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Becoming Professor Moriarty’s Probability
Type
Web Novel (KR)
Genre
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Rating(4.2 / 5.0, 256 votes)
5    68% (174 votes)
4    8% (21 votes)
3    9% (24 votes)
2    5% (13 votes)
1    9% (24 votes)
Language
Support Book (#ad)
Author(s)
One entry per line
Artist(s)
One entry per line
N/A
Year
Example: 2012
2022
Status in COO
Status in Country of Origin. One entry per line
262 Chapters (Completed)
10 Side Story Chapters (Ongoing)
Licensed
No
Completely Translated
Original Publisher
One entry per line
English Publisher
One entry per line
Release Frequency
Every 2.1 Day(s)
Activity Stats
[Graph]
Weekly Rank: #3695
Monthly Rank: #4523
All Time Rank: #1525
Reading List
[Graph]
On 3280 Reading Lists
Monthly Rank: #3168
All Time Rank: #2913

Description

Links are NOT allowed. Format your description nicely so people can easily read them. Please use proper spacing and paragraphs.

I fervently critiqued the development of a Sherlock Holmes-based mystery gal game.

Villain Maker: Fulfilling the probability of Professor Moriarty’s appearance.

Love-Hate Relationship: Becoming ‘that man’ for Holmes.

Lady of London: Completing one sham marriage with Watson.

Freeze: Receiving a confession from Inspector Lestrade.

Phantom Thief’s Treasure: Getting kidnapped by the Phantom Thief Lupin.

In doing so, become this twisted world’s very probability.

Best wishes, Mr. Isaac Adler.

I’m screwed.

Associated Names
One entry per line
모리어티 교수의 개연성이 되었다
Related Series
N/A
Recommendations
The Main Heroines are Trying to Kill Me (3)
My Daughters Are Regressors (2)
Pseudo Resident’s Illegal Stay in Another World (2)
Childhood Friend of the Zenith (2)
Abandoned by my Childhood Friend, I Became a War Hero (1)
Villain: After Intercepting the Female Lead, the Protagonist Collapses (1)
Recommendation Lists
  1. My Yandere Collection
  2. the past will continue to haunt me
  3. Peak novel
  4. My list OwO
  5. Peak Yandere

Latest Release

Date Group Release
08/02/25 Genesis Studio c167
07/02/25 Genesis Studio c271
07/02/25 Genesis Studio c270
07/02/25 Genesis Studio c269
07/02/25 Genesis Studio c268
07/02/25 Genesis Studio c267
07/02/25 Genesis Studio c266
07/02/25 Genesis Studio c265
07/02/25 Genesis Studio c264
07/02/25 Genesis Studio c263
07/02/25 Genesis Studio c262
07/02/25 Genesis Studio c261
07/02/25 Genesis Studio c260
07/02/25 Genesis Studio c259
07/02/25 Genesis Studio c258
123…19
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32 Reviews sorted by


Fluffums
Fluffums
January 16, 2025
Status: --
There's something I found missing in reviews that I myself only noticed when I started over from the start.

That is, the sheer genius of world-building, inferred from the first two chapters. The protagonist directly states [things negative reviews here complain about] and says he'll stake his life preventing them from releasing the game until the story is fixed... So he ends up in the game setting with a task list.

So this is NOT a mystery novel, the protagonist is NOT supposed to be even as smart as Irene Adler was.... more>> The protagonist just has a normal (not perfect) understanding of both the original and the game, neither of which match up to the reality he finds himself in. What we have is a protagonist surrounded by incredibly smart and talented characters who he thinks he can predict. And who he needs to manipulate, or die. Therefore, an expanding yandere harem battle royale that he just needs to survive until the fated showdown between Holmes and Moriarty.

Most of the bad reviews seemed to expect a different genre... <<less
3 Likes · Like Permalink | Report
Tenome
Tenome rated it
December 9, 2024
Status: c20
Starts off with potential as a reverse Sherlock Holmes knockoff where our MC has to setup Holmes and Moriarty against each other (no reason why, it's just the only thing he knows since he's in his own game), but quickly throws it away to become a harem. By chapter 20, our MC is grovelling before Moriarty and proclaiming that he's her property while also confessing his love to Holmes. There's no mystery story here, and what little exists are just Cliffnotes versions of the original stories. What's funny is that... more>> our MC (and by extension, presumably, the author) is a diehard fan of Holmes who derides the game as a cheap copy of the Holmes stories, but that's what the author himself ends up writing. Each case is just the corresponding Holmes story, but with magic and another girl falling into his harem.

Oh, and to prevent him from ever coming into any hardships, he
Spoiler

suddenly becomes an immortal vampire out of nowhere for no good reason (other than he's "the creator of magic, " but he wasn't even the guy who developed the actual gameplay--his job was just to review the story).

[collapse]

What a waste. <<less
3 Likes · Like Permalink | Report
LonelyMatter
LonelyMatter rated it
November 1, 2023
Status: c51
Being an avid of the original Sherlock Holmes works, this series piqued my interest. And I must say, the author has done a pretty good job with the execution.

After sending a scathing email to the developers of a genderbent, fantasy Sherlock Holmes game, the MC wakes up in the body of Isaac Adler (genderbent Irene Adler). To ensure his own survival, he has to ensure that the irrational storyline created by the story team stays does not deviate too much from the flow of the world and that the characters... more>> of the story remain true to their purpose.

While the mysteries from the original works are adapted into the game, the fantasy elements helps add a twist to them. But, rather than having the mysteries as the focus, I'd say that the characters are what take the limelight. Each of them is well fleshed out, having their own personalities and struggles and hiding a mystery of their own. Their interactions are pretty amusing as well. Watching what can perhaps be called the 'Human-side' of some of these characters is pretty refreshing as well.

All in all, whether you like the mystery genre or you don't, or whether you like Sherlock Holmes or you don't, I'd suggest you give this novel a try. <<less
3 Likes · Like Permalink | Report
Sertian75
Sertian75 rated it
October 15, 2023
Status: c41
This is a novel that revolves around the MC, Isaac Adler, changing the flow of the world so that it doesn’t get erased. As we read in the synopsis this is the world of the Sherlock Holmes novels but with all the characters genderswapped to females, except for the protagonist Isaac Adler.

Contrary to the Sherlock Holmes novels, this story is not about the mystery of crimes, they mostly get resolved pretty quickly and aren’t really interesting. The mystery is in the world itself and what would be the fate of... more>> our protagonist.

As you already guessed the are a lot of girls in this web novel, so this story mostly appeals to those who enjoy harem stories and especially for those who like yanderes. As every female character in the story is unhealthy obsessed with the MC. <<less
3 Likes · Like Permalink | Report
fishboi
fishboi rated it
January 9, 2025
Status: c33
I can't read this. Like, holy hell, this story feels so damn incoherent. I believe it's due to the ab*se of time skips and leaning too much on the original story.

Let's take The Speckled Band arc for example.

... more>>
Spoiler

It starts with our MC, Isaac, being stabbed by Helen Stoner. He then woke up in the hospital, and decided to become lady Grace Roylett's pet (?) taking advantage of him being a vampire (read: exotic animal).

After that, it cuts to Moriarty and Holmes (waifu ver btw) entering the Roylett mansion, where they're surprised to see him as a pet. Holmes shares her deduction of the case to Isaac, which he rejects as incorrect.

But see, there's zero investigation whatsoever! You're expected to imagine Holmes doing the same thing as in the novel, except this world has magic! This chapter is the first time the speckled band is even brought up inside the story itself! Holmes literally has never spoken with Helen on-screen up to this point! In fact, they literally never interact on-screen during this entire arc!

By the way, the twist of the novel is that Helen is actually the culprit (the previous deduction is that lady Roylett used the snake to inject hallucinogen into Helen to force her to commit the crime). She is revealed to be obsessed with Isaac... except she literally only appears twice: once when she stabbed him and once when the truth was revealed and she was trying to r*pe him.

[collapse]

Reading this story is like watching a movie but out of 4 scenes 2 are deleted just because. <<less
2 Likes · Like Permalink | Report
dadsarefuny
dadsarefuny rated it
August 30, 2024
Status: --
A lot of people who reviewed this talked about how this novel basically scalps the original Sherlock book. Entirely true by the way but even if you haven't read the original books, this novel just sucks to read due to just how predictable it really is. Isaac's plans literally never succeed, especially if it's a scheme against the main cast. If he makes a plan or a plan is being thought of in his mind, you can guarantee the exact opposite will happen. If he makes a plan behind the... more>> heroines backs, you can guarantee he will be caught. He just seems to be a Gary Sue, being carried solely by the plot who's purpose begins to make less and less sense as the novel goes on. <<less
2 Likes · Like Permalink | Report
Kiddcryll
Kiddcryll rated it
June 24, 2025
Status: c246
Pros

    • Good concept/premise. It starts off very strong.
    • Good characterization. Most of the main characters have fleshed out personalities and motives and you can easily imagine what they'd do in a certain situation.
    • The character development is pretty much the biggest part of the story itself and make up for a lot of the bs I personally didn't like.
    • I like the MC's personality. He's basically a rizz god in every sense of the word as well as a s*um bag lol. He's clever but also a dumbass at times. If you can swallow some of his poor decision making (especially later on), he's very much likeable and his motives are solid even though he doesn't constantly show.
    • The character interactions between the MC and the other characters are always something to look forward to which is also a big part of the story.
Meh

    • It's not for everyone as you can see in the tags (i.e. F*mdom, Yandere, r*pe, etc.). I personally got put off in many of the later instances where the MC is basically a blunt being passed between all the FMCs and he just allows it to happen. Not specifically anything s*xual but just in general.
    • The mystery about their identities was good but could have been executed better in my opinion.
    • Only enjoyable if you know what you're getting into. Don't read expecting a good romance/mystery/thriller story and expect more about human nature and how it deals with boredom, addiction, possessiveness, emotions, etc. Reflected in the development of the characters. I only understood this aspect midway which helped me continue reading.
Cons

    • There are times where I don't know if the MC is an actual idiot or just pretending to be cause of all the signs of someone slowly being "twisted" by him or maybe a certain consequence from his actions will obviously happen but he wasn't able to think about it beforehand and doesn't do anything to prevent/stop it.
    • The power system is nonexistent (i.e. There are times when person A is suddenly able to go toe-to-toe with person B without any explanation other than "training"; or when MC just suddenly reveals that he was learning a specific spell just for this exact moment that would solve his problem). There's not much explanation in there, more of a plot device to keep the story going. The MC himself is also inconsistent cuz at times you can always expect him to be able to get out of any sticky situation using his abilities but in other times he doesn't when he was shown to have the foresight/intelligence/ability to do so in earlier chapters.
    • The comedy aspect of MCs plans always going awry (especially during the later parts) gets old real quick. At the start, we still had a semblance of him being an actual mastermind.
Overall, around a 3.5 but I'm giving it a 4 in this case cuz I love the characters themselves.
1 Likes · Like Permalink | Report
Lolidkwhy
Lolidkwhy rated it
June 8, 2024
Status: c108
It's a decent novel.

That is, if you can ignore the absolute butchering of the setting, and the absurdity of the situation every single time. I just find so many grains with it.

For example,

... more>>
Spoiler

the whole academy thing? That thing wasn't even used for much before getting thrown out of the window. I don't know why it was even there in the first place.

Mc's beauty now automatically fix half of the trouble he run into, without any backslash.

Red mana being a symbol of vampire yet the girl just casually show it to someone else, and nobody knows, except conveniently the main cast all know.

[collapse]
<<less
1 Likes · Like Permalink | Report
BRUH8888
BRUH8888
May 13, 2024
Status: --
This novel is the definition of chaos hahaha the amount of chaos in every chapter is soo much, it never gets boring in any way it's wayy to entertaining.

The personality of every character is just a chef's kiss everyone feels alive and the interaction between them is such a joy to read.

And the MC is one of my favorite Character of any novels I've read he has just the perfect character for this novel he is straight forward who is also shy, he is a playboy with no experience, he... more>> is controlling and manipulative but is also kind and caring, he is clever but is also goofy and dumb, and the most important my man is a chick magnet especially the psychotic ones yes you yandere lovers get onboard.

Which makes his life so miserable yet so fun whichever you prefer.

I know it's a harem but you gotta try it this just soo damm entertaining. <<less
1 Likes · Like Permalink | Report
chencking
chencking rated it
March 25, 2024
Status: c67
Given this is from the author of The Main Heroines Are Trying to Kill Me, I went into this expecting a character-driven novel and it has not disappointed. The story revolves around the MC, Isaac Adler, bringing cases for Moriarty to plan and Holmes to solve to alleviate their boredom.

To be clear, despite Holmes being a character, this is not really a mystery series. The author loosely bases Adler's cases around the Sherlock Holmes books and wisely focuses on Holmes and Moriarty's machinations on Adler rather than trying to write... more>> mysteries like Arthur Conan Doyle.

My only complaint is that the system / mana stuff, while a minor part of the story, is a bit convoluted and not explained well. So the series is currently a 4.5/5 for me.

I hear that the series really picks up at around ch 100, so hopefully the setting will be better explained by that point.

PS: A minor thing I really liked is that
Spoiler

Moriarty instantly deduced that Isaac has an invisible window he is reading. While Holmes is less observant, she fairly quickly reached the same conclusion about Isaac as well.

[collapse]
We see that Isaac may have transmigrated into a game he helped design, but he cannot keep up with their genius and they are beyond his control. <<less
1 Likes · Like Permalink | Report
abhijeet619
abhijeet619 rated it
February 10, 2024
Status: c41
It's not much of a crime solving novel. Most of the focus is on the interactions between MC and the girls. All girls are crazy, obsessive yanderes who want to tie MC up in a basement to keep him there forever. Translation quality is pretty good;as you expect from genesis. You should read it if you want a yanderes harem novel.
1 Likes · Like Permalink | Report
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