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Kouun Danshi  
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High school delinquent Mura must put up with the annoying presence of new stepbrother Subaru when his mother goes away on honeymoon. Dealing with gossip at school is bad enough, but Mura's life is turned upside down by a forbidden locker-room kiss and the publication of an incriminating photo snapped by BL fangirls.

Takaguchi Satosumi's first BL work.


Related Series

Associated Names
Fortunate Boy
Kouun Danshi (Lucky-kun)

Groups Scanlating

Latest Release(s)
c.Be Left Behind by Half-Baked Scanlations over 7 years ago
v.4 c.Extra by Half-Baked Scanlations over 8 years ago
v.4 c.13 by Half-Baked Scanlations over 8 years ago
Search for all releases of this series

Status in Country of Origin
3 Volumes (Complete)
2 Bunko Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.2 / 10.0 (184 votes)
Bayesian Average: 7.96 / 10.0
 30% (55 votes)
 23% (42 votes)
 16% (29 votes)
 17% (31 votes)
 5% (9 votes)
 4% (8 votes)
 2% (4 votes)
 1% (1 votes)
 1% (1 votes)
 2% (4 votes)

Last Updated
June 20th 2017, 9:54am PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Ciel (Kadokawa Shoten)
Mimi (Kodansha)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #626 increased(+188)
Monthly Pos #1238 increased(+600)
3 Month Pos #2509 increased(+1116)
6 Month Pos #4776 increased(+635)
Year Pos #5754 increased(+1498)

List Stats
On 203 reading lists
On 169 wish lists
On 421 completed lists
On 14 unfinished lists
On 190 custom lists

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User Comments [ Order by time added ]

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Rating: 9.0 / 10.0
by tartufo
November 7th, 2009, 8:20am
The ending lifted this manga from a workaday BL story to something really, really remarkable. I was conflicted about it 'cause on the one hand it's - not what I expected or hoped for - but as time wore on I realized it was better, more realistic and really memorable in the sense that it threw the WHOLE PREVIOUS STORY into a new light and I was forced to go back and see if - if Subaru really felt what the ending seems to imply he felt and... I can't say anymore without spoiling it and I can't even give away the sheer power of my emotional reaction or what kind of reaction it was precisely, since that'll be a spoiler in itself. Lol. Suffice it to say that a part of me was screaming: "WHY?" But at the same time, I had to admit it was an amazing idea to conclude it that way. This is just a great and very unique manga, made so because of the absolutely unconventional (as in, NEVER SEEN IT BEFORE) ending. It's not an ending that everyone will like though, even I can't say that I "like" it precisely, only that it was awesome from a storytelling-impact point of view and made a lasting impression.

You know how you sometimes read a manga and then when you see its name again, you can't even remember what it was about or only remember it vaguely, because even if you enjoyed it, it didn't leave that much of an impression on you? NOT SO WITH THIS MANGA. It will totally leave an impression and if you ever see the title "Lucky-kun" again or even hear the phrase as a nickname lol, you will remember this story and its ending in perfect detail. That's how powerful it is. I don't think it's rushed at all, even though I originally had a, "Huh? What just happened? No - wait!" reaction. The truth is that life really does work in unexpected ways like that, sometimes things happen suddenly that affect us for a long, long time. I think the shock-factor works better because of the suddenness, so I don't think it's rushed, although I'm sure there are those who will disagree with me.

Anyway I recommend this manga. Not something you get to read every day - or even every year lol.

... Last updated on November 7th, 2009, 8:27am
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Rating: N/A
by sweetnsour321
December 3rd, 2013, 6:30pm
I read this ages ago, but it's one of those rare memorable ones that just sticks with you no matter how long time passes by.
Spoiler (mouse over to view)
Takaguchi Satosumi does indeed create beautiful stories...and I believe Lucky-kun is one of them as well. I think one of the reasons why people were so confused with the time skip was because the readers didn't realize or expect his death to come so suddenly (even though there was a lot of subtle foreshadowing on his death and how he was going to die). But when you actually think about it, up until that moment it was all just glimpse of the past of their love life and dreams. It really is tragic in many ways, and it was hard to comprehend, not only due to Subaru's sudden death but because you knew they had so much more, they had a future ahead of them.
It's understandable to feel a bit upset or angry at Mura for marrying and trying to move on. But at the same time it's reasonable. In that last chapter, you know his life was changed completely by Subaru, he has nightmares, and suffers constantly. And it's really sad because you know he will never be the same again, or love anyone as he did with Subaru. I think that's why it's so powerful, because it is realistic in many ways. Death cannot be predicted, the ones left behind are never left unaffected. People cope differently and Mura for an instance could not cope or "forget" Subaru, hence seeks the warmth and comfort in someone else.

I wonder why this manga (ignoring the magazine title) is (actually) called Lucky-kun... because neither one of these boys are "lucky" in the end. I thought about it and maybe it was called lucky-kun because they were able to experience and know love. I guess it was better to have loved and lost than never to have loved at all.
or maybe because in the manga Lucky-kun (magazine) was the catalyst to start their relationship...

... Last updated on December 3rd, 2013, 7:27pm
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I Liked it...   
Rating: 9.0 / 10.0
by HeurekaH
December 1st, 2009, 4:25pm
... but why do I always miss that it's a tragedy. Really, It's a wonderful story, not to fast in the development and not to slow. To me, this is perfection, except for the ending. TRAGEDY! Must learn to really read the genres before reading the manga.
But seriously, unless you hate BL, there isn't much to dislike about this manga.
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not all bad   
Rating: 7.6 / 10.0
by MirayAllen
April 19th, 2015, 11:04am
Compelling characters and lovely art make Lucky-kun a pleasant, if sometimes restless voyage into the only-slightly-quiet life of stepbrothers Mura-chan and Subaru-kun. From estranged "brothers" to disquiet presences in each other's lives and then again to gentle, if passionate, lovers, they will reveal the best and the worst about themselves, in a way that is both calm and pervasive.

Yes, the ending is terrible, but not for the reasons named in previous comments (in my opinion of course). I don't usually read tags beforehand because I don't want to be spoiled. That being said, I can't say I wasn't expecting a sad ending. To be honest, the clues were there throughout the story. However, the grand finale that those clues were amounting to did not come to fruition. Spoilers ahead.

Remember when
Spoiler (mouse over to view)
Subaru mentions the short story book Mura took from his bookshelf? When, with melancholy eyes, he remembers the birds threw themselves into the sea and drowned?

And then, how it was a matter of discord between them who would leave who behind. They are young, they are fearful and anxious of the future, I get that. But on a more metaphorical level, I thought it one of those apparently "superficial" subjects that come to bite us in the arse once tragedy strikes or something. Subaru is a dramatic character, so I was sure the author would cook something out with it.

The way their romance was construed, it was meant for a great ending. I had perhaps too high expectations, so the actual ending just seemed bland and rushed and not worthy of the characters.

Ultimately I think I would like to reread this some day, but hopefully I'll remember to skip the last volume/chapter.

Character-wise + art: 8 out 10.
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the ending   
Rating: 1.0 / 10.0
by moonfaerie24
October 3rd, 2011, 10:21pm
The ending completely ruined this for me.
Spoiler (mouse over to view)
The last chapter skips ahead to Mura marrying some random chick for no reason because Subaru died in a freak traffic accident 7 years previously.

I mean seriously, what the heck. It was completely random and totally spoiled the whole thing, I wish I hadn't read this series in the first place.
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Rating: N/A
by freakazoid
April 23rd, 2011, 4:53pm
The art is really pretty it has a certain charm to it and doesn't detract from how good the character look smile
I read this up to half way through vol 3 and thought this was brilliant the story isn't rushed and the love developes naturally. In general its deffinatly different from anything else i've ever read out there.
But when i saw what happened in vol4 i thought wow what a tragic ending i couldn't bring myself to read it propperly because i thought it was too sad
Even so this is a really good manga the ending is so different so if your looking for a real life type thing this is for you - do not read this if your looking for a happy ending or a light read
Maybe one day i will be able to return to it and finish it propperly

... Last updated on April 23rd, 2011, 5:00pm
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Can't get the ending.   
Rating: N/A
by Hermaphrodite
June 14th, 2014, 2:23pm
In general this is a nice, well-made old school BL manga. I enjoy it very much, so much that it almost broke my heart when I reached the end of the series. No spoilers, just saying that I can't get it at all. With all the respect to the author, I simply can't get why she had to put that kind of ending into this manga! (It was so sudden I didn't even have time to adapt and to cry over that poor character). Seriously, why?

Just realize that most of BL manga at that time (early 90s) have BE or tragic end. Maybe it was trendy.

... Last updated on June 14th, 2014, 2:25pm
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why Lucky-kun??   
Rating: 7.5 / 10.0
by Kaori9
August 5th, 2010, 11:54am
If it wasn't for the tragedy. First 3 volumes were great, characters and art were wonderful. It was deep, even had an ending without the tragedy part. That was just so sad. (I wonder if it is a spoiler when there's a tragedy genre, I guess not).

I recommend not to read volume 4.
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It's alright   
Rating: N/A
by luck_life
August 20th, 2009, 11:10pm
The development is gradual, its a pretty sweet(makes you want to say awww at times) plot. The art is okay, a bit old fashioned as in retro. The character Mura gets me angry sometimes though. He still continues his relationship with his girlfriend after starting a new one with his stepbrother. Besides him all the characters are cute and rather enjoyable to read. There are pretty some good comedic scenes, but it only pops out now and then. Depending on your tastes this might be your manga! =D
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absolutely LOVED IT!   
Rating: 10.0 / 10.0
by kittylitterhal
February 6th, 2009, 8:17pm
Ah this was a beautiful manga. I love the art, it is gorgeous, and the characters are to die for! Very yummy albeit outdated! Their relationship works out very nicely in the sense that it does not develop too fast. They take their time figuring out things (even if that means lots of sexual frustration ;D) Very highly recommended. I think I will be rereading this one a lot!
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