Pairing(s): Dean/Gabriel, Sam/Castiel – Debriel & SastielTags: fps, slash, human!Gabriel, human!Cas, angel!Dean, angel!Sam, first time, alternate realityLink: spnkinkmeme Prompt: Gabriel isn’t done with Team Free Will, oh no. It’s taken a while to recover from Lucifer’s attack and he’s got his powers back and what’s the first thing he finds out? That Dean and Sam …