Library

In this world, there is a group of people who are outstanding and talented. It can control energy that ordinary people cannot control, but it is hidden from the world. They have a common name - Fallen Angel. . In this city, there is a blacksmith shop that no one cares about. The man in it lives a life of sunrise and sunset. One day he received a letter from the Fallen Angels, the largest Fallen Angel base in the world. He smiled slightly after reading it. Get up, burn the letter, and head to Japan...