The husband of Touko Fujiwara. Along with Touko,Shigeru took Natsume over and he and his wife raise him as their own child. He is a quiet and considering man. When he was young, he met Natsume's grandmother, Reiko. When Shigeru was a young boy,he met Reiko and they became friends.

The second season of Natsume Yuujinchou. 
As with its prequel, Zoku Natsume Yuujinchou is about Natsume Takashi, a boy who has had the ability to see youkai since he was young, and his bodyguard youkai, Madara, nicknamed Nyanko-sensei. Natsume attempts to return names written in his Book of Friends, which he inherited from his grandmother Reiko, to youkai in his village. Throughout these adventures, he meets some youkai that are friendly, some that want to steal the Book of Friends, and some that want to kill him. Natsume learns about himself and his relationship with youkai along the way. 
(Source: MAL Rewrite)

Natsume has always been an outcast because he inherited his grandmother's ability to see yokai. After moving to his grandmother's hometown and accidentally releasing a yokai imprisoned in a Lucky Cat statue, he learns about his grandmother's "Book of Friends," which contains the names of the yokai she defeated, and allows its wielder to command the yokai named within. Since then, yokai now visit him on a daily basis, seeking to either get their names back or take possession of the Book of Friends. 
(Source: NIS America)

The third season of Natsume Yuujinchou. 
Takashi Natsume has always been shunned by those around him because of his mysterious ability to see yokai. Eventually, he came into possession of his grandmother Reiko’s “Book of Friends,” and together with his bodyguard Nyanko-sensei he set out to return the names of the yokai contained within it. Since then, he’s found a home with the Fujiwaras and surrounded himself with friends at school. Little does he know he's about to be dragged unwittingly into further trouble... 
(Source: NIS America)

The fourth season of Natsume Yuujinchou. 
 
Still in possession of his grandmother's Book of Friends, Natsume spends his days returning the names of yokai to their rightful owners. He has been learning how to deal with the yokai and humans that surround his life, but the time has come for him to deal with something even more difficult — his own past, and future. 
(Source: NIS America)

Natsume Yuujinchou OVA which will be aired on 5th February 2014.

The Blu-ray & DVD package will also includes the Chapter ~ SOUND THEATRE x Natsume's Book of Friends ~ gathering sound play which was held on September 28.
 
Natsume takes a walk to enjoy the first winter snow and happens upon a snow-woman youkai searching for something she's lost and but can't seem to remember. While she causes anything she touches to freeze and it’s unclear what she’s looking for, he decides to help her search. (Source: ANN)

When Reiko was Takashi's age, she bound the names of demons and spirits in her Book of Friends, enslaving them to her capricious whim. Now Takashi is the owner of the book, and the creatures will do anything to get their names back.
 
(Source: Viz Media)

The fifth season of Natsume Yuujinchou.

The sixth season of Natsume Yuujinchou.

Two special episodes bundled in the fourth and fifth volume of the Blu-ray/DVD.


The seventh season of Natsume Yuujinchou.

Shigeru Fujiwara