Episode list

Natsume helped a spirit Tsukihigui. Tsukihigui makes him younger in return for his help, he loses his memory as he becomes a child.

Natsume catches the pattern of beautiful flower on some rocks and stones. He learns that is the work of spirits called Ishiarai who purifies them.

Shibata talk to Natsume about a house where dolls cursed. Natsume and Tanuma go to investigate the house.

Natsume and Nyanko-sensei found Natori's paper doll which time and place was written in downtown, Natsume worries about Natori. They go to that place, and then get to know a girl named Tsukiko.

Tsukiko is daughter of Natori's master Takuma. She asked Natori for help because something unusual has happened at Takuma's house since Takuma lost his ability.

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 is surprised when a youkai comes to seek Reiko in gratitude. Years ago, the youkai's to-be-bride received freedom from her help, and now is about to be wed. They invite Natsume to the wedding.

Natsume talks to a teenage boy at the station, who turns out to be a youkai that left a human because of their feelings for one another. The boy wants to find her because he received a wedding invitation

After a flood occurs on Four Mask Hill during Natsume's summer school session, a mask randomly appearing in the school worries Natsume.

A competition is opened to search for a famous researcher's sealed room and many exorcists are gathered. Natsume decides to go, as he may find information regarding the Book of Friends.

Natsume decides to tell Natori about his secret, when the search for the seal room ends.

Takashi encounters an old man who asks for help with getting home. The old man turns out to be a yokai who will soon disappear and he asks Takashi to help him to fulfill a promise that he had made.

A middle school girl ventures into the woods to return a ring to a white owl she helped, following the instructions he gave her in a dream. There she meets a strange boy (Takashi) and his talking lucky cat (Nyanko-sensei) who help her to find the white owl. Takashi returns his name, Hidaki, to him, and the yokai who took on the form of said owl wipes the girl's memory of their encounter. She awakens to find herself on a bench, but cannot remember how she had ended up there. She wonders where the pretty blue stone came from, which is a fragment of the ring per Hidaki's gratitude for her kindness.