Based on this [x]
Sterek AU: Derek comes back after a while, Scott’s Pack is dealing with vampires and FBI tries to blame Derek for the recent and old murderers in Beacon Hills. As alibi, Stiles has to play as Derek’s boyfriend and that means a lot of face-to-face with Rafa McCall who thinks Stiles has a PSTD with the behavior of his father after Claudia’s death. Derek tries not to laugh, seriously, but sometimes it’s impossible.
-And what about your forever crush, Stiles? Miss Martin
-Lydia? Totally over it. But you would know that if you weren’t a shitty dad who ran away leaving everything behind without caring about your family one fucking day, just saying.