K. R. · Koshi Rikdo · Koushi Rikodou · Koushi Rikudou
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Holy brownie. Vol. 2 | 978-88-89583-22-7 (88-89583-22-3) | 2006 |
| Holy brownie. Vol. 3 | 978-88-89583-71-5 (88-89583-71-1) | 2006 |
| Holy brownie. Vol. 4 | 978-88-89583-99-9 (88-89583-99-1) | 2007 |