| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Nihon Rodo Kumiai Hyogikai no kenkyu: 1920-nendai rodo undo no kobo | 978-4-7845-0400-8 | 2001 | Akira Ito |
| YU-GI-OH ! "R" T1 | 978-2-87129-947-9 | 2005 | Kazuki Takahashi |
| Yu-Gi-Oh ! R, Tome 2 : | 978-2-87129-937-0 | 2006 | " |
| Yu-Gi-Oh ! R, Tome 4 : | 978-2-505-00291-8 | 2008 | " |