Muhyo & Roji's Bureau of Supernatural Investigation, Vol. 9, 9

Exorcism Incorporated: Specialists in Supernatural Law Enforcement
Are you a victim of unwanted spirit possession? Is there a ghost you need sent up and away...or down to burn for all eternity? If the answer is yes, then you need Muhyo and Roji, experts in magic law. Serving justice to evil spirits is their specialty.
The Magic Law Association tracks down traitor Enchu's hiding place while Muhyo and friends continue to fight against the forbidden magic law practitioners known as Ark! Strangely enough, the new Ark assassin seems to have a history with Roji...