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Sekai Oni  
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With her parents dead or missing, Azuma has been taken into her uncle's family. However her new family has been harshly abusing her, to the point she has become so mentally unstable she developed the rare syndrome of Alice in Mirrorland, which makes her see things that shouldn't be there reflected on mirrors, water, glass, etc.

Everything begins when the things she sees start affecting the real world directly, and the barrier between reality and illusion breaks apart.

Welcome to the world at the other side of the mirror. Welcome to wonderland.


Related Series

Associated Names
World Devil

Groups Scanlating

Latest Release(s)

Status in Country of Origin
11 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.2 / 10.0 (74 votes)
Bayesian Average: 7.75 / 10.0
 36% (27 votes)
 20% (15 votes)
 18% (13 votes)
 8% (6 votes)
 1% (1 votes)
 7% (5 votes)
 4% (3 votes)
 4% (3 votes)
 0% (0 votes)
 1% (1 votes)

Last Updated
September 28th 2015, 11:43pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Ura Sunday (Shogakukan)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #264 decreased(-45)
Monthly Pos #311 increased(+75)
3 Month Pos #600 decreased(-103)
6 Month Pos #547 decreased(-247)

List Stats
On 651 reading lists
On 320 wish lists
On 11 completed lists
On 13 unfinished lists
On 116 custom lists

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User Comments [ Order by usefulness ]

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Soo dark.....   
Rating: 8.0 / 10.0
by kiriee
October 6th, 2015, 11:13pm
Really dark manga cant believe this was shounen. What make this manga great is the MC itself, if the MC change slightly this will became shitty manga. Unlike other shounen manga where the MC is wimpy kid with a LOT of excuse, Azuma(MC) was having really bad family but when the windows opened up to let her change it, she will not hesitate to take it, and that's what make this manga great, no more boring generic talk where all side character trying to persuade MC.

Read if you like bokurano.
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Greatly Dark   
Rating: 10.0 / 10.0
by annmiller
August 31st, 2015, 10:57pm
It gets REALLY dark very fast, but it is part of its charm, I always complain about how hard topics are never displayed in comics, but this feel pretty well rounded. It is innocent and mature at the same time, too realistic at a times and yet very fantasy-like. Great, original combination.
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Dark loli is consistent   
Rating: 10.0 / 10.0
by bronx819
April 17th, 2015, 8:11pm
What I usually dislike about dark plots with villainous protagonists is that, in the ones I've read, they usually turn a 180. They regret what they've done or were planning, they start being 'good', they want peace, etc.

In Sekai Oni you have Azuma, a girl who is abused by her new family, who then developed a disorder called Alice in Mirrorland syndrome. I'll try not to spoil anything but Azuma does heroic deeds for non heroic reasons, this might be familiar to some people but the thing is she's been consistent so far.

She's twisted to the point that when she realizes what happens, which shakes the other characters wills, she finally smiles and is immeasurably happy. It's not like she's gone insane or is only pretending to be happy, Azuma is genuinely pleased with the outcome.
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Dark Fantasy with mediocre art   
Rating: 7.7 / 10.0
by SNaG21
April 10th, 2015, 10:06pm
I cannot stop reading this manga. It's brutal. It's thought-provoking. It's depressing. It's fascinating. It's disgusting. It's enthralling.

Almost never before has such a complex wave of emotions compelled me to read a manga before, no matter how appalled I may be at a time.

Still... the art, most of the time, ranges from mediocre to suck-ass. Sometimes the author has a Junji Ito moment, but that's rare, although the art improves over time. The symbolism ranges from extremely interesting (the whole Alice in Wonderland thing is done exceedingly well) to bang-over-the-head subtle (a man who's an awful person has a penis on his head).

Give it a chance. You'll be hooked.
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I Recommend   
Rating: N/A
by zimbery
April 7th, 2015, 6:12pm
I went into Sekai because i wanting to read something messed up. Truest me I thought well its probably not going be that good nut now it is my Favorite dark manga . Though Sekai has given what i wanted an way way more, i didn't expect the humor at all and it is funny i dont care what you think its funny to me. it's an enjoyable to read thanks to the fast updates. thank's tsuki to chikyuu for the fast updates making this manga possible to love even that much more.

also the loli in Sekai, is rare i dont want to spoil but she not your normal manga loli

... Last updated on April 7th, 2015, 6:17pm
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Rating: 8.0 / 10.0
by Sorcha
April 7th, 2015, 3:22am
Half-way reading this comic made me think. How does this thing even get published?
Not that the story is bad, it's good enough to get me hooked. I just found myself wondering a lot when reading this.
Spoiler (mouse over to view)
But how high must you get to draw a girl killing world devil using her lover dead body as hammer?

The art style is pretty sketchy at first, but improve drastically later on. Recommended for those who like unusual, twisted story manga and has strong stomach.
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Darkly fascinating   
Rating: 10.0 / 10.0
by perpetual
January 22nd, 2015, 12:54am
I agree with namu76, this is similar to bokurano in the 'fight and there will be a sacrifice' concept- but I find this more engaging, especially on an emotional level. The characters are warped and damaged: it's sickening but morbidly fascinating. They get their own backstories and I feel like I can understand them and connect to them despite how grotesque everything is. I really feel for Azuma, but there's a slight strand of hope for them alll- this is where the mangaka shines. He creates sympathetic but human characters and puts them in creative and absolutely awful conditions-- but he does it in such an amazingly thoughtful and profound manner. It's not gore for the sake of gore. Or tragedy for the sake of tragedy... The mangaka is well aware of the plot themes and tropes- and he actively subverts or deconstructs them. There's a logical precision to this story, the mysteries are unfolding gradually: it's tightly plotted with a controlled pace.
Disturbing and entrancing. A definite 10/10.

-also thanks for the fast scanlations tsuki to chikyuu
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Rating: 10.0 / 10.0
by namu76
December 19th, 2014, 3:24am
This is pretty much similar to Bokurano. while I'd like to say this series has it's own charm point.

The characters are all whacky. Seriously, they're all crazy, which I found interesting in it's own right. Plus, there are humors (well, dark humors, actually), which I think Bokurano is lacking. And, although somewhat twisted, there is a ray of hope for the main character(Azuma)'s motive in fighting. At first, Azuma seems to give no damn about the whole thing, even almost like giving up her life. But, after the true nature of the fight is revealed, she decided to fight and kill all the remaining enemies.

Anymore than this might become spoiler, so I'd end it here. Well just give it a try. It won't hurt.

... Last updated on December 19th, 2014, 3:44am
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