Muhyo & Roji's Bureau of Supernatural Investigation

Muhyo and Roji's Bureau of Supernatural Investigation (ムヒョとロージーの魔法律相談事務所) is a manga series by Yoshiyuki Nishi. The series premiered in Japan in Weekly Shōnen Jump in December 2004, and ran until its conclusion in March 2008. The individual chapters of the series were collected and published in 18 tankōbon volumes by Shueisha.

The series is licensed for an English language release in North America by Viz Media, which released the first volume of the series in October 2007 under its "Shonen Jump" manga line.

A sequel manga was announced, which will begin running on the Shonen Jump+ website in spring 2018.

Plot
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.

Official

 * Official Viz Muhyo and Roji's Bureau of Supernatural Investigation site

Other Sources

 * http://www.animenewsnetwork.com/right-turn-only/2007-10-23
 * http://www.animenewsnetwork.com/review/muhyo-and-roji-bureau-of-supernatural-investigation/gn-2
 * http://www.animenewsnetwork.com/right-turn-only/2008-05-13