| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 30ans個人的恋愛論 30anskojintekirenairon | 978-4-06-205328-0 (4-06-205328-4) | 1991 |
| 彼をふりむかせる誘い方・口のきき方 karewofurimukaseruizana/ | 978-4-06-206550-4 (4-06-206550-9) | 1993 |
| 誰にも話さなかった恋 darenimobanashi/ | 978-4-06-208285-3 (4-06-208285-3) | 1996 |