| title | ISBN-13 | year of publication |
|---|---|---|
| Genki no tane: Ganbaru tokai no kigyo. | 978-4-8062-0642-2 | 2012 |
| Jiryu no saki e: Chubu zaikai monogatari. | 978-4-8062-0662-0 | 2014 |
| Shin hyakkei dagaya. | 978-4-8062-0667-5 | 2014 |
| Sofutachi no kokuhaku: Taiheiyo senso nanajunenme no shinjitsu. | 978-4-8062-0645-3 | 2012 |