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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 (2294d ago)
v.4 c.Extra by Emergency Exit (2314d ago)
v.4 c.30v2 (end) by Emergency Exit (2315d 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
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User Rating
Average: 8.8 / 10.0 (2231 votes)
Bayesian Average: 8.77 / 10.0
 40% (901 votes)
 28% (625 votes)
 16% (368 votes)
 8% (189 votes)
 3% (66 votes)
 1% (26 votes)
 0% (11 votes)
 0% (8 votes)
 0% (10 votes)
 1% (27 votes)

Last Updated
October 15th 2015, 12:20am 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 #447 decreased(-4)
Monthly Pos #411 increased(+16)
3 Month Pos #429 decreased(-30)
6 Month Pos #395 decreased(-29)

List Stats
On 1207 reading lists
On 1057 wish lists
On 5151 completed lists
On 113 unfinished lists
On 434 custom lists

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Forum Posts
4 Koma 1087 days, 2 hours, 35 minutes ago
References 1095 days, 10 hours, 40 minutes ago
In what way is this like Death note? 1096 days, 11 hours, 57 minutes ago
Doesn't Kurosawa in this panel look a bit like Neuro Nougami? 1766 days, 21 hours, 3 minutes ago

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User Comments [ Order by usefulness ]

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Not for me   
Rating: 2.0 / 10.0
by Verix
February 25th, 2012, 9:52am
I can't describe it very good, but I think there's something very wrong this manga. Something is just very off. Sure it was unique, but it didn't quite deliver a definite moral or lesson like you'd expect with a subject like this. It tries to be realistic, but in my opinion it just blatantly fails at being so. Maybe I'm just too used to sugarcoated manga, but this wasn't my thing at all.

... Last updated on February 25th, 2012, 12:15pm
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It was... orgasmic   
Rating: 9.8 / 10.0
by kihadaka
December 5th, 2011, 12:24am
I wasn't expecting much from this manga. A lot of manga are drawn out too long just because they are popular, and a lot of really good manga are canceled too soon before they hit their stride. Fortunately, Onani Master was neither; it was just the right length: It tells a story from beginning to end and then stops. And it's a great story that everyone can relate to. After all, everyone has experienced jealousy, bullying (a little or a lot), and the conflict between wanting to isolate and wanting to relate to others. Oh yeah... and everyone masturbates.
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Great manga   
Rating: 8.5 / 10.0
by bull3thole
December 1st, 2011, 12:58am
The plot is so different from any other manga so it is a big plus. There are no ecchi scenes or anything like this in the manga so no worries. The character development for the main character is really great. You get to see how he changes in the manga. I thought the manga was not as realistic as people as it is so I did not give it a 9. Overall it is a great manga and read it.
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Forever in my top 5   
Rating: 10.0 / 10.0
by zimzimbadabim
November 29th, 2011, 12:38am
This is one of the greatest mangas ever written. It is for mature readers and has lots of complex and mature themes, so if you are looking for anything like One Piece, Full Metal Alchemist, or even Ai Yori Aoshi, you are not going to get it. This pretty much defines a psychological manga. The category tags say it all. This manga literally changed my life.
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Don't be embarassed by masturbation and echi   
Rating: N/A
by netwizard
October 28th, 2011, 1:46pm
These are only facade to manga's events.
Why read?
1. Incredible humour in the beginning - author parodies such mangas like Death Note, Code Geass
Pfff... Fap Note))) You MUST read the first volume at least
2. Jealousy, revenge, guilt, depression. Repentance, finding one's own way - man, I was MOVED!
I fell in love with girl protag liked - thanks to art - , i felt all the jealousy and guilt protag felt
But the most greatest part is when he repents for all his sins (yeah, I was rooting for him with all my heart), his way acting adultly when everyone started bullying him, support of that afrohair boy - I almost cried when I saw how kind and forgiving people can be..
Man, it was the most wonderful character growth I've ever seen..
I want read more, more something like that!!
What about this manga weaknesses:
mmmm... there are no such stuff here I guess.
A decent mixture of comedy and drama, liked it very much.
10 of 10
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best part - is the middle   
Rating: 7.5 / 10.0
by tekiteki
September 13th, 2011, 5:43pm
This manga is about relationships between classmates - and that is what passed me by when I was schooler myself. I was never really involved in such relationships, I never attended those class reunions after graduating school. That's why I wasn't imbued with vol.4. But 1-3 volumes were interesting.. 3 volume touched me deeply.
Also, I 'm fond of Nagaoka x Katagawa pair - they are cute ^_^v. I would prefer to know more about them.
Persons like Kitahara are rather dangerous.. they are like drowning men - when you try to save them, they hold onto you, climb on you to save themselves, thus drowning you too. If you don't help them, they despise and criticize you.
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Rating: 7.3 / 10.0
by Saons
September 1st, 2011, 6:18pm
After so many people recommending me to read this manga, I've finally taken the time to read it.
To be honest, I was a bit disappointed based on all that I had heard about it. I had higher expectations, that's all.
It's a great "slice-of-life", that's for sure. But before the major tone change in the manga, I felt so uncomfortable more than just because it's about masturbation. I just didn't... relate to the characters in the slightest. Perhaps it's because I'm female, or because I didn't really go through what the characters did, that I can't base how I feel about it.
Still, it's a great character study about growing up, realizing your mistakes, and leaving the past behind you. If you're not put off by the theme of the manga, give it a try.
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It Was Surprisingly Good   
Rating: N/A
by riou17
August 26th, 2011, 1:29pm
At first, I thought it was one of those mature ecchi manga where there's no plot, where the main character just masturbates until the end, but who would have thought otherwise. The first half was indeed dark (which I found pretty interesting) then the second half was...heart-wrenching. I swear I cried at some parts because it's close to real life situations. Also, the characters are well-developed especially the main character. You can really see him grow as a person.

All in all, this manga is highly recommended. It's all about redemption, maturity, finding the courage to face reality head-on, and much more. This is definitely a slice of life manga. Also, don't be fooled by the title and the first few chapters ^^
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Rating: 7.0 / 10.0
by slykid
August 16th, 2011, 6:49am
Ok at first when I saw this because of the rating/reviews I thought I would scan through it and see what all the fuss was about and tbh I didn't hate it but I just didn't think it was my type of manga so I dropped it , but then I came across this again and decided to read this properly and yeah it was ok but still I couldn't get into it even after 9 chapters but I still continued and the outcome was really nice it was more of a lesson teaching story , a message that was trying to get across. I think this should be a book more than a manga it had that book feeling to it. Its not the best but yeah a nice simple story but not a story for everyone and not worth a rating of 10 its the kind of story /ending on what you'd see in a book is all + the guy became normal looking at the end hehe ! P.s a liiittle bit of exaggeration going on .

... Last updated on August 16th, 2011, 7:04am
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Masterful Manipulation   
Rating: 9.5 / 10.0
by Anomaly
June 26th, 2011, 10:12pm
I can't fully express what I think of this manga but here are just a few thoughts; that is the amazing control and ability the author was able to put into the characters. Not only did the characters seem genuine, it was very convincing to take into the roles of those who were outcasted, and those who weren't. "Onani" showed many sides of human emotion, and for that I give this manga a lot of credit when it comes to being a very enjoyable read. Take into consideration very genuine human emotions, mixed in with teenage anxiety and what you get is Onani.
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