Two Universes (Cas X Reader X Dean)

In this choose your own story, you start off in love with a blue eye angel known as Castiel. After a familiar protagonist pops by, you discover a shocking information. There's only one you. Opposed to others wheras they replace themselves temporily aware of the travel, each time you enter a universe: it adapts to your presence and you resume your role. In the alterante universe where Supernatural is a T.V show about your life with the Winchesters.Castiel finds out some shocking news involving you and a Winchester. Will your relationship survive? You decide.