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Trepanation is the procedure of drilling a hole in the skull. It is said to increase the blood circulation and improve pressure inside the skull. It is also said to bring out a person's sixth sense, the ability to use ESP, see ghosts, move objects with one's mind. This is speculative fiction based on the concept of trepanation.


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Latest Release(s)
v.14-15 (end) by Illuminati-Manga (1242d ago)
v.13 by Illuminati-Manga (1439d ago)
v.12 by Illuminati-Manga (1497d ago)
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Status in Country of Origin
15 Volumes (Complete)
2 Volumes (Bunkoban - Ongoing)

Completely Scanlated?

Anime Start/End Chapter

User Reviews

2 topics, 14 posts
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User Rating
Average: 8.3 / 10.0 (722 votes)
Bayesian Average: 8.23 / 10.0
 24% (176 votes)
 26% (187 votes)
 26% (190 votes)
 12% (88 votes)
 6% (43 votes)
 2% (11 votes)
 1% (9 votes)
 1% (9 votes)
 0% (2 votes)
 1% (7 votes)

Last Updated
June 9th 2015, 9:33pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Big Comic Spirits (Shogakukan)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #715 increased(+123)
Monthly Pos #988 decreased(-179)
3 Month Pos #779 decreased(-31)
6 Month Pos #795 increased(+3)

List Stats
On 1343 reading lists
On 1176 wish lists
On 1053 completed lists
On 89 unfinished lists
On 343 custom lists

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Forum Posts
I have a question 1609 days, 23 hours, 13 minutes ago
Hiatus OVER 2145 days, 6 hours, 50 minutes ago

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User Comments [ Order by usefulness ]

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One of the Best   
Rating: N/A
by Battlerenji
June 3rd, 2009, 11:59pm
This manga is fantastic it asks who are we and why are we that way with a strange occult twist to it. Also with the help of symbolism it gets it's point across.
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"who are we?"   
Rating: 9.3 / 10.0
by crazy_horse1989
March 5th, 2009, 5:20pm
that`s the question this series forces through our brain? we don`t know our selves at all... but still, "who are we?"

see, that`s what this series is doing, messing with our brain, making us wonder: "if that guy is like that, then how am i like"? how is my homunculus like? the question keeps bugging me... the author does a brilliant job at playing with people`s minds... one of my top 10 favorite manga, out of 127 series read so far...

there are some "WTF?" moments scattered throughout the series, like the last volume, but it`s a brilliant series... without further ado, i hope it won`t f*ck up at the end and i give it a 9.3!

P.S: i noticed that there are no chapters, the entire volume is released as a whole... a little bit weird, but i don`t actually care, as long as i have something to read... smile
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Rating: N/A
by Lomlom333
January 15th, 2009, 6:06pm
I have no clue what makes this manga a good read...most of the time it leaves me with the good old- "WTF?!" And yet, I am still looking forward to the new chapters. Read it, you'll like it.
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Better than expected.   
Rating: 9.5 / 10.0
by pikku
July 9th, 2008, 6:39am
I didn't really expect to like it that much, but I read 75 chapters in one sitting.
The characters are interesting, along with much of the plot, and it's definitely worth reading.

It wasn't very hard to follow, which was what I expected, (I usually can't get into a manga if it is.) and from all of the comments telling shoujo fans to not read this, I expected things to be much more extreme.
I could probably eat with ease while reading, so nothing's too nasty, if that's what anyone's worried about.

All in all, it's a great series, with a demented main character, and it's focus on said main character.
I would say it was a fun read, but I'm probably the only one that thinks that.
Anyway, give it a try.

... Last updated on July 9th, 2008, 6:40am
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Hideo Yamamoto's best work.   
Rating: 9.0 / 10.0
by G-17
June 19th, 2008, 3:39am
All I can say is that it's addictive.

I've never really enjoyed the author's other well known manga, Ichi the Killer, because of it's sadistic nature.... But this one really hit the spot.

The protagonist is one of the best male leads ever, in my opinion, and if they ever made a movie/series out of this, they'd have a hard time finding an actor good enough (Sir Anthony Hopkins is too old, and can't speak Japanese).

Like many other psychological type series' , it does risk dragging itself too long, though, but I'll remain optimistic.
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Rating: 9.0 / 10.0
by ArrotZang
June 11th, 2008, 8:07pm
Awesome! I can't really describe it so well, but this makes things similar to ESP believable if they are extensions of your total 5 senses. I can only hope some group translates this amazing manga.
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Totally awesome stuff...   
Rating: 8.5 / 10.0
by VampireBanana
May 7th, 2008, 6:03am
I really enjoyed this manga. Very quirky, unique, etc. ^__^ And the premise is quite brilliant. Although, volume one was a little slow but the pacing and plot picks up in the later of the series. Love the art too: it's a big improvement from Ichi where his art style was still developing.

Update: Having read the very latest volumes, I think it deserves 8.5 at best for now and nothing more as I agree with xObscurexOmen's points that Homonculus is brilliant, innovative but a little flawed for now. It remains to be seen how the plot/story will move along. But at least, it's quite an improvement from Ichi the killer where things were quite interesting but fizzled out a little towards the end, for me.

... Last updated on May 23rd, 2008, 12:57pm
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thought provoking   
Rating: 9.0 / 10.0
by Akukame
April 25th, 2008, 1:18am
For some reason, I feel drawn to manga that are very dark and deal with very psychological and philosophical themes. This is a prime example of the how this this genre should be written. All of the characters are very well developed and all the themes are well pronounced.

Although the series definitely moves with its own continuity, it actually plays out a series of psychological analysis all intertwined with philosophical themes. Partially fueled by the very flawed main character, the resulting analysis is always dark and unexpected. And as the main character solves the problems of other people, he then starts to realize more about his own problems.

Which gets to the main point of the series. Hes not really solving other people's problems or learning about other people. Its all done as an act of self realization. And the problems of these other people are really projections of his own inner demons. Which leaves the reader not only guessing what each characterization means about that person, but also what it means about the main character.

My only problem is actually that sometimes I thing the series drags itself on a bit too long and over too dark of subjects without real necessity. Which seems to both shock the reader as well as be thought provoking. But, atleast so far, I don't think it has really detracted from the series.

Overall, its a series I'd definitely recommend to people, over and over.
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Rating: 8.0 / 10.0
by Dragonfiremule
February 26th, 2008, 2:30pm
Its really good. Takes peoples problems and inner thoughts and disects them, just like in Ichi the Killer.

Actually, Its really good. Specially liked the Sand girl. =D
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Great idea, but slightly difficult to believe   
Rating: 8.0 / 10.0
by xObscurexOmenx
November 12th, 2007, 12:37pm
The premise of the manga is quite intriguing, delving into psychology and the like without pause. The homunculi described have no shortage of creativity, and the main character is suitably freaked out by them. Supporting characters are also wide-ranging, each with his/her own faults and habits, which keep the manga interesting. While some might not like the art style, it is definitely unique and realistic, two qualities that work well in this kind of manga. These factors set the scene for an amazing series, but there are a few issues that stunt its score.

1) The main character is seriously screwed up. Just when you think he's as weird as he'll get, another strange fetish/habit rears its head. This isn't a horrible issue, just one that keeps readers from deciding whether or not they like him or not. It also might drive away tentative readers.

2) This is the one that determined the score I gave this manga. Because of the main character's ability to see homunculi, he has a tendency of acting EXTREMELY strange. This is a given. However, what is very hard to believe is the way that NO ONE really gets freaked out by his actions. Now, this might be easy enough to believe if it's just in the streets, but his behavior gets even stranger when he's trying to "help" or "fix" the homunculi. But, no matter how strange and intrusive he may seem (pressing himself against people to "hear" them, touching in random places, muttering things that seem unrelated and crazy), no one seems to notice it's particularly insane. Sure, they think he's a bit weird, but no one really yells "YOU'RE CRAZY," which would be the normal response to his behavior. Similarly, no one tries to escape or run away from his actions.

Yes, the manga is very thought-provoking. Yes, it helps delve into the human psyche. Yes, the characters are interesting and varied. Yes, the art is very unique. And yes, it's extremely original.

But the major issue with it is the amount of disbelief that you have to push aside in order to get anywhere when Nakoshi (the main character) interacts with a homunculus. If this wasn't such an issue, I would definitely've given this a ten. But, since it is, I'll have to go with an eight.
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