| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Kenzen Na Nikutai Ni Kyōki Wa Yadoru: Ikizurasa No Shōtai | 978-4-04-710006-0 (4-04-710006-4) | 2005 | Takehiko Kasuga |
| Machiba No Daigakuron: Uchidashiki Kyōiku Saisei | 978-4-04-370704-1 (4-04-370704-5) | 2010 | |