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1. Sinned by atticlucker

   Fandoms: Monsters: The Lyle and Erik Menendez Story (TV 2024), Monsters: The Lyle and Erik Menendez Story (TV 2024) Actor RPF  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Work in Progress

   05 Feb 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Nicholas Chavez/Cooper Koch
   • Nicholas Chavez & Cooper Koch
   • Nicholas Alexander Chavez/Cooper Koch
   • Cooper Koch
   • Nicholas Chavez
   • Ari Graynor
   • Javier Bardem
   • Chloë Sevigny
   • Ryan Murphy (Producer)
   • Lyle Menendez
   • Erik Menendez
   • Nicholas Alexander Chavez
   • Victoria Abbott
   • Stuart McClave
   • Mikey Madison
   • Cheating
   • Friends to Lovers
   • Actors
   • On Set
   • Filming
   • Co-workers
   • Falling In Love
   • Forbidden Love
   • Infidelity
   • Smut
   • Secret Relationship
   • Real Life
   • Inspired by Real Events
   • Sexual Tension
   • Explicit Sexual Content
   • Denial of Feelings
   • Friends With Benefits to Lovers
   • Friends With Benefits
   • Self-Denial
   • Feelings Realization
   • Practice Kissing
   • Party Host Jackson Wang (GOT7)
   • Behind the Scenes
   • RPF
   • Love Affair
   • Bottom Cooper Koch
   • Top Nicholas Chavez
   • No beta we die like Jose and Kitty
   • Coming Out
   • Slow Burn
   • POV Alternating
   • POV Multiple
   • POV Third Person
   • Eventual Happy Ending

   Summary

   Cooper Koch and Nicholas Chavez have it all: a big Netflix show and devoted partners who have been by their sides since the beginning. But when the cameras stop rolling and they return to their shared trailer, there takes hold a sinful, forbidden attraction that threatens to shatter their careers before they even take off.

   Or: co-stars falling in love and cheating on their partners.

   (Inspired by jokes that Cooper and Nicholas hooked up on set and that’s why they had a “falling out.”)

   Language:

   English

   Words:

   388,205

   Chapters:

   50/60

   Comments:

   549

   Kudos:

   326

   Bookmarks:

   11

   Hits:

   11,100