- Muhyo & Roji's Bureau of Supernatural Investigation Vol. 1 (Muhyo and Roji's Bureau of Supernatural Investigation)
- Muhyo & Roji's Bureau of Supernatural Investigation Vol. 2 (Muhyo and Roji's Bureau of Supernatural Investigation) (Muhyo and Roji's Bureau of Supernatural Investigation)
- Muhyo & Roji's Bureau of Supernatural Investigation, Volume 8 (Muhyo and Roji's Bureau of Supernatural Investigation)
- Muhyo & Roji's Bureau of Supernatural Investigation, Volume 10 (Muhyo and Roji's Bureau of Supernatural Investigation)
- Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 5 (Muhyo and Roji's Bureau of Supernatural Investigation)