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1. A Harmony in Thirds by Spookypetrine for Kmsk

   Fandoms: My Chemical Romance, Avenged Sevenfold (Band)  

   • Explicit
   • No Archive Warnings Apply
   • M/M, Multi
   • Work in Progress

   27 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Frank Iero/Gerard Way
   • Frank Iero/ Matt Sanders
   • Gerard Way/ Matt Sanders
   • Frank Iero/ M. Shadows
   • Frank Iero/M. Shadows/Gerard Way
   • M. Shadows/Gerard Way
   • Frank Iero
   • Gerard Way
   • Matt Sanders
   • M. Shadows
   • Polyamory
   • Polyamory Negotiations
   • Polyamorous Character
   • Pre-Poly
   • Recreational Drug Use
   • Drug Use
   • Implied/Referenced Domestic Violence
   • Domestic Fluff
   • Domestic Bliss
   • MMM Romance
   • Hurt/Comfort
   • Emotional Hurt/Comfort
   • Implied/Referenced Cheating
   • Verbal Abuse
   • Verbal Degradation
   • Verbal Humiliation
   • Puppy Frank Iero
   • Puppy Play
   • BDSM
   • Dom/sub
   • Attitude Adjustment

   Summary

   Gerard disappeared to save themselves.

   Frank lost everything he thought he was entitled to and came back sober, apologetic, and too late.

   Matt was never supposed to matter this much. He was steady, quiet, hired help who became home before anyone noticed.

   This is a story about leaving, returning, and what happens when love doesn’t break cleanly in two. Sometimes it lingers. Sometimes it waits. Sometimes it asks all three of you to grow up.

   Language:

   English

   Words:

   52,231

   Chapters:

   9/?

   Comments:

   101

   Kudos:

   24

   Bookmarks:

   3

   Hits:

   622