release: JP: Aug. 8, 2003 US: Dec. 6, 2005 Chapters: 14-18
5	ISBN: 9784088565149 9781421502663 Release: JP: Jan. 15, 2004 US: Apr. 4, 2006 Chapters: 19-23
6	ISBN: 9784088565422 9781421503974 Release: JP: Jun. 15, 2004 US: Jul. 5, 2006 Chapters: 24-27
7	ISBN: 9784088565491 9781421504766 Release: JP: Jul. 15, 2004 US: Oct. 3, 2006 Chapters: 28-30

Bunkoban editions

Volume #	Details	Japanese
1	ISBN: 978-4086193108 Release: JP: Jan. 18, 2012
2	ISBN: 978-4086193115 Release: JP: Jan. 18, 2012
3	ISBN: 978-4086193122 Release: JP: Feb. 17, 2012
4	ISBN: 978-4086193139 Release: JP: Feb. 17, 2012