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1. Are All Mobsters Monsters? by ImmortalSimulacrum

   Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types, The Heroes of Olympus - Rick Riordan  

   • Explicit
   • Graphic Depictions Of Violence
   • M/M
   • Work in Progress

   02 Jul 2025

   Tags

   • Graphic Depictions Of Violence
   • Jason Grace/Percy Jackson
   • Jason Grace
   • Percy Jackson
   • Leo Valdez
   • Frank Zhang
   • Luke Castellan
   • Annabeth Chase (Percy Jackson)
   • Pretty Much All at Some Point
   • mafia
   • undercover cop
   • Secrets
   • Mafia/Undercover Cop trope
   • Mob boss Percy Jackson
   • Detective Jason Grace
   • Mystery
   • Alternate Universe - Human
   • Alternate Universe - Prohibition Era
   • Anal Sex

   Summary

   Detective Jason Grace, fresh from New York, is placed undercover on a case to catch one of the most notorious Mob Bosses in Los Angeles, Perseus Jackson. Will he be found out before he gathers enough evidence? Or will the surprisingly charming Percy Jackson weasel his way into Jason's affections?

   Language:

   English

   Words:

   10,888

   Chapters:

   6/?

   Comments:

   23

   Kudos:

   149

   Bookmarks:

   25

   Hits:

   2,532