| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Afirieito de nen sanzenman kasegu hito no kensaku ki wado no hosoku. | 978-4-7980-3868-1 (4-7980-3868-7) | 2013 |
| Afirieito de nen sanzenman kasegu hito no kokokunushi ga kakenai kensaku ki wado hassoho. | 978-4-7980-4191-9 (4-7980-4191-2) | 2014 |