Koroshiya 1
Ichi the Killer
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Koroshiya 1

Alternative Titles

Synonyms: Koroshiya Ichi
Japanese: 殺し屋1〈イチ〉
English: Ichi the Killer
More titles

Information

Type: Manga
Volumes: 10
Chapters: 114
Status: Finished
Published: Feb 19, 1998 to Apr 5, 2001
Genres: Action Action, Drama Drama, Suspense Suspense
Themes: Gore Gore, Organized Crime Organized Crime, Psychological Psychological
Demographic: Seinen Seinen
Serialization: Young Sunday (Weekly)
Authors: Yamamoto, Hideo (Story & Art)

Statistics

Score: 7.641 (scored by 1363013,630 users)
1 indicates a weighted score.
Ranked: #21792
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #578
Members: 34,246
Favorites: 923

Resources

7.64
Ranked #2179Popularity #578Members 34,246
Add to My List
Volumes: /10
Chapters: /114

Synopsis

Ichi may seem like a spineless weakling—but when the tears start flowing, a terrifying transformation takes place. Driven to his mental breaking point, Ichi becomes an unstoppable force of carnage, unleashing a torrent of violence on his next target. When his destructive path collides with Kakihara, a sadomasochistic yakuza boss with a penchant for pain, it ignites a bloody spiral of chaos, depravity, and unimaginable brutality.

(Source: Seven Seas Entertainment)

Background

In 2001, Koroshiya 1 was adapted into a live-action film which was directed by Takashi Miike.

The series has been published in English as Ichi the Killer by Seven Seas Entertainment as 2-in-1 omnibus volumes since July 29, 2025. It has been published in Spanish by ECC Comics since February 20, 2015.

Characters


Reviews

Apr 2, 2008
Ichi the Killer is a Seinen, Psychological, Thriller about a twisted yakuza warfare involving psychological mind games. The story itself is about excommunicated gangsters seeking revenge however this isn’t made clear until later on in the manga.

For the most part the story follows a fearsome killer known by his codename (Ichi) and the orders he undertakes from his so-called uncle. The main story may lack some depth but it tries to add some by revealing the past bullying experiences of Ichi, which led to his current state of mind. Although it doesn’t seem to do a good job at relating it to the present, it ...
Jul 12, 2023
Mixed Feelings
FunnyFunny
If I wasn’t recommended this manga from a trusted friend I would not have given it a chance or endured so much just to finish this manga. In fact I kind of wish I hadn’t read it.

I feel like everyone who has a high review of this manga either lacks the intelligence to understand the distinction between true ero guro and something created solely to be edgy and offensive with no true purpose in its writing. I have a rule of thumb that if a horror manga is dependant on sexual violence it’s just a piece of shit and thats that. But this particular ...
Apr 2, 2018
FunnyFunny
warnings: rape and abuse are mentioned so be warned and for yall that scoffs at warnings like these then I have no interest in engaging in any conversation with you so just keep on trucking.

This is the ultimate misogynist paradise. If you hate women, then boy you're a fuckin a loser and I've got some good news for you. The writing is atrocious like instead of developing characters the writer seems more interested in displaying hyperviolence non-stop, which you know, isn't necessarily a bad thing but when you hate each and every character in the cast the hyperviolence comes off as mindless and boring.

And ...

Interest Stacks

37 Entries · 8 Restacks
by Idk5008
47 Entries · 21 Restacks

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Recent Forum Discussion

Poll: Koroshiya 1 Chapter 103 Discussion
Kajo_Senpai69 - Nov 9, 2019
17 repliesby Huncho »»
Aug 2, 3:10 PM
WHERE TO READ?
sm_aisn - Dec 13, 2021
6 repliesby GinIonSui »»
Oct 23, 2024 7:20 AM
Poll: Ichi The Killer Chapter 96 Discussion
Rasco - May 18, 2013
6 repliesby iDensity »»
Sep 11, 2022 6:31 AM
Poll: Ichi The Killer Chapter 42 Discussion
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2 repliesby PirateHasan »»
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Poll: Ichi The Killer Chapter 31 Discussion
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