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The story follows a high-school student named Kei Nagai who is caught in a traffic accident, dies, but immediately revives and learns he is not human, but an Ajin, a mysterious creature that cannot die. Scared, he runs away from humans hunting him down but is helped by his friend, Kai, who joins him in his flight from civilization. He then becomes involved in a conflict between human and Ajin and must choose a side.

Note: Only the first volume is credited to MIURA Tsuina; all subsequent volumes were written and illustrated by Sakurai Gamon.

Nominated for: (1) 7th annual Manga Taishou Award, (2) Readers Award in the 18th Tezuka Osamu Cultural Prize, (3) 38th Annual Kodansha Manga Awards (2014) in the Seinen category, (4) 40th Kodansha Manga Awards (2016) in the General category.


Related Series

Associated Names
آجین : نیمه انسان
亞人 (漫畫)
Ajin สายพันธุ์อมนุษย์
Ajin: Demi-Human
Ajin: Yarı İnsan

Groups Scanlating

Latest Release(s)
c.40 by Crunchyroll about 1 year ago
c.39 by Crunchyroll about 1 year ago
c.38 by Crunchyroll about 1 year ago
Search for all releases of this series

Status in Country of Origin
11 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter
Starts at Vol 1, Chap 1 (Season 1)
Ends at Vol 5, Chap 22.5 (Season 1)

User Reviews

4 topics, 13 posts
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User Rating
Average: 8.4 / 10.0 (439 votes)
Bayesian Average: 8.27 / 10.0
 30% (130 votes)
 24% (106 votes)
 22% (98 votes)
 13% (58 votes)
 5% (24 votes)
 2% (8 votes)
 1% (5 votes)
 0% (2 votes)
 0% (2 votes)
 1% (6 votes)

Last Updated
October 10th 2017, 2:44pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
good! Afternoon (Kodansha)

Licensed (in English)

English Publisher
Vertical (10 Volumes - Ongoing)

Activity Stats (vs. other series)
Weekly Pos #408 increased(+110)
Monthly Pos #627 increased(+78)
3 Month Pos #763 increased(+84)
6 Month Pos #856 increased(+27)
Year Pos #845 decreased(-12)

List Stats
On 3078 reading lists
On 864 wish lists
On 85 unfinished lists
On 402 custom lists

Note: You must be logged in to update information on this page.

Forum Posts
CrunchyRoll about 1 year ago
Ajin Manga Creator Wants to Return to Draw Ero-Manga over 2 years ago
Ajin - Demi-Human Manga Gets TV Anime over 2 years ago
Ajin: Demi-Human Film Trilogy Unveils Teaser Trailer, Staff from Sidonia over 2 years ago

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User Comments [ Order by time added ]

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The story should have taken another route   
Rating: 9.0 / 10.0
by Bog Initiate
July 31st, 2017, 8:41pm
This manga has a really good core idea and also some cool characters; unfortunately, I feel like it could have been much better if it hadn't took the war route. I feel like Sato took total control of the plot to a point that it's not even enjoyable. He's not anymore the smart antagonist, he's just a psycho douche who have managed to make everybody's lives a nightmare because of his silly obsession with games and death. And saying this, I don'tunderstand why so many people hate Kei; he is just pissed because Sato ruined everything, even a wonderful plot. You know, the author could have taken other paths to develop the idea of inmmortal humans, but thanks to this guy called Sato it's like we are reading a novelization with a supernatural touch of 'Enemy at the Gates' or 'Black Hawk Down'. Some people could say: 'Okay, but the story was to be about a hunting, so it was obvious that the ajins were going to rebel at certain point'; The problem with that statement is that the story didn't start that way: it showed us a guy who discovered he was an ajin and looked for help to remain safe, it was never war until Sato becase overly nosey and annoying. There's too much focus in a psycho rather than in a plot idea that could have been amazing. Personally, I didn't start reading Ajin expecting it to become in a war manga. Ajin fell in the same mistake as Death Note when it became too policial and boring.
Also, Kai is a great character, but since he hasn't appeared for 20+ chapters, I bet the author is thinking to make him reappear near the climax of the series, when people would be more than sick of Sato and Kei in a dead end. I feel bad for Kai, a character like him deserves much more than the prince to the rescue of the princess scenes, he's being treated like a shoujo manga hero instead of a cool shounen sidekick character.
So far, I just want Kei to find the way to actually kill Sato; I will enjoy that moment as much as him. Also, I beg for a better treatment to the characters that are not Sato.

... Last updated on August 3rd, 2017, 10:33pm
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Rating: N/A
by jtstellar
October 16th, 2013, 12:20am
very deep analysis into the human psyche from author's own perspective..

i say from his own perspective because everyone is bound to have somewhat varying views of humanity, therefore no matter how agreeable, it still comes down to one's view and one's only, but i would say he truly shows depth in his analysis of how the human mind works, how self interest and motivation manifests itself in a person's action especially in life or death situations and on that i can do little but express a great amount of respect, for those who possess artistic skills along with full fledged, well matured world views are rare and far in between.

you will find his drawing style both realistic yet artistic. at the same time he has obviously pondered about the world and what humanity is. i am sure he has struggled with those complexities countless times. he may not be a philosopher, but it's probably as close as one would get while being at the same time a highly skilled manga artist. this work simply sets him apart. the title is sure to join my treasured manga book collection
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Good Read!   
Rating: 10.0 / 10.0
by ayanora
January 5th, 2016, 4:00pm
While the artist taking over the project did result in a noticeable alteration of the main character's personalities...namely, the MC suddenly took on a sociopathic depth to him that was kind of unexpected, considering his characterization in the first volume was still relatively standard.
However, the egotistical protagonist does make for a really interesting character, especially when he subverts many of the usual MC characteristics.
It's also true the manga forgot about Kai....but he comes back! No worries! (Though it kind of felt more like the artist woke up one day and remembered again, rather than it was in the plan from the beginning to leave him out for what, 5 volumes?

The pacing is really good, the conflict genuinely has high stakes, backstories are overwhelmingly angsty, but not melodramatic, and everyone ACTUALLY is intelligent! Even the ?antagonists? are damn resourceful, and it really shows that a lot of thought was put into planning the story.
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Dude where's my black ghost?   
Rating: 10.0 / 10.0
by jojalee
January 3rd, 2014, 2:22am
Wow this is really good! It only has three volumes so far though and only two of these volumes have been translated into English, so the story has only just started. It's really good so far, the art is great and the story line is really original and intriguing. A lot of questions have been set that are yet to be answered and I can't wait for more of this manga. When more volumes come out I can see this manga gaining heaps more popularity.
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Oh Wow   
Rating: 10.0 / 10.0
by JapanRocks
October 17th, 2013, 7:48am
This is damn amazing. Everything is so fast paced and entertaining. The characters react the way I want them to react the normal times and just take me by surprise and make me go "WOW!!" the other times. So in other words everything in this manga is progressing smoothly and A+ for the mangaka for making me dislike humanity more than already do. I can just see them acting the same way in real life.
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Pretty good so far   
Rating: 10.0 / 10.0
by shiira.yuuki.187
July 19th, 2013, 5:24am
Well, it's only been 2 chapters so I can't really say much

But I'm already loving this!

I'd update my review when more chapters comes out
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Good now, has potential to become even better   
Rating: 9.0 / 10.0
by Megorova
June 4th, 2015, 6:31am
Originally this story was made by one author, but then he dropped it, and Ajin was taken over by artist, who continued to work on this project alone. And it became BETTER, not worse.
Also not all characters are as bad as what was said by previous reviewer. It just took some time to reveal their personalities, and motives behind their actions. Though main character is still a 'dark horse'. Only bits and pieces of his inner world is revealed here and there. He isn't a typical MC - he doesn't want to be a hero, to be friends with everyone, to be friends with his enemies, to become next Hokage, or to save the world, etc. All he wants is to survive. He's an egotist, but that doesn't make him a bad guy.
Other characters also have reasons for their actions, even main villain Sato.
Though indeed majority of humans in this story are ignorant idiots, and inert herd of cattle. They didn't care about atrocities that government and scientists committed towards ajins, they don't care what horridities were done, as long as it doesn't involve them directly - exactly like humans in real world.

Overall, good art, nice concept and even better execution. Much better than Tokyo Ghoul.

... Last updated on June 4th, 2015, 6:32am
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Rating: 10.0 / 10.0
by mercio
March 7th, 2016, 5:34pm
I just hope the end is good enough and not like other manga where the author dumbed down the character to make ending black and white. Good will always prevail over evil or other stupid shit like that.

Spoiler (mouse over to view)
A lot of people hate the main character but I think he's the only one that see the world for what it is.

"People Aren't Against You; They Are for Themselves"
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Lol what   
Rating: N/A
by That3rdGuy
December 17th, 2016, 11:27am
@jeffreymgibson What fairy tale do you live in? First of all, you have a shallow understanding of the world and the people in it. People quickly toss aside their morals for profit. You can think highly of yourself all you want, but you're the same way. These scientists see immeasurable promise by studying Ajin. If you really think there is no more human experimentation these days, you'd be mistaken. Whether it's by the government or a powerful corporation, these things happen behind closed doors.
As far as the story is concerned, the public doesn't really know about the Ajin experiments (something you'd know if you paid attention, as they mention it quite often). The citizens seem to think everything they see on it is CGI (a common theme, makes me wonder if there's any truth to it in reality) or that it's some urban legend, up until the plane crash.
Also, you mistake fear for hatred. Imagine if you watched someone you know get mangled by a vehicle just to regenerate. You'd freak out. It's the fear of the unknown that makes people act irrationally. And yes, background characters tend to be one-dimensional. Fascinating insight. Seeing as the manga revolves around Ajin, I wouldn't expect there to be many humans with much character development.
One last thing, you think this is suited for middle school kids? Are you mentally impaired? A seinen manga for children, that'd be a first. I'm sure they could wrap their heads around the adult themes, like torture or terrorism. Oh, but there's violence and gore, so you must be right lol.

In short, all of your points are based on something besides this manga, because pretty much all of them are addressed. Like the scientist who helped Kei, the fact the public doesn't know about Ajin experiments or if they actually exist for like the first 25 chapters, and the fact that there are some humans that aren't one-dimensional. I wonder if you've bothered reading more than a couple chapters.
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Definitely enjoying it!   
Rating: 9.0 / 10.0
by rninty
August 21st, 2017, 5:26am
There are a few chapters near the beginning where the main character’s personality seems out of sync with his past and future characterization, but that stops and the story is better for it.
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