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Aki Sora revolves around Aki Aoi and Sora Aoi, a pair of close siblings who have shared an intimate bond since childhood. During their coming of age, they each come to realize the true depth of the love they feel for each other and consummate that love in secret. They keep their younger sister, Nami, Sora’s twin in the dark about their new relationship. Nami, clueless of what is happening in her household aims to set her brother up with her best friend, Kana Sumiya. Despite these relationships Nami seems to have feelings for someone near to her too but keeps them secret.


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Associated Names
Aki Sora

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Latest Release(s)
c.30 (end) by Sunset Chaps (808d ago)
c.29 by Sunset Chaps (813d ago)
c.27-28 by Sunset Chaps (817d ago)
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Status in Country of Origin
6 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter
Starts at Vol 1, Chap 1
Ends at Vol 2, Chap 8

User Reviews

7 topics, 49 posts
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User Rating
Average: 6.5 / 10.0 (650 votes)
Bayesian Average: 6.53 / 10.0
 15% (96 votes)
 10% (68 votes)
 12% (81 votes)
 21% (138 votes)
 12% (77 votes)
 8% (49 votes)
 6% (37 votes)
 3% (17 votes)
 2% (12 votes)
 12% (75 votes)

Last Updated
June 11th 2013, 2:59pm PST

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Category Recommendations





Original Publisher

Serialized In (magazine)
Champion RED Ichigo (Akita Shoten)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #420 increased(+54)
Monthly Pos #531 decreased(-17)
3 Month Pos #518 decreased(-13)
6 Month Pos #484 decreased(-8)

List Stats
On 1703 reading lists
On 626 wish lists
On 1300 completed lists
On 137 unfinished lists
On 308 custom lists

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Forum Posts
I hate the ending... 449 days, 22 hours, 21 minutes ago
Chapter 26 792 days, 6 hours, 38 minutes ago
Is this hentai 870 days, 22 hours, 34 minutes ago
Chapter_16. "Nice boat" Ending I feel 870 days, 22 hours, 48 minutes ago
missing chpts 1038 days, 23 hours, 49 minutes ago

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User Comments [ Order by usefulness ]

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Rating: N/A
by Roloy
July 1st, 2013, 1:27am
First off, SEXY, secondly way in hell any of this is possible but it was still pretty entertaining. The plot is kinda interesting. There are three children in a family. One oldest sister and two twins. The "incest" is focused between Aki (Older Sister) and Sora (The boy of the twins) while Nami is a lesbian (For the most part)

Somehow Sora has the bitches lining up with his nervous/shy attitude, but that just makes it more fun when he is constantly seduced by multiple sexy girls.

This story kept me intrigued because ...
1. I wanted to see when Aki and Sora would be found banging and what they would do afterwards.
2. I wanted to see the next bitch that Sora would be seduced by.
3. I wanted to see seeeeeeex.
4. Boooobies.
5. ( .)(. ) ---lol

This is as close as you can get to being fully hentai. I do prefer this to hentai however But the sex scenes are pretty graphic and i'm not sure how much of a difference it would have been to sketch in some dicks and vagina's, but whatever, it still worked.

The only thing i found odd about this manga was the fact that Sora never got any of his bitches pregnant. (And that never seemed to be a concern)

8/10 ----- Really hot stuff...
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Entertaining with some few artistic moments   
Rating: 7.0 / 10.0
by Cedante90
January 29th, 2013, 5:17pm
After seeing some comments here, I wonder why there are so many people able to read manga but not genres and tags / categories on this side - as this manga delivers what the description says. Critics upon this, are just uncalled for. Critics reagrding the execution of the story however are justified by any means, specially with this story.
Nevertheless I can still recommend this manga if one doesn't held the expectation astronomicaly high. This manga is basically a hentai, so its primary focus is (who could have guessed) on the intercourse with random events leading to the obvious act. But if one is able to detach this 'hentai forced events' - let me call them that way - one will find a much greater meaning to the story: Notions of love relationships that aren't ment to be and the sentiment of unreached longig. Yes very overused topic in this genre indeed, but I don't go with the expectation of finding some kind of enlightenment in a mainly ero-oriented story. Still there were some few moments in the story were I paused and gazed upon the panel. This rare moments, which I liked art and story wise (on of them being the ending) is the reason why I can recommend this manga.
If one is interested in an average incest borderline-h story with overused topics but some intense moments, than this may be something for you.

... Last updated on September 8th, 2013, 2:23pm
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Not really good...   
Rating: 4.0 / 10.0
by MangaGhost
February 22nd, 2012, 10:43pm
Disappointing. There was some potential in the beginning for a complex story. Sora is pretty much used by everybody as a toy. He has no real will of his own and is pushed around whether its to do the cooking and cleaning or being forced to crossdress or as a sex toy. There was potential for some interesting psychological stuff there. Instead it becomes porn or as close to porn as you can get by omitting some anatomical details. Author could have talked about incest in society or other forbidden taboos in more detail, but instead its lightly touched on in what feels like a rushed ending. The best thing that can be said about this work was that I thought some of the art was very nice, but that's it.
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A joke.   
Rating: N/A
by addnine
February 14th, 2012, 9:50am
Like BadKarma was saying below I started this manga hoping for a deep complex story of brother and sister love but it turned out to be a joke. Don't take this manga seriously because the main character doesn't give a shit and will stick his shit up anything that moves.
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A crime against narrative and story structure.   
Rating: N/A
by Criminal Intent
January 31st, 2012, 3:51am
Everything I was gonna say has already been addressed by BADKARMA a few posts prior. It looks like the one good thing that came from Japan's child protection act was that it put this dull, lifeless series out it's misery.

I don't mind incest when it's done right, like Flowers of Evil or Koi Kaze (which imo tried too hard to be taboo), but Aki-Sora is just so lifeless and incoherent that it makes me very angry inside. Aki is the standard yamate nadeshiko nee-chan found throughout the hentai world. You know the one that bows bends to her brothers every beck and call, and is devoid of any personality or existence outside of her master's will. Sora is also the standard effeminate shota who's only purpose is act like a walking hard-on and engage in debaucherous sex w/ a naive youthful glee.

The main problem w/ this series seems to be that instead of focusing on one or two ideas it tries to cram all of the bad tropes, memes, and cliches from hentai into one short story and never properly develops any of it.

Oh well, the author sucks at h-manga as well, so I guess it's my own fault for giving her the benefit of the doubt.

... Last updated on February 8th, 2012, 12:27am
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They Were Raised Together and They Are Blood-Related; No Fakecest, But a Wonderful, Realistic Portrayal of a Forbidden Relationship   
Rating: 7.0 / 10.0
by Seijurou
November 29th, 2011, 12:40am
This is a great, mature manga. Each chapter has a deep meaning that makes one contemplate. Read it slowly with an open mind, and you will not regret it. Remember, it is the author that decides what happens, not you, a right she has since she was the one that created the characters and the setting. There are not a lot of stories as well-done as this one.

The main male character is too feminine for my taste, and yes, the way the characters are drawn from a distance does make them look a little fat sometimes, but how almost each chapter leaves one thinking is simply amazing. Although the story may appear stand-alone or thw most part, the plot does progress, without the reader feeling or even needing it to, a sign of an expert mangaka.

Somebody complained that the protagonist, Sora, does not feel guilty after engaging in sexual relations with other girls, that he and his sister, Aki, do not have hesitation towards being intimate with each other, and that Aki does not feel special, however, I strongly disagree.

Every time that Sora was involved with another girl, it was because either he was forced, begged, or cornered. Remember, he was pushed to be with Kana, his shy classmate who likes him, by his tough twin sister, Nami, and he was officially available. It is not like Sora could just say, 'Sorry, guys, you see, my sister and I are "together," so I can't see anyone else.' At first, he thought that being with Aki is wrong, but he just could not answer her question, 'Why?' Their relationship's being taboo and how long it would last is also explored multiple times, such as in the chapter The Red Thread of Fate, where they think about having sex while tying a thread to their fingers at a temple, and the legend says that the couple is doomed if it rips. Sora also has feelings reserved for Aki. She occupies his thinking. Satsuki Runa, the girl who goes to the same school and lives in the same building as Sora, notices a few times as well that there is a girl that he loves. Further, Aki displays signs of jealousy of Nami and Kana sometimes. However, what she does not know can not hurt her.

... Last updated on January 28th, 2012, 1:19am
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Holes! Holes everywhere! Like someone took a machinegun to it.   
Rating: N/A
by That2ndGuy
October 6th, 2011, 7:31pm
I was going to say something mildly intelligent, but it appears Badkarma beat me to the punch and in a much bigger way. I don't think a professional could have written it better, and I'm quite critical of others spelling, grammar, etc.
Basically, there are plot holes a character flaws up the wazoo. The plot is that of a porno where the pizza guy delivers food and immediately gets his dick sucked upon opening the door, except the delivery boy and customer are related. I can take random comic boxes--not even the whole strip--from the Sunday newspaper every week and make a better storyline. At first, I was entertained (yea, yea, I like incest, but I'd NEVER do something like that in real life, blech *shivers*) and it seemed like it had promise. Then after seeing the same sex scene over and over, where nothing changed mentally (other than "it's not so bad fucking my sister") and they only explored more generic positions, I grew bored. This happened within the first 10 chapters. Like Badkarma said, he felt no guilt, or any emotion at that, other than the usual affection that comes with fucking your sister (lol, what am I saying... you get the idea, I hope). The only part that was half-way decent was Nami's jealousy towards Sora for fucking the chick she likes. It's a poor read and gets repetitive fast. Maybe too fast of development in every category. This probably would have been better as a oneshot. Sora has child-bearing hips. I can't believe it got serialized, but I supposed most people don't read it for the story bigrazz
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Rating: N/A
by whitespade
August 15th, 2011, 4:23pm
im compelled to write a comment just to say your comment is AWESOME

in subject of akisora - yeah, its porn with barely coherent plot. sora is the wimpiest fucker there is. but i suppose being wimpy is the selling point. hey, he got the girls dont he?
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Good as Hentai and manga   
Rating: 10.0 / 10.0
by shamful7
June 13th, 2011, 9:38pm
Ok I consider this to be a hentai with a story simply cause I see a huge variety of emotions that usually dont go well with hentai. I also believe that something is gonna happen soon that will cause everything to start crashing down for the characters
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You've been trolled! You've been trolled!   
Rating: N/A
by Badkarma
May 1st, 2011, 8:49am
What is Aki-Sora?

The first four chapters are actually pretty good. Maybe a shade on the porn side, but we see an actual plot begin to develop.

Right off the bat, we're given the back story of our hero, an effeminate, timid boy who is dotted on by the heroine, his sister, to whom he has a clear and obvious complex over. We're also introduced to Sora's fraternal twin, Nami, who doesn't appear to be particularly fond of her brother, but also doesn't seem to hate him. More importantly, she looks to be a completely normal, "incest is wrong" twin sister. Nami's friend, Kana, is your stereotypical bespectacled shy girl with a crush on our hero.

Great! And at this point, I may have to warn of spoilers, as there may be a few below, but looking though the other comments, it's practically "It was his sled" territory by now and I'm not reveling anything critical outside of chapter 4. If anyone cares enough, I'll throw a giant spoiler box over it, but really, there is no plot to spoil in Aki-Sora, since there is no plot... Actually, on second thought, I'll put in a spoiler box anyway. I don't wanna be "that guy", however I insist not much is spoiled.

Spoiler (mouse over to view)
Ahhh, chapter one. Aki and Sora do the mattress dance, and you think: "Alright, cool. Looks like we'll be skipping the usual 20 chapters of 'But we can't!' and get right into the action and drama that will come when facing the taboo of two blood related siblings attempting a sexual relationship."


Chapter two comes out and we get a nice glimpse into the mind of Nami as well as a healthy dose of yuri. And you think: "Ohhh, I see, I see. Nami's somewhat harsh attitude towards her twin is because she loves her friend who has a crush on her brother. Hmmmm... a complex formed through jealousy over something Sora has no control over: his gender. An "as long as my beloved is happy" plot with twinges of regret and envy. Can't wait to explore that."

What could go wrong?

And so, chapter three rolls around, and it gives us some porn disguised by a cute back story with sprinklings of Sora doubting the line he's already crossed. As you remember how slender Sora's naked hips were while he was crushing his sister's internal organs, you briefly wonder why the author adds thirty pounds to his waste-line when he's wearing clothing.

Wincest is best!

Then 4.0 happens. Here, we're met with some ho who gets her rocks off exposing herself in public venues. Well... this might be interesting. And it is! But our hapless hero is swept up in infidelic sexual acts!

Oh no! How will he ever face his beloved Aki again!?


Wait, what? H-he didn't even have a TWINGE of guilt!? Nothing!? W-well, maybe that was just a side chapter. I bet in the next REAL chapter he seriously contemplates the guilt he certainly must feel over his actions in chapter 4.0.


Chapter five.


Wait! Wait! Wait! Timeout! Did 4.0 even happen!? Was that some kind of alternate reality? Am I to believe that's not considered cheating in Japan? Or am I to believe that the cute and effeminate, sister-complex shota-boy with broader hips than his female twin, doesn't understand the concept of fidelity? Chapter five didn't have the answer I was looking for. M-maybe chapter six will get us back on track.

Yes! Onward to chapter six!

Chapter six.

FFFFFUUUUUUUUUUUU!!!!!!!!!!!!!!!!!!!!! WHAT THE HELL, HERO!? ARE YOU A FUCKING BLOW UP DOLL!? GET UP MAN! GET UP! Oh good, he came to his senses. Now all he has to do is get the hell outta... HUH!? WAIT! BRIAN ... I mean.. SORA, NOOOOOOO!!!

Seriously, I couldn't give a damn what the ho is doing, who she is doing it with, how many STD's were involved in the making of this chapter and how many visits to the Maury show she'll have to make in order to find her "baby daddy". Don't care. What she does is her business.

And this may sound odd, but I don't really care that Sora heads down the path laden with barbs. Actually, you're almost to expect it. This is supposedly a story about an incestuous relationship after all, and it's a common plot point to portray one of the characters as unsure or uncommitted to his/her taboo choice, ultimately leading to mistakes that can't be undone without dealing with the major ramifications of his/her grand self destruction.

But that's the problem. He cheats, and cheats, and cheats and is never faced with any kind of regret or guilt toward betraying the supposed object of his affection, nor any real self-reflection regarding the taboo relationship they share. Aki becomes just another girl with an impressive axe-wound between her legs and Sora's got an axe to grind. And grind. And grind.

We look to chapter seven expecting to see a mind-screwed Sora who'll never be able to look Aki in the eye again, but we don't see that. He doesn't think twice about it. In fact, he gets a titty-fuck. *faceplam* This is the point where I know for certain that I've been trolled. I went to ITOSUGI Masahiro's profile page fully expecting an enormous picture of trollface as the author avatar. The brief bio simply containing the words "u mad?".

What's the point of even writing a story of this nature when the protagonist has virtually no mental or physical consequence for any of his actions? Chapter 8? Please. He's just doing his favorite blow-up doll impression... again. Later he says he was scared of her. Frightened people don't get erections and even in the event that he did get it up, you can tug and tug and tug on that little guy but he'll never cum a fucking bucket. Sorry, folks! The human penis doesn't work that way! Sure, you could use the stalwart, grade-school defense of "this is manga", but when you attempt to weave a story with "drama" and sex, I at least expect a certain level of realism (5-gallon cumshots notwithstanding). He liked it. The end.

Without a valid plot, Aki-Sora looses all it's thrill or credibility. In the beginning there's a thrill because you wonder if they'll be caught and what problems will occur when they finally do get busted. But later, rampant cheating aside, the Aki X Sora scenes will put you to sleep and it's mostly because she loses credibility as his sister. If they don't think about the moral boundaries they're crossing as they copulate like endorphin induced rabbits, then she becomes his sister on paper. It's like watching a porn movie titled "Taboo Bro&Sis Incest! Vol. 37198" starring the blackest dude you've ever seen in your life and the palest redhead in the history of the universe. NOT BUYING IT.

To which you may say "So what? If the author says they're siblings then they are!" Incorrect. It's the burden of the author to sell the idea that these two are, in fact, siblings. She portrayed that quite nicely in the beginning, but failed to maintain the status quo throughout the story. If you want an example of a work that sells the idea that 'x' and 'y' are full blood siblings completely, go read or watch Koi Kaze. Basically, any story that revolves around incest needs at LEAST one person who thinks it's disgusting and wrong and has brains enough read between the lines. Or like I said before, an unsure partner with a conscience. Or both. If you have NEITHER, then what's the point? Why even bother with "incest" if you're not going to explore the taboo?

Where are you my shining moral compass character? Nowhere.

I mean, he's banging his "sister". So what? By now, if someone were to walk in on them while they're busy SCREAMING the play by play action to their "incestuous" hump-a-thon, rather than being disgusted at the sight and sounds, they'll probably just ask to join in.

Thanks, Aki-Sora. You've just cheapened the thrill of incest. And cheating.

It's like the author thought "Hmmm... how can I spice things up for Aki and Sora? I got it! Public places!" But that plan backfires when you realize it's actually MORE dangerous for them to be doing it at HOME, thus making happy time with Aki infinitely lamer. I suppose using the magic of manga they could run into someone, but the person who interrupts the meat slapping session you're having with your sister at HOME has a damn near 100% chance of knowing who you are. Isn't that the REAL thrill of incest? Besides, aren't public adventures what the ho from chapter four is for?

Case and point. Which has more shock value? The scene at the beginning of chapter three or chapter ten?

It almost feels like I'm reading a weird, disjointed visual novel since the chapters seem to have no flow or sense of continually. Sora appears to suffer from selective plot amnesia while Aki outright disappears when it's not her turn to hide the salami. This makes it seem like I'm reading two separate routes that exist in parallel universes, never to cross... like a visual novel. Well, THREE separate routes if you include the ho in chapter four.

Wanna hop on the Nami/Kana route? Skip the first chapter and read chapter two. Skip 3, 4, 5, and 6. Read 7 and 8 then skip alllll the way to 15, 16, 17, 21, and 22. Chapter 24 is the branch point where you choose between Nami, Kana, both or neither. For giggles, you can throw in chapter 12 and 18 at random points, but treat Alice and that little ass-gnome Miharu as a cross-dressing leprechaun that only appears when Sora is day-dreaming during homeroom. Seriously, it makes more sense this way.

This would be better off if the author simply skipped the incest or any build up of a plot from the get-go since clearly it never intended to have any kind of focus or deal with it in any way. Aki is merely treated like any other bimbo he sticks his grubby little cock into, living in blissful ignorance while waiting for her brothers next bucket full of lovin'. You might be able to enjoy this title for the porn, but the male lead is an annoying shota boy with no redeeming physical or social traits whatsoever. "Ah. Oh, no! Stop! Please don't! I'm gonna...!" Bitch, please. That shit loses it's believability after 30+ sexual encounters. Stop it.

Anyway, read it if you like, but don't you DARE think for a moment it has a plot or give a damn about the characters. Read it with a grain of salt. It's porn. In fact, it's an insult to porn writers. I've seen better porn scenarios that chronicle the trials of a lone pizza boy's successful infiltration into a cougar's den and his masterful delivery of "extra sausage". Way better. You'll also notice I avoided the whole "OMG DIS ISN'T HENTAI!!" debate by calling it porn. You're right, it's not "hentai". But it is porn. Disagree? GREAT! Now, go show it to your mother. She'll be thrilled.

Fact: If you read Aki-Sora as anything other than laughable porn, the Gods of whining might compel you to write a 'way-to-damn-long' rant that I can't recommend you read even if doing so would solve world hunger.

So then to answer the question I asked... what is Aki-Sora? Nothing. Trash at best. I'm not even gonna rate it because I can't give it a zero.

... Last updated on January 31st, 2012, 2:35pm
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