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1. Hot Under the Collar by Jenjentheboscostick

   Fandoms: Chicago Fire  

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

   18 Jun 2026

   Tags

   • No Archive Warnings Apply
   • Matthew Casey/Kelly Severide
   • Matthew Casey
   • Kelly Severide
   • Prank Divergenet Sevasey Weird Series
   • Sevasey raising the Darden Boys (mentioned)
   • established new relationship
   • Kissing
   • First Date
   • Best Friends to Lovers
   • switching POVs
   • Teasing
   • joking
   • getting hot and bothered in public
   • Semi-Public Sex (Mentioned)
   • Cute
   • Hugging
   • Cuddling
   • Naked Cuddling
   • feeding each other
   • Clothes Sharing
   • Sex in a Car (mentioned)
   • Secret Relationship
   • Swoon June 2026
   • love me bingo 2026

   Summary

   Severide has an idea for turning their annual night out to the Blackhawks game into their first date, what he hadn't anticipated is just how distracting Casey is when he's wearing Severide's clothes.

   Series

   • Part 9 of Prank Divergent Sevasey Weird Series
   • Part 24 of Swoon June 2026
   • Part 7 of Love Me Bingo 2026 - Love Language Bingo

   Language:

   English

   Words:

   2,831

   Chapters:

   1/1

   Collections:

   2

   Comments:

   4

   Kudos:

   6

   Bookmarks:

   1

   Hits:

   79