Natsume's Book of Friends - The Sealed Room

Seizoen: 6 - Aflevering: 10 / 75 - Eerst uitgezonden: 14 juni 2017 - Episode ID: 1507939

A competition is opened to search for a famous researcher's sealed room. The prize are his research books, and many exorcists are gathered. Natori is invited, Natsume wants to help as this might mean finding something that might let him find information about the Book of Friends.