Medium: Spirit Medium Detective Hisui Shirozuka

I know the culprit. But a medium is not evidence. What to do!? Psychic medium Hisui Shirozuka guesses who the culprit is, and mystery writer Shiro Kazuki uses logic to show ``evidence other than the medium.'' The two take on a number of difficult cases, but the evil hands of the culprit responsible for the serial abandonment cases that are shocking the world are closing in on Hisui!!