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Onii-chan no Koto Nanka Zenzen Suki ja Nai n da Kara ne!!  
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From Operation Boredom:

Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on?


Related Series

Associated Names
I Don't Like You at All, Big Brother!!
Oniichan no Koto Nanka Zenzen Suki ja Nai n da kara ne!!
Oniichan no Koto Nanka Zenzen Suki Janain Dakara neó!!

Groups Scanlating

Latest Release(s)
c.85 (end) by Nirpan (458d ago)
c.84 by Nirpan (488d ago)
c.83 by Nirpan (519d ago)
Search for all releases of this series

Status in Country of Origin
12 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter
Starts at Vol. 01, Chap. 01

User Reviews


User Rating
Average: 7.3 / 10.0 (394 votes)
Bayesian Average: 7.25 / 10.0
 21% (84 votes)
 13% (50 votes)
 17% (66 votes)
 19% (74 votes)
 10% (40 votes)
 7% (29 votes)
 5% (18 votes)
 3% (11 votes)
 1% (5 votes)
 4% (17 votes)

Last Updated
January 11th 2017, 3:20pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Comic High! (Futabasha)
Web Comic High! (Futabasha)

Licensed (in English)

English Publisher
Seven Seas (5 Volumes - Complete)

Activity Stats (vs. other series)
Weekly Pos #656 increased(+133)
Monthly Pos #1436 (No change)
3 Month Pos #1671 increased(+103)
6 Month Pos #1842 increased(+73)

List Stats
On 2265 reading lists
On 569 wish lists
On 249 completed lists
On 146 unfinished lists
On 301 custom lists

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User Comments [ Order by time added ]

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Rating: 9.5 / 10.0
by khmershinobi
January 30th, 2010, 10:58pm
Ecchi manga don't usually appeal to me, but I decided to give this one a chance based on its long title alone.

First off, the relationship between the brother and sister is downright STRANGE, not to mention hilarious while I'm at it. I was thrown off by the younger sister's uncalled for actions, which only made me want to read more. My desire to do so was also fueled by how ridiculously perverted and stupid her older brother is.

Yes, he is portrayed as the common Japanese boy with porn in his room, but the guy somehow manages to take it to another level.

If you're offput by the brother-sister part then you shouldn't be cause there isn't much to worry about concerning THAT. Other than that though, if you like funny and weird, then I suggest this to anyone looking for something a bit different and new to read. I'm generally a shoujo and yaoi reader, so whenever I stumble upon a different genre and read something else, then it has to be something that I actually like.

This, I like. (as far as the latest chapters that is)
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Rating: 9.0 / 10.0
by Selenium_Glow
May 21st, 2010, 6:55am
Read this for it's pure Hilariousness... the girls in this manga are some of the wackiest (and scheming) girls I've ever seen in any manga...

Yes, I'll recommend this because this really isn't incest...

And yes...

The Hilariousness is situational... not a string of cheap one line (and annoying) jokes. smile
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Rating: 10.0 / 10.0
by surion84
April 15th, 2009, 7:24pm
This Series is great, it is truly hilarious how both P.O.V's are intergrated and the pure ecchiness of the comic makes it a great comdey manga. This is probably the first manga i have ever really laughed out loud at i can see this is going to be a great and funny series. I highly recommend it for anyone looking for a laugh with some ecchi
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Hilarious as fuck   
Rating: 10.0 / 10.0
by Dubby
December 26th, 2008, 11:11pm
Honestly, this series is epic. I thought it be "meh", but as soon as I got the translation scripts... omfg, I was dying of laughter. And I'm not the kind of person to laugh easily at manga (rarely do comedy mangas actually make me laugh).

Nao is so hilarious, you can't help but laugh at her stupid stunts. It's so retarded, yet retarded in a good way.

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Rating: N/A
by U-Jin
July 3rd, 2009, 12:55pm
If you like ecchi comedies without much sense/story, this one is a must !
Not as great as 'Oretama' or 'Yuria' but still quite good.

Very slow updates are painfull tho :/

... Last updated on July 3rd, 2009, 12:55pm
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Uninteresting, Repetitive, Painfully Boring.   
Rating: 1.0 / 10.0
by Kaitou21
July 28th, 2013, 8:26pm
Truly a terrible manga, just plainly fails, first and foremost there is almost no actual plot to speak of its mostly just the main heroine trying to get her brother's attention in some "ecchi" way's, later on a couple more females show up and boom, a harem. This manga is also incredibly slow, at least 5 chapters in a row were basically reprints of each other with almost nothing new happening, worst of all its just plain boring, there is 0 appeal for this title. You would be better off finding a different "incest" manga to read. Just goes to show that most title's with long name's (90%) are usually pretty bad

... Last updated on September 5th, 2013, 7:50pm
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Incest! Let's kill the mangaka   
Rating: 8.0 / 10.0
by khaledias
June 23rd, 2013, 10:32am
I guess all that people don't read or watch any film with murder, raping, or anything that's illegal or a sin or whatever on it. Judging any story because of that is clearly wrong.

This is a comedy manga first, far from hentai, is even light ecchi (haven't read in a while but I don't remeber any nudity, just underwear). All the characters are messed up, but they are likeable perverts. Try it if you don't stand in a higher moral ground and are looking for some light comedy.
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Surprisingly good.   
Rating: 8.0 / 10.0
by Glad-kun
November 16th, 2016, 6:43am
I've looked at it long time ago, when there only was about a dozen chapters out and I put it on my wishlist. Came back now when it's fully out and translated to read it. Reviews kinda scared me, but it turned out just fine.

The main appeal of this manga is manipulative mastermind sister, who is set to keep her brother's eyes on herself. All the strategies and mindgames... After couple of volumes of set-up, the story goes into arc-mod, when girls start to get close to her brother for one reason or another. And all of them are weird. It's a fun read, if you are not to sensitive with your anti-fetishes.

The whole incest thing is not explicit enough to turn me away, and at this point I'm almost immune to "fan-service".
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Rating: N/A
by jcie069
January 14th, 2012, 7:35am
i've read your comments and its highly recommended.. yeah. but uh, i don't know.. i guess its not for everyone huh.. i didn't find it funny at all.. just a young girl wanted to be fuck by her big brother by all means which means do everything she can to make her brother get horny.. that's what comes in to me when i read it.. (even theyre unrelated) so its really weird for my taste..
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Rating: N/A
by france
December 25th, 2008, 10:32pm
normally, from my stand point, i don't like incest much especially from the hentai point of view but this manga is probably my first exception. i like the comedy and ecchiness no doubt but i also like the way its original and how thoughts are incorporated... eh...only read the first chapter, hopefully plot and ecchiness improves but not to the point of a hentai..
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