In the name of Hikaru Koto
- "Love Scene" (February 10, 2004, Bestsellers Photo: Seiichi Nomura) - ISBN 978-4584170908
- "Hikaru" (June 8, 2004, Futabasha Photo: Seiichi Nomura) - ISBN 978-4575296945
- As Kotrich
- "COTORINRI" 1 - (independent production) - 2009
- "COTORINRI" 2 - (independent production) - 2010
- "COTORINRI" 3 - (independent production) - November 17, 2011
- "COTORINRI" Warming - (Independent production) - 2016
- "COTORINRI" warming - (independent production) - 2016
- "COTORINRI" Nannimonai Nandemoal - (independent production) - 2017