| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Bukkenho. Jo. | 978-4-326-49829-1 | 2006 | Tooru Ikuyo · Takeshi Kawai |
| Saiken soron. Ge. | 978-4-326-49835-2 | 2008 | Hiroshi Mizumoto · Takeshi Kawai |
| Tanpo bukkenho. Ge. | 978-4-326-49832-1 | 2007 | Makoto Shimizu · Takeshi Kawai |
| Tanpo bukkenho. Jo. | 978-4-326-49831-4 | 2007 | Takeshi Kawai |