| title | ISBN-13 | year of publication |
|---|---|---|
| Kyoko Karasuma y-files. Vol. 1 | 978-88-7471-365-3 | 2012 |
| Kyoko Karasuma Y-files. Vol. 2 | 978-88-7471-377-6 | 2012 |
| Kyoko Karasuma Y-files. Vol. 3 | 978-88-7471-378-3 | 2012 |
| Kyoko Karasuma Y-files. Vol. 4 | 978-88-7471-379-0 | 2012 |
Hiroi Ouji · Ohji Hiroi · Oji Hiroi · OKU Hiroya · Oku Horoya · Ooka Harue