He takes the form of an overweight cat and intends to take back the notebook after Natsume dies. He thus resolves to give back all the names in the age-old notebook, and in the process joins forces with another feline/wolf-like spirit called Madara (nicknamed 'Master Kitty-Cat/Nyanko-Sensei' in his borrowed lucky cat-like form) who knew Reiko when she was still alive. The series is about Takashi Natsume, an orphaned teenage boy who can see spirits, and one day finds the notebook that his late mysterious maternal grandmother Reiko Natsume, who was known to possess supremely strong spiritual powers in addition to being exceptional beautiful (both which her one and only grandchild and descendant had inhertied), used to bind dozens of powerful spirits (known as either ayakashi or yokai) that she defeated to follow her very whim and desire if called upon.
The chapters have been collected in twenty-nine bound volumes. It began serialization by Hakusensha in the shōjo manga magazine LaLa DX in 2005, before switching to LaLa in 2008. Natsume's Book of Friends ( Japanese: 夏目友人帳, Hepburn: Natsume Yūjin-chō) is a Japanese manga series by Yuki Midorikawa.
Natsume's Book of Friends: The Waking Rock and the Strange Visitor (2 OVAs).Natsume's Book of Friends the Movie: Ephemeral Bond.
