[Machine Translation] One day, Natsume receives a letter from Matoba, the head of the exorcism family. However, before she can read it, she loses it. While Natsume is feeling uneasy because she does not know the contents of the letter, Matoba himself appears! What is his purpose? Two special episodes describing Natsume's encounter and interaction with her friends Nishimura and Kitamoto are also included. This is the 13th volume of "Ayakashi kyodan"! Published in January 2012.