Book 2

Shiki Tsukai

by To-Ru Zekuu

Published 28 August 2007

Book 3

Shiki Tsukai, Volume 3

by To-Ru Zekuu

Published 22 July 2008

Book 4

Shiki Tsukai, Volume 4

by To-Ru Zekuu

Published 30 December 2008

Book 5


Book 6

Shiki Tsukai, Volume 6

by To-Ru Zekuu

Published 24 November 2009

Book 8

Shiki Tsukai 7/8

by To-Ru Zekuu

Published 28 September 2010