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.
"Muhyo Bureau of Supernatural Investigation"
"مكتب موهيو لتحريّات الظواهر الخارقة"
Muhyo-Beratungsstelle
für magierechtliche Angelegenheiten
Agenzia di Investigazioni Sovrannaturali
 Muhyo & Roji
Бюро параномальных расследований Мухё