Gender Male
Anime Debut Episode 05
Voice Actor Tetsuya Yanagihara
Book of Friends
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Mikuri is Santou’s best friend.

He was possessed by an evil force in the area of Kiriganuma, but recovered with Natsume and Nyanko-sensei's help.


When he was in the beast form, his appearance was the same as catfish, a large cat fish.


He seemed to have a short-temper, as he easily gets angry when Santou gave his name to Reiko. He cares a great deal about Santou even though he never showed it in front of Takashi and Nyanko.


It's never mentioned how long Mikuri and Santou have been friends, but it's implied that they've known each other for centuries. One day, Santou fought Reiko Natsume and lost to her and gave her his name, which angered Mikuri.

They both got in an argument, which ended with Mikuri telling Santou that he never wanted to see him again.


It's never stated, but some time between his argument with Santou and Takashi Natsume bringing Santou back, earth spirits possessed Mikuri and vengefully sought after Santou.

His form was changed from the small black creature to a giant catfish with large tendrils that could grab anything. He tried to snatch the Book of Friends, but Santou intercepted it and tried apologizing to Mikuri. Mikuri ignored him and started attacking him.

Thanks to Nyanko-sensei, however, Mikuri was restored to his original form and he made up with Santou. They currently reside in the mountains and are getting along much better.


  • His name is not contained in the Yuujinchou.