Natsume Yuujinchou: Season 2, Episode 5

2 - 5: The Promised Tree

Natsume encounters a spirit who was enslaved by his grandmother Reiko 50 years ago by writing his name on a torn page from the Book of Friends, and tying to a tree in a forest. Can Natsume help locate the torn page? What was Reiko's intention of tying it to a tree?