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Moriarty the Patriot (憂国のモリアーティ, Yūkoku no Moriarty) is a Japanese manga series serialized in Jump Square magazine by Shueisha since August 2016. The series focuses on Professor Moriarty, who is referred to as William James Moriarty in the manga.

It is written and illustrated by Hikaru Miyoshi. Ryōsuke Takeuchi was a writer and storyboard composer for Part 1 of the series. In the United States, it was licensed for an English release by Viz Media in 2020.

The manga inspired five musicals, two stage plays and an anime television series adaptation by Production I.G that premiered in October 11th 2020.


In the late 19th century, the British Empire has become a global power. Due to the strict class stratification, the people are divided and faced with discrimination from the cruel nobility.

William James Moriarty, the second son of the Moriarty household, is a young mathematics professor who has displayed great cunning and intellect since he was a child. Along with his brothers Albert and Louis, he lives the simple life of a noble in the eyes of the public.

However, his gentle demeanor belies his position as the head of a group that includes his brothers as well as the ex-soldier Sebastian Moran and the young expert in stealth Fred Porlock, that are prepared to wreak havoc in pursuit of its desire — an annhiliation of the class system, a new world built from the ashes of the old.

During his campaign of breaking down the nobility, he crosses path with Sherlock Holmes, a consulting detective residing in 221B Baker Street, who's joined by his colleague and roommate, Doctor John H. Watson.

Moriarty The Patriot puts a new spin on Arthur Conan Doyle's original work by putting the spotlight on the "Napoleon of Crime" and his pursuit of an equal nation. It also focuses on the relationship between him and Sherlock Holmes - arch nemeses on a professional level, but with a personal and intimate connection.

Connections To The Doyle Canon[]

Holmes and Moriarty[]

Moriarty the Patriot deviates heavily from the usual portrayal of Sherlock Holmes' and Professor Moriarty's relationship. They do end up being arch-nemeses in public, but this was specifically orchestrated by William, declaring Sherlock the "hero" of his plan and making them the Lord of Crime and the detective that is chasing him.

On a personal level, Sherlock and William get along immediately. It is later revealed that they found the only one who would understand them in each other, sharing an innate connection and desire to be with each other. Unlike the original "Final Problem", Sherlock actively tries to save William from his demise and ultimately jumps after him to be together with him in death.

Moriarty Brothers[]

The manga fixes the contradictory information of Moriarty's siblings, where in The Adventure of the Final Problem his brother is Colonel James Moriarty while in "The Valley of Fear", it's referenced that he has a nameless younger brother who's a station master in the west of England.

The manga uses both brothers in the story, having a younger biological brother named Louis whom he grew up in poverty with until they were adopted into the Moriarty household by Albert James Moriarty, who would become their older brother.


Moriarty the Patriot includes or references the following Holmes Canon stories:


  • Moriarty's crew include the manga's incarnations of Sebastian Moran and Fred Porlock, as well as James Bond who was born as Irene Adler.
  • The manga is also the first piece of Sherlock Holmes media that provides a visual representation of Doyle characters that were merely referenced like Von Herder, the blind mechanic who manufactured Sebastian Moran's air rifle.
  • John H. Watson writes about Sherlock's stories under the pseudonym "Conan Doyle."



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