Natsume Yuujinchou Season 4 Episode 8 English Subbed Episode Title:When I was Deceived.Episode Description: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.