Reincarnation: I Am the Child of Salvation

One female lead. No brainless characters or dumbing them down. Urban fantasy.

In ancient times, the first great war between humans and demons came to an end, and most of the demon race was sealed away. Now the seals are weakening, and the Savior, in whom humanity had placed its hopes, has gone missing. Humans have searched for eighteen years without a clue. The crisis is drawing ever closer. What path can humanity take?