Two of Nana's classmates play a Ouija-style game after school and find themselves in supernatural trouble. The head of a competing agency shows up to deal with the problem, but has another objective in mind involving Muhyo & Roji's bureau.
The Goryo Bureau of
Supernatural Investigation...
...مكتب غوريو لتحريّات الظواهر الغامضة
L'Agenzia di Investigazioni Sovrannaturali Goryo...