Natsume helps a youkai out of a pot, and as a "reward", is made young again. But Natsume is already young, and making him younger just confuses him and addles his memories. When he doesn't know who to trust, will he have the strength to know who his real friends are?

Natsume's town is visited by a stonewasher: a powerful magical being capable of purifying tainted rocks. The stonewasher is looking for its lost student, and turns to Natsume for help.

Natsume gets a call from his old "friend" Shibata, who he once helped with a youkai problem. Shibata wants him to come visit, and Natsume reluctantly agrees. He and Tanuma pay Shibata a visit, and have a pleasant chat at a park. But when Shibata mentions a local haunted house, Natsume finds his visit has turned into more than he expected...

Natsume watches a movie starring Natori, and when he's done he finds one of Natori's paper dolls. The doll is soaked and the text on it is impossible to read, and Natsume becomes concerned for Natori's safety. He travels to the location that's just barely legible on the doll, and finds a young woman whose home is haunted by not one, but three youkai.

Natsume finds that Tsukiko's home is haunted by not one, but three separate youkai, each with its own motivations. One wants to protect Tsukiko's father, and the other two... Natori wants to exorcise them and protect Tsukiko, but Natsume wants to find some way to protect them. Is there a peaceful solution?

Natsume's friends reflect on how they met him, and the difference he made in their lives. He's found a home, and he means a lot to the people who live there.

Natsume meets a youkai named Gomochi, who has come in search of Reiko. The youkai has a message for Reiko, and wants to thank her for a favor she did him long ago. In hearing his story, Natsume comes to learn more about his mysterious grandmother.

Natsume is on his way home when he finds a letter on the ground. The letter seems to belong to a nearby man, who asks Natsume to take him to his school. The man is actually a youkai, who was once deeply involved with a human girl. He cut the relationship off, but the girl isn't ready to give up...

Natsume travels to an inn for a study session with the rest of his class. While he's there, a flood washes away a local shrine. The shrine is said to house three masks, but Natsume can see four...

Natori is trying to find information on Natsume and his book of friends. Meanwhile, Natsume visits his house to deliver some of Touko's homemade jam. But this is the start of an adventure...

Natori's group searches the Hakozaki mansion for the study. But other forces want the powerful magics contained within, and Natsume doesn't want them to have it...

Tanuma gives Natsume some clay, and he tries his hand at sculpting a figure. However, the next day, the figure has disappeared, and other strange things are happening in the house. Is a Yōkai causing mischief in the house? Or is it just a rat?

Natsume is forced to help rebuild a tiny house that's a residence for a goddess.

Natsume is caught up in a mysterious game between youkai and man.

Natsume and Kitamoto are victims of a horrid curse.

Chobi is depressed because his favorite comb broke. Meanwhile, Natsume sees a white dragon in the sky...

Natsume meets Matoba in an unusual place. Matoba hunts for a dangerous yokai at an abandoned mansion.

Taki's brother suddenly comes home from college, and has something very important on his mind...

Nishimura finds Natsume coming to visit him each night at his house, but something seems strange...

Natsume finds himself in a house with a strange ritual, and unknown forces moving against those who would perform it.

Natsume, Natori and Matoba work to complete the ritual to welcome a powerful god.

Natsume meets the very first Yokai whose name was written in the Book of Friends.

Natsume takes in a strange origami doll that shows wonderful dreams.