| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Poison killer in the world killer file hell - murder king <2> ISBN: 4884692624 | 978-4-88469-262-9 (4-88469-262-4) | 2002 |
| Uncontrolled monster - Devil World killer file murder king labyrinth Hen ISBN: 4884695143 | 978-4-88469-514-9 (4-88469-514-3) | 2007 |