Nyanko-sensei falls into a well and discovers that there is a barrier inside it, as well as Nanase, Matoba's assistant. She is looking for a certain stone with a youkai she had sealed in it, and tells Nyanko-sensei the story of how she met the youkai to pass the time.
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 .