Fic: Advanced Thanatology Sam Comfort Series
Title: Part 1 - Castiel
Author: TFWBT
Rating: NC-17
Genre/pairing: Sam/Castiel
Characters: Castiel, Sam
Word count: 3528
Summary: This is part of a series where Castiel, Dean, and Jack all comfort Sam after the events of Advanced Thanatology. Each story in the series features a different pairing. They can be read as part of the same or separate universes depending on personal preferences. The Castiel/Sam story takes place after Tombstone.
Spoilers: Season 13
Warnings: Reference to past rape by Lucifer in the cage
Read on AO3