Itou Junji no Neko Nikki: Yon & Muu
Junji Ito's Cat Diary: Yon & Mu
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Itou Junji no Neko Nikki: Yon & Muu

Alternative Titles

Synonyms: Ito Junji no Neko Nikki: Yon & Mu, Ito Junji's Cat Diary
Japanese: 伊藤潤二の猫日記よん&むー
English: Junji Ito's Cat Diary: Yon & Mu
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Type: Manga
Volumes: 1
Chapters: 10
Status: Finished
Published: Nov 26, 2007 to Dec 26, 2008
Genre: Comedy Comedy
Themes: Memoir Memoir, Pets Pets
Demographic: Seinen Seinen
Serialization: Magazine-Z
Authors: Itou, Junji (Story & Art)


Score: 7.421 (scored by 1282112,821 users)
1 indicates a weighted score.
Ranked: #36612
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #728
Members: 24,488
Favorites: 350
Ranked #3661Popularity #728Members 24,488
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Volumes: /1
Chapters: /10


Famed horror manga artist Junji Itou loves nothing more than to stand and admire the fresh white wallpaper, gleaming floors, and smell of his brand-new house. But his happiness is short-lived when his fiancée, A-ko, reminds him of her plan to bring her cat Yon into their new abode. As an avid dog person, Junji experiences chills down his spine whenever he recalls Yon's uncanny face and a seeming skull on his furry coat. When A-ko also decides to adopt another cat, Muu, to keep Yon company, he fears that all hell will break loose.

With Yon and Muu's arrival, the wallpaper is quickly covered in shiny, protective sheets; the floor is marred with scratches; and the stench of the litter box hangs heavy in the air. The two cats become quick friends, and—to Junji's surprise—endear themselves to the new cat owner as well. As they grow closer, the manga artist begins to believe that living with cats may not be so bad after all.

[Written by MAL Rewrite]


Itou Junji no Neko Nikki: Yon & Muu was published in English as Junji Ito's Cat Diary: Yon & Mu by Kodansha Comics USA on October 27, 2015. The same English publisher later released a hardcover collector's edition that included exclusive author interviews and a glow-in-the-dark cover on November 9, 2021. It was also published in Spanish by Tomodomo Ediciones in 2015.

Related Manga


Itou, Junji


Oct 15, 2011
This is just going to be a short review.

For me, I enjoyed reading this manga very much! A fan of Itou Junji after reading Uzumaki, I began reading his many other works. After hearing that he's not some psycho manga artist, but instead, a gentle cat lover who drew a cat manga about his real life experience with his cats, I know I must go and read that manga!

All the works from Itou junji that I have read was horror or gore related. Only this was so cute and.. normal! Normal in a way that there's no blood or rotting flesh related things appearing inside ...
Nov 8, 2015
Junji Ito, easily the greatest horror mangaka ever, decided to write an autobiographical diary about taking care of his two cute cats with his wife. It was a radical departure, but Ito's talent shined through, creating a funny, entertaining work.

Despite being a manga about two adorable felines and his wife, Ito uses the same drawing style and presentation as for his horror manga. The wife has pupil-less eyes and a demonic grin. The cats are constantly drawn as creepy, fearsome beings internally plotting among themselves for their owner's demise. Frequently, Ito draws himself as an insane monster. This ...
Jan 30, 2015
Mixed Feelings
Today, we’re looking at his cat diary that he wrote when he and his wife first got married. In the manga, he dubbed over their names and called them like J-san, A-ko, Yon, Muu, etc. It actually hardly matters because the focus on the story on how he’s trying to cope living with cats, since he’s a dog person.

What makes this pretty funny is that he’s telling a non-horror story using his signature horror style. It kinda makes things creepier than he intended but once you’re stuck in a style, it’s hard to get out of it.

There are a lot of moments where we can ...

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