| title | ISBN-13 | year of publication |
|---|---|---|
| Hiko no shinzui | 978-4-06-206682-2 | 1993 |
| Nia-misu: 40-byonai no ketsudan | 978-4-06-205885-8 | 1992 |
| Seikan e no hiko | 978-4-06-204460-8 | 1989 |
| Tsuiraku: Hai-teku ryokakuki ga naze ochiru no ka | 978-4-06-205040-1 | 1990 |
| Zerosen no hijutsu | 978-4-06-205463-8 | 1990 |