Natsume is depressed to hear unpleasant stories about his grandmother Reiko's past from a relative. In addition a girl spirit confuses Natsume with Reiko, and she brands him/her as a thief.
A girl spirit comes to see Natsume who got an old towel on his school road. She said the towel is hers, and she wants to give it back to its first owner.
Natori was born in a family of exorcist who was closed business. His family gave him the cold shoulder because of his ability. When he was a high school student, he knew exorcists Matoba and Takuma each other.
To run from a spirit aim at "The Book of Friends", Natsume damaged another spirit Mitsuzara's precious hat. Mitsuzara orders Natsume to help him instead of apology.
Two spirits called "Intermediate" forced Natsume to climb a mountain where beautiful flowers blooming. Because of that, Natsume has a terrible cold in bed.
