Dean & Ruby - Don’t let me go

(In this story Ruby is not a demon, she’s an ordinary girl.) The story begins when Dean realizes that Ruby is not real anymore. There’s a demon inside her that wants to kill Dean. Then Sam attempts to kill the demon for the sake of saving his brother’s life. But Dean doesn’t let him do it because of Ruby. Finally, the demon leaves her body which causes huge damage to her. After a few days when she was senseless making Dean too anxious for her, she finally wakes up. But she can’t recognize Dean. Her p