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Kakumei no Hi  
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Kei is a normal--if very pretty--young boy in high school. One day, he falls ill and is taken to the hospital. They find, much to everyone's surprise, that "he" actually has a female genotype even though "his" phenotype is male!! A little bit of surgical work solves the problem, and cool male hero Kei becomes innocent female heroine Kei. And what a female! "He" was cute before, but she is a beauty now.


Kei Yoshikawa, a normal - if very pretty - boy in high school is one day informed that he is genetically female. The shocking relevation causes Kei to restart his life as a beautiful girl named Megumi, while keeping it all a secret from her very handsome male friends. And of course they immediately find out, but all begin hitting on her?!


Related Series
Princess Princess (Side Story)

Associated Names
День революции(Russian)
Day of Revolution
The Day of Revolution

Groups Scanlating

Latest Release(s)
v.2 c.4 by Dragon Voice Project (3382d ago)
v.2 c.3 by Dragonvoice (3462d ago)
v.2 c.2 by Dragon Voice Project (3601d 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: 7.9 / 10.0 (503 votes)
Bayesian Average: 7.83 / 10.0
 19% (97 votes)
 21% (106 votes)
 24% (123 votes)
 19% (94 votes)
 6% (29 votes)
 5% (24 votes)
 2% (9 votes)
 1% (3 votes)
 1% (4 votes)
 3% (14 votes)

Last Updated
March 28th 2015, 11:09am PST



Category Recommendations





Original Publisher

Serialized In (magazine)
South (Shinshokan)
Wings (Shinshokan)

Licensed (in English)

English Publisher
DMP (2 Volumes - Complete)

Activity Stats (vs. other series)
Weekly Pos #852 increased(+95)
Monthly Pos #1172 increased(+88)
3 Month Pos #1392 increased(+49)
6 Month Pos #1427 increased(+82)

List Stats
On 334 reading lists
On 465 wish lists
On 1857 completed lists
On 32 unfinished lists
On 253 custom lists

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User Comments [ Order by usefulness ]

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Good premise, funny execution   
Rating: 8.3 / 10.0
by murasakihebi2
January 20th, 2015, 6:04pm
Funny story with interesting characters. My favourite character is Makoto, the best girlfriend of the MC. In a harem series full of guys going a for the MC without showing us any development, she is a nice fresh addition. If the manga was longer, and the end game option came later, it would be exciting to see how their relationship develop. Would the MC regret becoming a girl? Would they go for shounen ai? I would love to see that!
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Good but short   
Rating: 7.0 / 10.0
by imagelesskink
March 5th, 2014, 4:14pm
I loved the plot and characters, but it had a rushed feel and an abrupt ending. The author should have spent more time showing how Megumi adapted to being female and about her and Mikoto dating.
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Worth a read   
Rating: 9.0 / 10.0
by promise2sweet
September 6th, 2011, 11:27pm
Overall it is a cute and (sometimes) funny story. It deals with serious issues in a non-threatening way - the idea of being transgender and gender as a social construct and not simply genetic - it's actually quite subtle. Don't get me wrong, this is definitely a comedy, but it has serious undertones. While it's not on my favorites list, I did enjoy reading this series.

My favorite in this genre is Click, by Lee Youngran (
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Funny, but short   
Rating: N/A
by tsubasa22
June 26th, 2011, 11:13pm
I think this is one of those stories that would have been better as a longer series. The author could have developed the story and characters more if it was longer. With only two volumes, it seems sort of...lacking.
But overall, it's a good short-read. It was funny. I don't usually laugh while reading mangas, but this one made me chuckle here and there, and I like the romance. Harems are usually a bother for me because I end of not liking the choice of the female lead, but I liked the love interest in here. The heroine's inner conflicts are rather well described for a comedy, which I also liked (it sort of explained why she chose a certain man and not the others). ....But it's too short. This could have been a really great longer story...
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Rating: 7.0 / 10.0
by holibelle
May 9th, 2010, 5:19am
if you are looking for something funny to read then you can try this. i was laughing really hard. however, i'm disappointed with the romance. it's like they just inserted it there. i had hope that Kei/Megumi ended up with one of his/her friends. that might be exciting. >.< the other thing i don't like is i find the ending kinda rushed. i don't know but it feels like the mangaka just wanted to finish the story.
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It was pretty good   
Rating: N/A
by HumptyTortie
November 28th, 2009, 10:11pm
It was quite unpredictable, and keeps me thinking who the female lead would end up with ~ It was also unusual,
Spoiler (highlight to view)
The author chose to let the lead end up with the brother
which makes the whole story very enjoyable.

A pity is that the 2nd volume was boring, and one chapter doesn't make any sense! (Chapter 3) I feel that that chapter is redundant, and would not have any constructive link to the actual story.

Chapter 2, on the other hand, was the main catch of the volume. What? After she felt something, then The End?? I mean what the hell? Something is lacking between chapter 2 & 3.

The author did not show how the lead and the brother got together! This is the crux of the volume yet she obliterate that part completely. Hello?? You don't end the crux of the manga just by showing the lead having a weird feeling - -

On top of that, the author did not manage to show why the 4 guys are still so over protective of the lead. Although there were hints of it, but I feel that the author could have gone deeper.

This manga could have gone up to a third volume.. but oh well.. It was a good read (but it could be better), despite all I had said.
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Pretty Cool   
Rating: N/A
by iitzHans
July 26th, 2009, 2:52pm
Spoiler (highlight to view)
Very short but it didn't feel rushed or anything. I was very happy to see Mikoto's and Kei/Megumi's relationship blossom (especially in the last chapter~) I admit that I thought Megumi looked better as a guy, but before long she started looking good as a girl too.
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Just whatever   
Rating: 7.5 / 10.0
by gensou
July 4th, 2009, 11:13am
If you're expecting a harem of girl then don't read this manga, you will end up looking at guys instead. Oh the other hand, the manga have it own unique comedy and that rare now a day. Sadly the other weakness beside the harem of guys is that it is short and in a sense without much dramatic moment.
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Should've put the shounen-ai label.   
Rating: 1.0 / 10.0
by HopelessWriter
June 8th, 2009, 3:10pm
You could say that the main character was female from the start, but its still shounen-ai.

I was expecting yuri and got yaoi -_-

Anyway, if you're a guy like me and hate any form of shounen-ai or yaoi then skip this one.
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Good, but..   
Rating: 7.5 / 10.0
by Aenonar
April 28th, 2009, 6:10pm
It's pretty good, and for once a realistic way of gender bending. But it falls short because it's so short, and does some time skipping to make up for it... Could have been really good otherwise. But I'm a bit disturbed by those four guys... They don't really fit in there. They just mess it all up unnecessarily with being extremely pushy, it doesn't fit in with the otherwise fairly realistic setting. Not really enough manga time to make it. Might have done better with more volumes. Wonder why it was so short... There's just no way for this story to happen in only 2 volumes.
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