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≠ - Not Equal  
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From Fujoshi Bitches:
“Tomorrow, I’ll put a curse on my father…”
Right after reuniting with his father, from whom he’d been separated when he was a kid, Ryou suddenly traveled back in time 22 years, during the peak of the bubble economy of the Showa era!
There, he met his father, Konomi, who was 3 years younger than he was…!
Living in an unknown environment with the uneasiness of wanting to go back to his own time, Ryou was anxious. But being comforted by the pure-hearted Konomi, his feelings gradually started to change… The first volume of Ike Reibun’s loved original work!


Related Series
Bi no Kyoujin: X Side (Side Story)

Associated Names

≠ ノットイコール
Not Equal
Not Equal ≠

Groups Scanlating

Latest Release(s)
v.2 c.1-6 + extra (end) by Fujoshi Bitches (413d ago)
v.1 by Fujoshi Bitches (818d ago)
c.A Day in Early Summer by BL-Gyaru (1672d ago)
Search for all releases of this series

Status in Country of Origin
2 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.5 / 10.0 (621 votes)
Bayesian Average: 8.4 / 10.0
 36% (226 votes)
 24% (147 votes)
 19% (118 votes)
 9% (56 votes)
 6% (36 votes)
 2% (10 votes)
 1% (4 votes)
 2% (11 votes)
 0% (1 votes)
 2% (12 votes)

Last Updated
August 24th 2017, 5:52pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Be x Boy Gold (Libre Shuppan)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #504 increased(+134)
Monthly Pos #797 decreased(-49)
3 Month Pos #848 decreased(-4)
6 Month Pos #853 increased(+6)

List Stats
On 540 reading lists
On 315 wish lists
On 1428 completed lists
On 35 unfinished lists
On 468 custom lists

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User Comments [ Order by time added ]

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Rating: 3.0 / 10.0
by hkanz
October 16th, 2014, 10:54pm
There are people to whom this plot will make sense: Freudians, believers in the concept of soulmates, people who think that men are sex-crazed animals, anyone willing to overlook gaping flaws in logic. Everyone else will be bewildered by how our 17-year-old MC, after mysteriously (it's never explained how it happens) going back in time to when his father was fourteen, decides after two weeks - yep, two weeks - that he's so madly in love with his father that he needs to introduce said father to the pleasures of male flesh. While giving his father a blow job, our MC takes the time to muse about how the ejaculate 'might be himself' - it isn't, which is sad because that particular twist would have saved us from the rest of the story, which consists mainly of the dumbass being angsty.

Don't get me wrong, I don't hate incest plots. Flowers of Evil and Koi Kaze are two examples of incest done well - stories in which the characters build up or start out with a believable emotional bond and sex occurs only after much consideration. Father-fucking after two weeks is the stuff of comedy, not the serious drama that this story attempts to be.
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it's NOT bad...   
Rating: N/A
by lilyann1984
May 20th, 2012, 2:57am
...but not as good as you may think after seeing the high rating. For a smutty yaoi title it's interesting, pretty serious and NOT bad. But life changing? Come on! The son went back in time just to f*** his father (Was there another reason? Will it ever be explained why the time travel happend in the first place?) They felt in love pretty fast and then he returned so the story now revolves around the forbiden feelings both have for each other. It's a story about forbidden love with some fantasy elements thrown in. Not more and not less (I have to mention that I never really liked Ike Reibuns love scenes. Where all the body fluids come from? I have never seen something like that in real life. Should it be erotic? No man has so much sweat or sperm or saliva or whatever - thank god!).
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if not for this series....   
Rating: 10.0 / 10.0
by keyracunan
August 3rd, 2011, 10:49am
the idea of a guy fall in love and has sex with his biological father creeps me out before I read this series. Fortunately I read this one without reading any summary or warning, because if I did, I wouldnt have read it (Time Travel. Incest. Definitely a big lame no, right?) But then I'm glad I read it, because this story is so... tragically beautiful. Now I dare to say, if somehow they're not biologically related (as some ppl might hope) then this story would lose its essence.

Gosh, Konomi is a real FILF xDD
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Rating: 10.0 / 10.0
by shakiya
May 6th, 2011, 2:33am
very charming but with a touch of melancholy-my fav cup of tea! From the first chapter you know the main guy will return to the present(lol DUH!) and the father is going to be utterly devastated but you can't helping thinking there might be a good ending. Incest is oh-so-wrong but I cant help falling in love with the father. Who doesn't love a bespectacled cutie? Certainly not mebigrazz
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Rating: 9.0 / 10.0
by kurosu_yuuki
June 12th, 2016, 10:24am
I had written my entire review without even mentioning the incest. That’s because I don’t really care for it or about it. First of all, that’s just a concept created by society. If you’re not able to conceive (as two guys, for example), it doesn’t really matter if you’re related or not. You, as yaoi readers, you be more open-minded. Furthermore, if you do have a problem with incest, you haven’t read enough yaoi. I’ve been a yaoi reader for almost 15 years and I’m young, so there is really nothing I haven’t seen yet. If there is something you are getting surprised about, that just means you haven’t gotten deep enough into the genre.

Now back to what matters. I've started reading this manga because someone said it was the best portrait of yaoi incest they’d ever seen. While I can't agree with that statement, as I've read better ones with that theme, this is one of those rare, deep, intense stories that you should stop everything to read. But beware! After reading the first volume (roughly 130 pages), I was thoroughly disappointed. The first volume is a complete cliché. Nothing special, except the time-travel (which is never, at any point of the manga, explained). Though I like sci-fi, since this wasn't a story about that, I think it's better off that they did not explain the time-travel. However, the story was quite boring. Being transported to the past, having to make your own money because you have none of that time's currency, having to adapt...none of that was original for me. Also, the way Ryou and Konomi fall in love in the first place wasn't even surprising. Thunder, hugging and leading to kisses and sex, in two weeks? Boooring. And Ryou didn't even hesitate to kiss his father. However, I do think that can be overlooked as Ryou’s feelings might be a little more interesting. Even though that was not put out there at any point, I think part of the reason he fell in love with Konomi was because he wanted to feel close to his father in the first place.
With that being said, in the second volume, I understood. I finally understood why this manga is popular. The way the volume begins is already heart-wrenching and it only gets better from there. They struggle with their feelings the whole volume, like it should be always, in every single manga. After all, it's not a matter to be taken lightly. While I didn't shed a single tear, and I cry with just about anything, I do think the pace was just right: slow and difficult. One of my favorite things about this manga is the sexual tension. Since they are holding their feelings back so much, every time they see each other, it's so deliciously angsty. I also really like how there are no stereotypical attempts at making this manga like any other yaoi. No situations where a girl comes in and the other character is jealous and screaming (even if the extra is about that, it's just a cute, short story, nothing dramatic), no sleeping around until they realize their feelings for another...nothing. This is purely a story about feelings, and years and years go by before it can be resolved.
The artwork is quite good, though I don't really love Konomi's face. As for their personalities, I love Ryou. He's not a particularly outstanding seme, just hot, a bit sex driven, nice, a little but pushy and stubborn. Konomi is not my type of uke at all, as he's so whiny and annoying. I can't stand him when he's 14/15. When he's older, though, it seems like he gets a little bit better. There is actually a great point in this. It is very clear how Konomi has a different maturity level than Ryou, both when he is younger and when he is older than him. Past-Konomi is still a kid, scared and exploring the world. Adult-Konomi is actually more reasonable and, unlike Ryou, who acts on his emotions, he is very realistic and it shows that he is an adult and not an adolescent / a young adult.
I don't really enjoy how they cry so much in this manga too. I understand it is a hard thing to go through, but it seems like they are ALWAYS crying. The flow of their thoughts, on the other hand, is really good and well-constructed, and frankly, quite different from everything else I've ever read.
I did like the sex scenes. It's not always the seme that has to attack and give the uke pleasure - it works both ways. And I've seen mutual affection in the sex scenes in this manga. I do think the way they finally end up together is weaker and quicker (the scene on its own) than I expected, but the dialogue is absolutely beautiful and astonishing.
To summarize, this manga has both positive and negative points. I cannot give it a 10, as a lot of people have, because it is NOT perfect. But I will give it a high rating because that's what it deserves.
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what should I say...   
Rating: 9.0 / 10.0
by kidoraku
March 8th, 2014, 5:27pm
It was twisted. I mean it. But still I was totally into it that I couldn't stop to read until the very end. If you don't mind or like forbidden love theme you'll definitely love this one.
Also I found two extra chapters: first one - translated to english "extra" and the next one - 8 pages with really hot sex, but japanese RAWs only. I hope somebody will translate this cause there's something important about Ashizuka (or at least I think so).
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Definitely Different   
Rating: N/A
by chigguh
December 19th, 2012, 12:21am
I actually went into reading this manga without any prior knowledge or background information, so I had no idea what I was getting into. As I realized this was a yaoi incest manga I was pretty shocked but just silently accepted it and continued on reading. Till the end I was wishing they were not actually blood related and that he was a step dad. But no. This is a drama and not just your typical cookie cutter yaoi. This was actually an amazing read but I suppose it's more fitting for older yaoi readers, not old in age but rather in experience of reading yaoi. I tend to stay away from drama because whenever I read I get really emotional (this series made me shed several tears).However I loved the mangaka for keeping it as real as possible as far as the characters' personal and inner conflicts. You really have to keep your mind open but the characters have no problem convincing you to forget your morals.

Definitely different, but give it a try.
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A True Gem   
Rating: 9.5 / 10.0
by whitenette
August 18th, 2012, 10:05pm
Reading all the other reviews, I'm a bit confused as to what people are reading.
For me, this was a beautiful story that had a good pace throughout the two volumes.

For the plot, time travelling is a bit of a stretch in a drama and incest based BL, especially as the catalyst. However, this opened up to the father and son relationship. It makes the incest completely logical. I'm not a fan of incest (I didn't see the incest tag when I read this), I don't feel disgusted with this pairing at all. The emotions are 90% convincing. The 10% missing is because I don't see how you can have sex with a 15year old without internal struggle (ignoring the incest of course).
The emotions in this is just overwhelming. This takes incest to a whole different level (in a good way)

The art:
Ignore the horrible cover. The content is completely different. Every cover art I've seen has been gross. Like some rape scene. WHICH is so not true.
The inside however, was pretty good. I wouldn't say wonderful or anything because there aren't any reason to describe the art as that. The art is just, suitable. A bit sketchy at times, but fine. The expressions are the best parts. There's a lot of detail on the mouth, which is the most critical point of an expression.
The H scenes are a bit lacking but that is not the point of this manga. In fact, I wouldn't have minded if they skipped it.

A reviewer mentioned they were quite tired after reading it.
Yes. I agree, but in a good way. This manga stimulates a lot of brainwork. It's tiring in the sense that normally you don't go through this many emotions in 30mins.

Please read it. It's wonderful.
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Rating: 10.0 / 10.0
by Dezi
November 11th, 2011, 7:08pm
I usually only comment on complete manga. But this one really got me! I can't wait for the next chapter. The plot is so different, so sad, so compelling. I'm really torn between emotionally justifiable and morally wrong. It's awesome!
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Pretty good considering...   
Rating: N/A
by roxslide
February 28th, 2014, 4:06pm
Really wasn't bad. Besides biology, the main morality issue standing in the way of incest is the whole question of whether the "caretaker" is taking advantage, or maybe even raised the kid into the whole relationship, the matter of consent is just too messy. But ike reibun found a loophole for that and I applaud her for ingenuity, this definity isnt a typical run of the mill incest. However that being said, I would say beyond that its not amazing. Not much else happens thats beyond your average bl manga. There are also a few things in the manga that could have been more tidy, like Ryou's motivations that drew him to his young father in the firstplace, knowing that it was really his father? Its kind of gross if you think that maybe he was that desperate for his love and attention he would do anything.....

... Last updated on February 28th, 2014, 4:09pm
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