中経出版 (chuukeishuppan) · 光文社 (koubunsha)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Isshun de kachi o toru kakehiki no gijutsu. | 978-4-8061-4337-6 (4-8061-4337-5) | 2012 |
| Kaiwa wa saisho no hitokoto ga 9wari | 978-4-334-03631-7 (4-334-03631-7) | 2011 |
| Yakuzashiki bijinesu no dotanba de shinrisen ni makenai gijutsu. | 978-4-334-78600-7 (4-334-78600-6) | 2012 |