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When he was younger, Kujou Kiyosumi was incredibly awkward and nerdy. One day in elementary school, he courageously confessed his love to a girl, but she told him in front of the whole classroom that he was "disgusting" to be around.

Shocked, Kiyosumi asked the coolest guy in the class, Sagiya Maki, to help him become more likable, too. Thus began the days of training and now in high school, he had finally achieved most popular status alongside Maki. Everything seemed to be going along smoothly until...


Related Series

Associated Names
サイボーイ -改造少年-
Cyborg Boy
CyBoy ป่วนหัวใจนายไซบอร์ก
Kaizo Shonen Cyboy
Kaizou Shounen Cyboy
Rebuilt Boy Cyboy
Sai Boy

Groups Scanlating

Latest Release(s)
v.2 c.11 (end) by Taciturnity Scans (1154d ago)
v.2 c.10 by Taciturnity Scans (1242d ago)
v.2 c.9 by Taciturnity Scans (1405d 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: 7.7 / 10.0 (339 votes)
Bayesian Average: 7.63 / 10.0
 17% (57 votes)
 21% (70 votes)
 23% (78 votes)
 20% (69 votes)
 9% (32 votes)
 2% (6 votes)
 2% (6 votes)
 1% (5 votes)
 2% (7 votes)
 3% (9 votes)

Last Updated
March 8th 2014, 3:02pm PST

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Category Recommendations





Original Publisher

Serialized In (magazine)
Hana to Yume (Hakusensha)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #884 increased(+165)
Monthly Pos #1521 increased(+573)
3 Month Pos #2631 increased(+196)
6 Month Pos #2923 decreased(-3)

List Stats
On 727 reading lists
On 509 wish lists
On 1118 completed lists
On 69 unfinished lists
On 227 custom lists

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Forum Posts
anime for Cyboy would be.... 1418 days, 23 hours, 39 minutes ago

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User Comments [ Order by usefulness ]

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The end   
Rating: N/A
by MaikelHx
March 25th, 2014, 2:08am
I think the end was quite forced. It's like the author was forced to put the manga to an end.
The story itself wasn't al that bad, I only thought it should've gone on for at least another 10 chapters.
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Don't really like the final   
Rating: 6.0 / 10.0
by Jasminthe
February 18th, 2014, 6:50pm
It annoys me that there isn't a proper end. The story ends abruptly, like there's gonna be another chapter after it, but no. We are left without any kind of conclusion.
The story was cute nonetheless. It's true that it was a bit cliché, but well it's still a cute read.
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Rating: 4.0 / 10.0
by Meilee123
July 27th, 2013, 3:41pm
This really went downhill. I am amaaazed at how this managed to drag out into two volumes. At the end of chapter 2 I was like is it done yeet? It would have been better as a oneshot because basically everything was unoriginal. Everything. I skipped some chapters before I just went to the ending and oh the finale is everything you expected it to be.
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Rating: 8.0 / 10.0
by YukikoKudo
January 28th, 2013, 2:15pm
A cute, albeit cliche story that was carried out quite well.
Yes, the story is predictable with all the stock characters, but I enjoyed it. The art was pretty and the characters were all likeable. If the manga had been any longer, I don't think I could have read on because there was no real plot or character growth to keep the story moving, but because it was only two volumes, it was fine.
For me, the main criteria come down to the likeability of the characters, and I liked Kujou, Maki and Aran.
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Liked it   
Rating: 8.5 / 10.0
by Silent Moon
October 7th, 2012, 12:36pm
I think it's a pretty good story..well I was mainly attracted to the art. Maki is soo hot! I wish there was a sequel....I still don't get Maki's mysterious. Either way, I think the mangas done by this author are all weird.
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Refreshing and sweet   
Rating: 9.0 / 10.0
by nin-nin
June 1st, 2012, 11:19pm
I enjoyed this manga very much, and highly recommend it for a quick, light read. Sure, it's full of shoujo, school romance cliches, but it somehow manages to turn those cliches into a story about self-discovery and staying true to yourself. The male perspective also mixes it up a bit, the art is very nice (yay bishies!), and the comedy is amusing. I disagree with the comments that the characters are unappealing; I think they have an understated authenticity which is especially endearing.
Overall the manga is like a sweet snapshot of the high school experience of a boy who is learning about love, friendship, and most of all, about himself, but written in a very light-hearted and amusing way. Again, I highly recommend it.
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Rating: 8.0 / 10.0
by born2shop
April 16th, 2012, 7:23pm
I agree with everyone. This was super cute. I thought that Kiyo-chan's personality was just so adorable. But truthfully I like both Kiyo-chan and Maki-kun. They were the cutest of friends. Though I did find myself more drawn to Kiyo-chan because underneath his sexiness he was still a big nerd. But I liked Maki-kun a lot too so I'm kind of torn :-(
I also agree that the ending was fitting. It was just like Kiyo-chan and that's why it worked so well. I don't agree about Kiyo-chan and Maki-kun getting together though. Although it was evident that Maki-kun did like Kiyo-chan. I don't think it was that kind of like. I think it was more of a deep fondness and appreciation for each other. Soo Cute!!
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Rating: 4.0 / 10.0
by bizarrekin
April 7th, 2012, 2:45pm
The ending was ok. It'd be rushed if it ended in another way -as a shojo manga that is-
I think It'd be really good as a shounen-ai, cause they have a perfect relationship with Maki,and it's obvious that he likes him, not just because I'm a yaoi fangirl... Such a waste.
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super cute   
Rating: N/A
by gwkimmy
March 22nd, 2012, 7:14pm
its a super cute story. the bishounen are hot. got a little repetitive and formulaic at times, but whatever. the friendship (BROMANCE?!) between kiyosumi and maki was unlike anything i've ever seen in another manga. that was the real gem. read it for that if for nothing else.

*cough* i would love if the mangaka could make a doujin/omake of kiyosumi and maki getting together under different circumstances. only because all while reading this a secret part of me wanted them together. lol.
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What ashame...   
Rating: 2.0 / 10.0
by nixx
November 7th, 2011, 7:04am
ok, so I read the synopsis and thought that this could be a great manga. Reading it put an end to that fact.

I found that the main male character had a soppy, nervous and awkward disposition which made me feel uncomfortable. Not that I like these types of male leads anyway. But his transitions between cool and not-so-cool were not too convincing and made the flow of the manga feel a bit disjointed. He falls in love with a girl who also has no personality which makes me like him even less. She has a phobia of men. With this and the fact that he has an anti-social disorder, elimates any chance of chemistry between them. Not that there would be anyanyway because the dialogue seems too simple, childish and unreal.

The storyline is groundhog day - very repetative. A few too many bishies trying to wreek havoc or sobotage his reputation in some way for my liking. I read up to chapter 6 and thought i'd give this manga a chance or another chapter to redeem itself, but low and behold, yet another couple of bishies are introduced. arggh! NO MORE! (I stopped at page 13)

It could have been great. The idea is good. A male lead which transforms himself into a bishie to become popular. However, theres no story, no character development. Its ashame really...
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