You Can't Fix Everything

Wei Ying and Lan Zhan somehow switched into each other's bodies and now they have to find a way to help the other. But is Wei Ying willing to let Lan Zhan and Xichen help him when he really needs it? What is Lan Zhan going to do when he finds out Wei Ying doesn't have a golden core and that was the reason he let go of his sword and picked up demonic cultivation? Full Summary inside