| #
| Release date
| ISBN
| Volume
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| 1
| August 23, 2006
| 978-4-06-314423-9
| Volume 1
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| List of Chapters:
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| 2
| September 22, 2006
| 978-4-06-314428-4
| Volume 2
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| List of Chapters:
| Cover Characters:
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| 3
| October 23, 2006
| 978-4-06-314433-8
| Volume 3
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| List of Chapters:
| Cover Characters:
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| 4
| February 23, 2007
| 978-4-06-314440-6
| Volume 4
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| List of Chapters:
| Cover Characters:
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| 5
| October 23, 2007
| 978-4-06-314473-4
| Volume 5
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| List of Chapters:
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| 6
| June 23, 2008
| 978-4-06-314510-6
| Volume 6
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| List of Chapters:
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| 7
| February 23, 2009
| 978-4-06-314544-1
| Volume 7
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| List of Chapters:
| Cover Characters:
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| 8
| September 23, 2009
| 978-4-06-314581-6
| Volume 8
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| List of Chapters:
| Cover Characters:
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| 9
| June 23, 2010
| 978-4-06-310672-5
| Volume 9
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| List of Chapters:
| Cover Characters:
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| 10
| April 22, 2011
| 978-4-06-310736-4
| Volume 10
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| List of Chapters:
| Cover Characters:
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| 11
| January 23, 2012
| 978-4-06-387801-1
| Volume 11
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| List of Chapters:
| Cover Characters:
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| 12
| November 22, 2012
| 978-4-06-387850-9
| Volume 12
|
| List of Chapters:
| Cover Characters:
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| 13
| July 23, 2013
| 978-4-06-387909-4
| Volume 13
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| List of Chapters:
| Cover Characters:
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| 14
| February 21, 2014
| 978-4-06-387956-8
| Volume 14
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| List of Chapters:
| Cover Characters:
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| 15
| October 23, 2014
| 978-4-06-387999-5
| Volume 15
|
| List of Chapters:
| Cover Characters:
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| 16
| June 23, 2015
| 978-4-06-388062-5
| Volume 16
|
| List of Chapters:
| Cover Characters:
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| 17
| January 22, 2016
| 978-4-06-388109-7
| Volume 17
|
| List of Chapters:
| Cover Characters:
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| 18
| August 23, 2016
| 978-4-06-388170-7
| Volume 18
|
| List of Chapters:
| Cover Characters:
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| 19
| April 21, 2017
| 978-4-06-388251-3
| Volume 19
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| List of Chapters:
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| 20
| November 22, 2017
| 978-4-06-510362-3
| Volume 20
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| List of Chapters:
| Cover Characters:
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| 21
| August 23, 2018
| 978-4-06-512433-8
| Volume 21
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| List of Chapters:
| Cover Characters:
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