Hope Won't Fix This

Demitrious is a demon spawn Dove is a guardian angel spawn. They were born and raised to hunt and kill one another. But Dove starts acting weird. Demented weird. Demitrious finally has her cornered, but something refuses to let him kill her. Because he showed mercy, she binds with him. She becomes his guardian and they begin to have feelings that they don't know how to handle. The forbidden happens, and now the War has begun. Will Demitrious and Dove be able to join forces to stop the war or will this be the end of the world as they know it?