Kaijuu 8-gou
Kaiju No. 8
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Kaijuu 8-gou

Alternative Titles

Synonyms: 8Kaijuu, Monster #8
Japanese: 怪獣8号
English: Kaiju No. 8
More titles

Information

Type: Manga
Volumes: 16
Chapters: 129
Status: Finished
Published: Jul 3, 2020 to Jul 18, 2025
Genres: Action Action, Fantasy Fantasy, Sci-Fi Sci-Fi
Themes: Adult Cast Adult Cast, Urban Fantasy Urban Fantasy
Demographic: Shounen Shounen
Serialization: Shounen Jump+
Authors: Matsumoto, Naoya (Story & Art)

Statistics

Score: 7.651 (scored by 7712477,124 users)
1 indicates a weighted score.
Ranked: #20762
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #58
Members: 185,767
Favorites: 4,509

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Resources

7.65
Ranked #2076Popularity #58Members 185,767
Add to My List
Volumes: /16
Chapters: /129

Synopsis

Grotesque, Godzilla-like monsters called "kaijuu" have been appearing around Japan for many years. To combat these beasts, an elite military unit known as the Defense Corps risks their lives daily to protect civilians. Once a creature is killed, "sweepers"—working under the Professional Kaijuu Cleaner Corporation—are left to dispose of its remains.

Kafka Hibino, a 32-year-old man, is unsatisfied with his job as a sweeper. From a young age, he has aspired to join the Defense Corps and kill kaijuus for a living. After a few failed attempts, however, he gave up on his dreams and resigned himself to the mediocrity that provided a decent paycheck. Nevertheless, when an ambitious, 18-year-old recruit named Reno Ichikawa joins his cleaning team, Kafka is once again reminded of his desire to join the military.

Following a chain of unfortunate events and an interaction with the junior sweeper, Kafka encounters a parasite-type kaijuu that forces its way in through his mouth—turning him into a humanoid monster. With his newfound powers, Kafka aims to give his lifelong dream a final try.

[Written by MAL Rewrite]

Background

Kaijuu 8-gou was nominated for the 14th Manga Taisho Award and placed sixth in the final ranking in 2021. It ranked third in the 2022 Kono Manga ga Sugoi! for the Male Readers division.

The series was simulpub digitally in English as Monster #8 through MANGA Plus. The volumes have been published in English as Kaiju No. 8 by VIZ Media under the Shonen Jump imprint since December 7, 2021. It has also been released in Polish by Studio JG since October 29, 2021; and in Italian by Edizioni Star Comics since March 16, 2022.

Characters


Reviews

Aug 30, 2025
Honestly, was a fun manga from the beginning to the end. There are things that could have been done better for the ending, but as a shonen manga, it has to follow certain guidelines I'm sure, and I still think that it had a great run.

Good comedy, fun fights, and kept me coming back each week. I would certainly say that within the past few years, this has been one of the better shonen manga.

If you're looking for an enjoyable manga with enjoyable characters, super cool designs, and a somewhat serious but also comedic tone, then Kaiju no. 8 will be a good read.
Jul 27, 2025
Mixed Feelings
FunnyFunny
There's a compelling argument that this series has had an incredible run of bad form. And I'm sorry to break hearts, but that's kind of true. I don't think Kaiju No 8 (kn8) was per say a terribly written series. But I do think the big climax of the whole series was underwhelming by the standard set at the very beginning of the series. When people say, this series had potential, they really just mean that the series was well written, well drawn, and interesting all at the same time. However, as the series reached its final arc, the writing and plot, honestly felt quite ...
Aug 16, 2025
To keep this short, I suspect that Kaiju no.8 was meant to be longer. That could be pure speculation, but this now-completed story can easily be broken down into two parts: The Start & The End. It’s a fairly easy read all throughout and I finished it in under 24 hours because there’s not much here to sit with when all is said and done. I gained no new knowledge, I saw nothing new, I didn’t need to hold my breath at anything this manga threw at me.

What looked to be a promising power system on both the good and bad side was nothing more ...

Interest Stacks

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