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Onani Master Kurosawa  
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Onani means masturbation. And that's what this guy is good at. Every day after school, he sneaks into the mostly unused girls bathroom on the 3rd floor, and masturbates. Until one day, when he's caught by a bullied girl with a hidden agenda.
This is a story of mistakes, redemption, and the choices made in between. It contains the worst and best of the human condition.


Related Series

Associated Names
Мастер вздрочки Куросава
Masturbation Master Kurosawa
Onanie Master Kurosawa
Onanii Masutaa Kurosawa

Groups Scanlating

Latest Release(s)
v.3 c.21-22 by Hidoi~! Translators over 8 years ago
v.4 c.Extra by Emergency Exit over 8 years ago
v.4 c.30v2 (end) by Emergency Exit over 8 years ago
Search for all releases of this series

Status in Country of Origin
4 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews

4 topics, 21 posts
Click here to view the forum

User Rating
Average: 8.8 / 10.0 (2478 votes)
Bayesian Average: 8.77 / 10.0
 39% (963 votes)
 28% (690 votes)
 17% (413 votes)
 9% (232 votes)
 3% (82 votes)
 1% (32 votes)
 1% (14 votes)
 0% (8 votes)
 0% (11 votes)
 1% (33 votes)

Last Updated
October 20th 2017, 9:24am PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Niconico Seiga (Niwango)
Shuukan Young VIP (Neet-sha)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #350 increased(+4)
Monthly Pos #376 increased(+11)
3 Month Pos #362 decreased(-33)
6 Month Pos #336 decreased(-6)
Year Pos #303 decreased(-37)

List Stats
On 1324 reading lists
On 1165 wish lists
On 5754 completed lists
On 131 unfinished lists
On 465 custom lists

Note: You must be logged in to update information on this page.

Forum Posts
4 Koma over 5 years ago
References over 5 years ago
In what way is this like Death note? over 5 years ago
Doesn't Kurosawa in this panel look a bit like Neuro Nougami? over 7 years ago

Click to view the forum

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User Comments [ Order by usefulness ]

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Takes a while but..   
Rating: N/A
by Ryusaga
July 27th, 2009, 6:54pm
first thing i've got to say
It got better after chapter 27-ish...

before that... it was a bit disturbing, and i would be lying if i said i hadn't kept wondering WHY the hell i was reading this...
but around after the main character realizes his mistakes, the story becomes more pleasant.
The story around now is not bad, i actually look forward to the next chapter.

... Last updated on July 27th, 2009, 9:51pm
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Great read   
Rating: N/A
by Rendien
July 27th, 2009, 6:22pm
A great manga detailing adolescent life. As many have stated, it is a manga focusing on human relationships, with an in-depth look at the character as he struggles to grow up. Catcher in the Rye plays an influential (not so subtle) influence on the manga, albeit a bit more upbeat. I enjoyed the pacing and would definitely recommend this manga to anyone who is interested in social and psychological reads.

... Last updated on July 27th, 2009, 6:24pm
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Why isn't this headline optional?   
Rating: 9.0 / 10.0
by Mamsmilk
July 26th, 2009, 11:01am
Spoiler (highlight to view)
A rather good one if you ask me,
you need to be ripe enough to actually
see what good is in it. A story of growth
which is not like those typical ones where an
ordinary school romance is portrayed and after that
there's a time skip of 5 years and a lookout
of the happy future and everybody drowns in nostalgia.
This is a good story of struggle and enlightenment.
I am pleased and it has been hard to please me for
a while.

Mind > Love.

... Last updated on July 26th, 2009, 11:02am
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ignore the premise   
Rating: 8.5 / 10.0
by Prot
July 22nd, 2009, 11:56pm
This is one eff-ed up manga, and it's not because of the masturbation. The protagonist's thoughts and emotions are so gritty and raw that they, not the masturbation, are what make me uncomfortable reading this manga. It's a bit depressing to read, but that just makes the story that much more engaging.
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it's fine.   
Rating: N/A
by willnira
July 15th, 2009, 11:56am
this manga is really good embarrassed

it shows a real life. (they're way too young for smokin' but yeah the bullyin' at that age is horrible).

The guy is like all the kids at their age, they shake their thing almost everyday and I'm sure they have always wanted to shake it in a girl's bathroom.LOL, the manga's pretty funny xD
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Like a regular kid   
Rating: N/A
by Hell_Clues
July 13th, 2009, 4:58pm
He's not a pervert. he's also not a genius or has style or anything. But it is very realistic at the start, while becoming a bit dramatic, it's still pretty grounded.

Don't confuse dramatic with melodramatic though. Well not anymore than people dramatize events in their minds while acting like everything is going just fine. There are plenty of kids like him( I used to be one).
Though he's developed a weird habit. No, not the masturbating everyday. Hmmm even the location isn't that weird, though he's definitely ritualized it. His sex fantasies are like something out of a hentai book, rather malevolent. The drawings don't show most of it, just enough to give you the idea of what he imagines.

I recommend this story, even if nothing I wrote was really good enough to do it justice. You'll still a grounded story where the character recognizes his own hypocrisy at times, yet you can read all his thoughts as he tries to justify his behavior and his position ect.

... Last updated on September 9th, 2009, 9:57am
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Rating: 8.0 / 10.0
by takitogr
June 12th, 2009, 6:03am
this is probably my most favourite ongoing reading about 70 ongoing titles right now and i cant wait for the rest of the chapters from this title

the theme is very appealing to me and that theme is one of an outcast trying to go through his school days...i can associate with stories having to do with outcasts of any sort because i felt that i am or i have been an outcast in many situations and circumstances...not just a social outcast but also a sexual one..the main character in this story is both...if u ever felt like an outcast u should certainly read this but it will appeal to many ppl i think even though it is weird and the main chara is a bit peculiar and bizarre at times...proof of that is that currently 870 ppl are reading it here and only 18!! have stopped reading it!...i always keep an eye on these two numbers and its the first time ive seen only 18 ppl quit a seires with such a big amount of readers ..BUT it must be noted that it's certainly for an adult audience

i love the art...i think it is unique and a welcome change to solid lines, perfectly catered for designs and rigid,sterile cg backgrounds..not that i necessarily dislike these but it certainly has a more artistic and atmospheric feel which adds depth to the's like the mangaka never inked the pencils to tell you the truth but it makes the manga look more powerful and more dramatic

16 chapters have been released till now and the story is very interesting with some excellent character development....the main character evolves...he doesn't stay stagnant and u can see some ray of light and some hope for him in the form of a classmate but will he get out of his troubles and his way depressing and weird lifestyle? there appear to be some obstacles and another person is dragging him back to his emo ways...i just wonder what will happen because someone from here mentioned that it has an excellent ending....the other characters also have interesting developments and not everything is what seem to be....i love the inner thoughts of the main character...when he analyzes something he cracks it up perfectly well and this reminds me of kira from death note

i could say this is a must doesnt have any cliches and it progresses nicely and in a very interesting and involving way

PS: finished it and enjoyed it a lot...

... Last updated on November 30th, 2011, 1:40pm
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More to it than just lawlz.   
Rating: 8.8 / 10.0
by Criminal Intent
May 26th, 2009, 10:22am
At first glance some may laugh, some may be turned off, and some may get turned on 0.o; but this manga actually tells a deeper story than just some kid who chronically masturbates.

Much like FLCL and Negative Happy Chain Saw Edge, this doujin takes a completely ridiculous premise and uses it to tell a unique coming-of-age story. Yes, under all the Death Note references and snarky little quips by the main character, there exists an actual story.

But it only starts to happen towards the end of volume 2 and is mostly focused on the main couple Kurosawa and Kitahara.

Overall I give it a solid:
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Rating: N/A
by _Alexiel_
April 20th, 2009, 1:18pm
The story was wonderful until the end of vol 02, but when i got my hands in the vol 03, it took me a lot of courage to read the vol 04 and finish this one.

I cant believe what a saw in the vol 03... The worst couple of the mangas that i've read so far, just to make the guy more twisted.
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A Must Read!   
Rating: 10.0 / 10.0
by france
March 28th, 2009, 8:40am
The description alone doesn't do it enough justice for an epic series like this. It starts out awkward and very interesting but later it grabs your interest and its quite dramatic. Like people before said, its like Death Note (with all the thinking) but with a little zing. The author does include some subtle and not so subtle parodies like Geass and Death Note but only a minor fraction. Developing plot, art style is tolerant to mildly awesome, uniqueness is off the charts and i like the comedy (though it really isnt a comedy...), protagonist is too cool. Not an H btw
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