Chapter 1

Dean and Michael are identical twins and so are Castiel and Lucifer. Michael and Castiel go to a highschool for gifted kids and Lucifer and Dean go to a normal highschool. Meeting each other at school Lucifer and Dean start dating and so do Michael and Castiel. When they meet their respective boyfriend's other twins, they start to wonder if they chose the wrong twin. Should Dean be with Cas instead? Should Michael be with Lucifer instead?

Maybe background Sabriel