Follow Through

[highermagic]

Title: Follow Through (Part of the Snapshots 'verse)
Author: HigherMagic
Rating: NC-17
Pairings/Characters: Dean/Castiel
Spoilers: None, it's AU.
Warnings: talks of MPreg, knotting, heat!sex
Word Count: ~4,400
Summary: Dean and Castiel work through their first Heat, and then Gabriel's in town.
Notes: Unbeta'd. All mistakes are my own.