| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| はい 三菱商事です―OLたしなみ読本 hai mitsubishishoujidesu―OLtashinamidokuhon/ | 978-4-06-201661-2 (4-06-201661-3) | 1985 |
| ヨコ出世のすすめ yokoshussenosusume | 978-4-06-201417-5 (4-06-201417-3) | 1984 |
| 新さらりーまん塾 atarasarariーmanjuku | 978-4-06-200958-4 (4-06-200958-7) | 1984 |