After getting stabbed by his brothers, Lucifer is reborn as a human named Louise with a split personality due to his soul splitting. He meets Alastor for the first time in a new town after leaving his family. They fall in love and share nice memories, only for Louise to die and wake up as Lucifer, the king of hell. Alastor slowly goes crazy after Louise dies, and once he wakes up in hell he makes it his mission to reunite with his love, Louise, unaware that he was right beside him the whole time.