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Bloody Monday  
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A virus deal clinched in Russia on the Christmas eve. Purpose: unknown. Two clues: a mysterious lady "Maya," who is one of the gangsters, and "Bloody Monday," the keyword for the project.

Then an incident happened in far-distant city of Tokyo. Fujimaru Takagi, a second year student at Mishiro Gakuin high school, is commissioned to find out the truth by the Public Security Intelligence Agency, for his great ability as a super hacker. Now, Maya approaches Fujimaru as his high school teacher...


Related Series

Associated Names
Кровавый понедельник
Bloody Monday รหัสมรณะ (Thai)
Bloody Monday Ver. 0
Bloody Monday Ver.0

Groups Scanlating
All of Them

Latest Release(s)
v.11 c.96 (end) by J.A.C. Group (2012d ago)
v.11 c.95 by J.A.C. Group (2013d ago)
v.11 c.94 by J.A.C. Group (2014d ago)
Search for all releases of this series

Status in Country of Origin
11 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews
Bloody Monday by ChapterZero


User Rating
Average: 8 / 10.0 (740 votes)
Bayesian Average: 7.95 / 10.0
 19% (144 votes)
 18% (135 votes)
 30% (224 votes)
 17% (124 votes)
 6% (46 votes)
 4% (28 votes)
 2% (13 votes)
 2% (13 votes)
 1% (4 votes)
 1% (9 votes)

Last Updated
March 12th 2015, 11:28pm PST

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Category Recommendations





Original Publisher

Serialized In (magazine)

Licensed (in English)

English Publisher
Kodansha USA (11 Volumes - Complete)

Activity Stats (vs. other series)
Weekly Pos #898 increased(+128)
Monthly Pos #1451 increased(+159)
3 Month Pos #1663 increased(+24)
6 Month Pos #1736 increased(+109)

List Stats
On 1322 reading lists
On 986 wish lists
On 1997 completed lists
On 134 unfinished lists
On 282 custom lists

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Forum Posts
Bloody Monday + 50 ch. gets boring? 1273 days, 3 hours, 19 minutes ago
Otoya [spoilers] 2011 days, 11 hours, 6 minutes ago
Chapter 37 discussion 2071 days, 4 hours, 31 minutes ago

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User Comments [ Order by time added ]

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Very Repetitive and Predictable Plot   
Rating: N/A
by miller6267
April 4th, 2012, 1:25am
While the artwork of the series is great, it is ultimately hampered in later chapters by several things:

- Repetitive and predictable plot

I started out with high hopes for the manga: the series started out great with Death Note's likeness (the concept of the major protagonist and antagonist countering each others' moves through out the manga). However, it started growing more and more predictable - almost every new female character that was introduced wound up to be either a spy or an informant. The main protagonist is continually given the SAME near impossible tasks ("Hack the government system within five minutes") over and over again which takes away any sort of excitement towards the possibility that he might fail in his task somehow.

- Extremely bland characters

The main protagonist is probably the most fleshed out character in the entire series, which isn't really much. None of the characters are really developed. The most the author gives is the character and his or her favorite hobby that happens to help the main protagonist or antagonist. The fact that there were TOO many characters may have contributed to this. The quality may have been improved if several of the character's abilities or traits were combined into one.

- Too Many Unexpected Plot Twists with No Foreshadowing

Many of the "twists" in the manga are never really developed. You'll have a character who appears to be an ally through out several of the chapters and then suddenly turn into a bad guy. While the manga does make explanations as to why the character is actually the enemy (sometimes you can guess that the new guy is probably a spy already due to the repetitiveness of the manga), nothing in the manga really foreshadows how he or she would have done what is explained.

-Too much Deus Ex Machina

Thinking on the spot is nice, however a lot of times, the main protagonist tends one user already puts it "pulls stuff out of his ass." There are a lot of times in which Fujimaru comes up with a solution that is never even hinted at all.

-Incompetent Agency

You'd think that such a top secret agency that is entrusted with safeguarding a country would at least hire some competent staff. Wrong. Many of the adult characters who work for Japan's equivalent of the CIA (in the manga) are literally being led by a kid chapter after chapter. Fujimaru ends up being an expert on not only computers, but also epidemiology and a variety of other subjects that seems to leave the adults dumbfounded. If a virus was spreading throughout a country, wouldn't it make sense for the Agency to bring in an epidemiologist? Instead, they bring one in at almost the end of manga (and it wasn't even to contain the virus).

-Flawed explanations

While I can suspend my disbelief sometimes, the author sometimes just get things wrong when it comes to explaining virology or computer science. One of them is that a vaccine can do nothing after the symptoms of the virus starts showing and that an "antiviral" is the only way to stop it on time. Vaccines CAN have an effect after symptoms show. The manifestation of symptoms is just a way of showing that a body is dealing with the virus. However, this can be overlooked by saying that the virus kills too quickly after the symptoms show for the vaccine to take effect. An antiviral merely inhibits a virus's ability to infect the body. It does not "kill it" and it would be likely that anyone who has been infected would be on antivirals for several days until their body can get rid of the virus. The correct term would be a "viricide." However, this could just be a mistake on the translator's part.

... Last updated on April 4th, 2012, 1:28am
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Not realistic (Again)   
Rating: N/A
by KYPMbangi
March 24th, 2008, 9:51pm
The art is on par with other shounen series, but with downplayed plot of hackers and virus. Full of stereotype characters, as always in shounen manga. Still, the story is original on it's own.
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It's alright   
Rating: 8.0 / 10.0
by enaikelt
October 2nd, 2011, 9:31pm
It keeps me going. Or to put it another way, I've seen some truly atrocious hacker-hero manga, and this isn't really one of them. It's tight, fast-paced, and the art is fantastic. The fact that it reads like a novel is a plus in my book. Yeah - it's unbelievable. The time limits are especially unbelievable. There is genius, and there is genius, and there is "Riiiiight. Sure. Really." I can try to swallow the explanations, but the programmer in me would deeply appreciate at least a little deference to the laws of reality. Does the guy never make typos in his passwords?

Also, I agree with the guy who called it "The most inept secret agency in the world". Because, they are.

As far as character depth goes, it's non-existent. The protagonist is a character who exists to be a protagonist (and to be awesome, of course). It's probably because we've never really seen him in a situation other than "currently saving the world!" But, well, the plot drives this manga, and I liked the plot, so I won't complain too awfully.

The only character that drives me up the wall is his sister. Auuugh! Can you seriously be any more kidnappable? And why, why, for the love of heaven, would you go into a dangerous place if all you can say once you're in there is "Daddy, Onii-chan, save me!!"? Why?!?


... Last updated on October 22nd, 2013, 9:26pm
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Such a waste   
Rating: N/A
by KahlanAmnell
January 2nd, 2011, 8:52pm
Volume 4 killed me.
One of the worsts vol. I've ever read.
The main character jump from a genius to a pussy in a second and it becomes more than ridiculous...
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Good read   
Rating: 9.0 / 10.0
by Aetheus
January 19th, 2011, 12:07am
If you're in this for the characters, turn away now. Bloody Monday has absolutely flat characters. Its truly a case of the characters existing to serve the plot and not the other way around. However, the plot itself justifies the lack of indepth characterization - it isn't necessary. There are no filler or breather chapters. There is no "beach episode" or "field trip day". From start to finish, Bloody Monday plays out like a Dan Brown novel - plot twists, betrayals and surprises at every turn. Every time "Falcon" and his friends thwart one of the enemy's plans, they immediately get caught up in another one. The entire manga is a thriller roller coaster that never lets up. I haven't seen the live action adaption myself, but I highly suspect that its gonna draw more than a few comparisons to 24.
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Worth read.   
Rating: 9.0 / 10.0
by jackblack901
November 22nd, 2009, 3:13pm
I did not tend to give a comment here but since there are so many negative comment, and I feel like that manga deserves better than taht.

Having the same type as DN, It's true that this manga is far from reaching the level of Death note but the plot is still good enough to make it unpredictable. Personally, I prefer this manga because it has less psychological and more reality.

The art, of course, is really good.

It started with a very nice character settings but it's become the biggest fail in this manga. The character development is really poor, the non-stop action took too much space in the manga make it become very dense read. And in the end there is no character make you interested in. Hope they can fix that problem in season 2.

Even though It's under the level of an epic manga like DN but still stand on top, this kind of manga is not something like a romance shoujo that you can find a plenty of similar ones (DN, Liar and what else?), so it's a worth read.

... Last updated on November 22nd, 2009, 3:14pm
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maybe it's just me but...   
Rating: N/A
by Necro-
July 11th, 2013, 5:46am
maybe it's just be but while i liked the story a few things really stood out as negatives, first the main characters cursory glance at a suspects (always female) alibi/history
Spoiler (mouse over to view)
particularly maya and anko
it's as if when the suspect was female he didn't even try to find out if they were the traitor that just stood out as a big annoyance for me, as well as the stupid declarations such as "i will get you the antidote that may or may not exist or i will defuse a nucleur bomb - i know it's common in shounen manga but somehow it felt far more out of place when the threat is something like a nuke as opposed to just physically saving your friends. Also his sister got kidnapped a stupid amount of times (i think i counted atleast 5)

overall a good read though.
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Finally done   
Rating: N/A
by fbunawan
September 8th, 2011, 5:49am
Okay. Overall, I like this manga with all the secret identities, hidden complicated plots and okay action. Art is definitely awesome. I can't count how many times I swoon over Otoya.

But. The way the author reveal the secret of the protagonist is way too inelegant. I swear, that's one of the major disappointment I had and an early one as well.
The start was really exciting and made my blood boil over excitement. But as many people have said, the protagonist became those "damn, I'm helpless but I want to save everyone" kind of character. The sister of the protagonist was also too exasperating. I know they need this character who needs saving all the time, but seriously, how many times can you get captured and used by the enemy, for the love of God. Argh.

Curiosity on the identity of the enemy's leader and their final objective were the only things which kept me going to the end of this series. Somehow, I don't feel too good with the end either, feels like every chapter is rushed and was just there to keep the story heading towards the end.

As for the romance aspect, I actually like how unique it was.
Spoiler (mouse over to view)
The childhood friend actually likes the protagonist's father rather than the protagonist himself? Epic.

I have to say the past of the cult should be dealt more deeply. Like the reason they want to do this revolution and everything. Is it me, or is the author made it too shallow by just portraying the group as terrorists who just want to destroy? Okay, he made some point with the government not being as clean or helpful, but that's just like one time. They're just there to be the enemy that needs to be defeated. So meh. Perhaps he's going to reveal it in the later seasons, I don't know. I hope he will. I really like how he opened the past of one of the antagonists. So maybe it's just saved for later on. Guess I will continue with the series then *shrug*
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Dun like....-_-   
Rating: N/A
by badkittygrl4567
September 5th, 2011, 2:37am
It had some really serious potential, but it ended up being one of those manga like "You were the one who dumped, but didn't flush." "I took a dump on top of your dump and still didn't flush." "No, my dump was flushed because I wiped and the dump in the crapper right now has no tp." "Then there's only one way to find out...."

It was like that the whole time and very repetative.(is that how you spell it? I'm too lazy to look it up.) This kid kept literally pulling shit from his ass on the spot. The art was good, but it lacked flow. The characters were all similar as well. I couldn't tell the fucking difference between them because of their looks and personalities were all the fucking same. I started to get pissed off because I didn't who was who and they wouldn't say their god damn names. And when you put them together. Fuck that.
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Rating: 6.7 / 10.0
by qu1eet
April 16th, 2011, 3:11am
I would recommend this manga only to pass time and if you are too lazy to use the advanced search option and find something better to read.
The idea is very cool,
Spoiler (highlight to view)
a virus developed from combining Ebola and smallpox in the cold war days and now a crazy maniac occult group of terrorist want to spread it over Japan and to save the world comes a hacker kid(dumb ass idea) but with the help of a special agency that works for the safety of the people, a somewhat secret agency...

The idea is super awesome, but the way it was executed in this manga is well ,very unsatisfying, basically the full potential of the idea wasn't used or executed.
The situation in Japan in the manga is very absurd, the bad guys are portrayed as if they are super soldiers that could blow the world up if they wanted, which i think is too much, and yet they are beaten by a dumb/genius kid that can use the computer. Also the special agency that is under direct orders from the ministry of justice is just simply pathetic and so majestically stupid, the whole agency is just a big jest.The bad guys os easily beat them, the supposedly alpha good guys and yet those awesome bad guys are struck down by a kid...*sigh*

I also hate the fact how every second and third chapter somebody dies and no one really gives a dime.. and more importantly the deaths contribution to the plot is almost non existent.
It's as if you get the feeling that the author simply wanted to kill off some people and show everyone that no one cares.

It's simply a pile of good ideas/plot executed in a very bad way, with good art and much effort , and yet it still stays a manga that can just help pass the time and nothing more.(Please don't compare Death Note to this work because the gap between them is too immense)
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