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1. Strength in Seduction by Jenjentheboscostick

   Fandoms: Chicago Fire  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   12 Aug 2026

   Tags

   • No Archive Warnings Apply
   • Matthew Casey/Kelly Severide
   • Matthew Casey
   • Kelly Severide
   • Christopher Herrmann
   • Darren Ritter
   • Joe Cruz (Chicago Fire)
   • Prank Divergent Sevasey Weird Series
   • Sevasey raising the Darden Boys (mentioned)
   • Established Relationship
   • Secret Relationship
   • Kissing
   • Strength
   • Sex at work
   • Anal Sex
   • Blowjobs
   • Anal Fingering
   • switch POV
   • teasing oneself
   • Bottom!Severide

   Summary

   After nearly getting caught, Casey re-introduces the no-sex-at-the-firehouse rule. Unfortunately for him, his boyfriend knows just to seduce him.

   Series

   • Part 27 of Prank Divergent Sevasey Weird Series
   • Part 11 of Writer's Month 2026

   Language:

   English

   Words:

   1,512

   Chapters:

   1/1

   Collections:

   1

   Comments:

   2

   Kudos:

   15

   Bookmarks:

   2

   Hits:

   279