My Ice Queen Childhood Friend Won't Leave Me Alone After I Died Once

Death was supposed to be the end—until my childhood sweetheart dragged me back from the afterlife. But something's wrong. The cold, distant girl I knew is now clinging to me like her life depends on it. When I steal someone's destiny? She smiles and says peace is everything. When I crash into the demon sect's lair? She preaches virtue over violence. What happened to the ice queen I died trying to protect? And why does her obsessive devotion feel more terrifying than death itself?