| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kaisha ga kuroji ni naru shikumi: Shiranai to hazukashii bijinesu no kihon | 978-4-19-862938-0 (4-19-862938-2) | 2010 |
| Mochibeshon de shigoto wa dekinai: Yaruki ga denai hito no tameno atarashii hatarakikata. | 978-4-584-12368-3 (4-584-12368-3) | 2012 |
| Stupid Earn fool to throw away receipts, the point ISBN: 4022733713 | 978-4-02-273371-9 (4-02-273371-3) | 2010 |
Asahi Shimbun · ベストセラーズ (besutoseraーzu) · 徳間書店 (tokumashoten)