Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. A Working Theory by rosesnomore

   Fandoms: Criminal Minds (US TV)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • F/M
   • Complete Work

   19 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Spencer Reid/Reader
   • Spencer Reid/You
   • Spencer Reid
   • Smut
   • Vaginal Fingering
   • Vaginal Sex
   • Friends to Lovers
   • Best Friends to Lovers
   • Oral Sex
   • Pet Names

   Summary

   For years, Spencer Reid has kept his feelings for his best friend locked away, certain she would never feel the same way. But Spencer, ever the profiler, can't stop noticing certain patterns in her behaviour. The data is right there in front of him, he's just too afraid to trust it. What happens when he can't ignore the evidence anymore?

   Language:

   English

   Words:

   6,907

   Chapters:

   1/1

   Comments:

   2

   Kudos:

   108

   Bookmarks:

   15

   Hits:

   1,537