Natsume discovers that the heirloom "Book of Friends" that his grandmother, Reiko, gave him possesses the names of the spirits she defeated and bound to her will. Assisted by a cat whom Natsume addresses as Nyanko-Sensei (lit. Master Little Meow), Natsume aims to return all of the names to their rightful owners.
Elenco: Hiroshi Kamiya , Kazuhiko Inoue , Ryohei Kimura , Miyuki Sawashiro , Sanae Kobayashi , Akira Ishida , Hisayoshi Suganuma , Miki Itou , Eiji Itō , Kazuma Horie , Junichi Suwabe , Rina Satou .