[Machine Translation] One day, while taking a walk with Nyanko-sensei, Natsume catches sight of what looks like a piece of mirror that fell from a tree. Tanuma, who was protecting Natsume, became possessed by a demon. The demon says that if she cooperates in collecting the broken mirror, it will leave her body. Natsume and his friends decide to search for the mirrors, but there is another specter in their midst...? Published in July 2009.