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• The Slytherin in Scarlet by LOrd_of_justicee

  Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime), Harry Potter - J. K. Rowling  

  • Teen And Up Audiences
  • Graphic Depictions Of Violence
  • F/F, F/M, M/M
  • Work in Progress

  02 Mar 2026

  Tags

  • Graphic Depictions Of Violence
  • Sherlock Holmes/William James Moriarty (Yuukoku no Moriarty)
  • Mycroft Holmes/Albert James Moriarty (Yuukoku no Moriarty)
  • James Bond | Irene Adler/Miss Hudson (Yuukoku no Moriarty)
  • James Bond | Irene Adler & Sebastian Moran (Yuukoku no Moriarty)
  • Albert James Moriarty & Louis James Moriarty & William James Moriarty (Yuukoku no Moriarty)
  • Sherlock Holmes & John Watson (Yuukoku no Moriarty)
  • Mycroft Holmes & Sherlock Holmes (Yuukoku no Moriarty)
  • Albert James Moriarty & William James Moriarty (Yuukoku no Moriarty)
  • Sebastian Moran & Albert James Moriarty (Yuukoku no Moriarty)
  • Sherlock Holmes & Miss Hudson (Yuukoku no Moriarty)
  • Sherlock Holmes & Louis James Moriarty (Yuukoku no Moriarty)
  • Fred Porlock & William James Moriarty (Yuukoku no Moriarty)
  • Sebastian Moran & Fred Porlock (Yuukoku no Moriarty)
  • Louis James Moriarty & Fred Porlock (Yuukoku no Moriarty)
  • James Bond | Irene Adler & William James Moriarty (Yuukoku no Moriarty)
  • William James Moriarty (Yuukoku no Moriarty)
  • William James Moriarty | Albert James Moriarty's Biological Sibling
  • Albert James Moriarty (Yuukoku no Moriarty)
  • Louis James Moriarty (Yuukoku no Moriarty)
  • Sherlock Holmes (Yuukoku no Moriarty)
  • Mycroft Holmes (Yuukoku no Moriarty)
  • Sebastian Moran (Yuukoku no Moriarty)
  • James Bond | Irene Adler (Yuukoku no Moriarty)
  • Fred Porlock (Yuukoku no Moriarty)
  • Miss Hudson (Yuukoku no Moriarty)
  • John Watson (Yuukoku no Moriarty)
  • Harry Potter Characters
  • Attempted Murder
  • Arson
  • Past Child Abuse
  • Child Neglect
  • Past Alcohol Abuse/Alcoholism
  • Brotherly Love
  • Mystery
  • Detectives
  • Crime Scenes
  • Crimes & Criminals
  • Organized Crime
  • Angst
  • Love Confessions
  • Falling In Love
  • Orphanage
  • Backstory made by me
  • Slight sibling jealousy
  • William has narcolepsy
  • Some headcanons written by me just in case you'll be shocked
  • Jack Renfield is an uncle
  • Jack Renfield is raising the M brothers
  • Angst and Hurt/Comfort
  • The author is going through medical problems
  • Albert is a perfectionism
  • Everything has a deeper side and I mean everything
  • A lot of hidden meaning because author is delusional
  • William and Sherlock are too smart to write for an idiot like me
  • Characters may appear in the future
  • Ocs are not Mary sue's
  • manga references
  • Burnout - Freeform
  • PTSD
  • Disordered Eating
  • picky eating
  • Future monologues
  • Sleep Deprivation
  • Emotional Manipulation
  • Lord of crime is w eleven year old at the start
  • William is worried about Louis
  • Sherlaim will appear
  • More characters will appear but I can't tag them because of the limit
  • Fake Character Death
  • Hiding Injuries
  • English Is Not the Author's First Language

  Summary

  "Yo, Moriarty, isn't it suspicious that you practically look the same as your younger adopted brother? At least in the Prophet, you looked too much alike..." Sherlock said these words with a sarcastic smile on his face, clearly testing William.

  "I don't understand what you mean, Holmes," William replied, leaning back in the seat with a small smile on his face, "but if you suspect something...we'll see, try to catch me at something if you can, Holmes."

  Sherlock just smiled faintly and then laughed.

  "I already like you Liam!"
  ________________________
  Or

  William starts his first year at Hogwarts while Albert is already on his third. William meets Sherlock and already likes him.

  Language:

  English

  Words:

  5,667

  Chapters:

  2/?

  Comments:

  12

  Kudos:

  62

  Bookmarks:

  8

  Hits:

  821