| See also: |
| 2010 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 15 |
| 2010 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 18 (18) |
| 2010 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 17 (17) |
| 2010 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 16 (16) |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 13 |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 12 |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 11 |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 10 |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 9 (9) |
| 2009 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 14 (14) |
| 2008 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 5 |
| 2008 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 3 |
| 2008 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 4 |
| 2008 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 8 |
| 2008 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 7 |
| 2008 | Library Binding | Muhyo & Roji's Bureau of Supernatural Investigation 2 (Muhyo and Roji's Bureau of Supernatural Investigation) |
| 2007 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 1 |
| 2007 | Paperback | Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 2 |
