I don't care how you make this work, but pleeeeease

Alan Wake/Assassin's Creed

Maybe Alan writes really bad darkfic for the AC Kink Meme that STARTS COMING TRUUUUUUUEEEEEE. Or, y'know, maybe Shaun read one of his books once and burnt it, only to find out Desmond is the biggest fan of Alan Wake ever and drags him to a book signing.