saver

There is a 19-year-old boy named Unhak who is a devil. And the leader is an angel and he knows that he is an angel. But Unhak knows that he is a devil, and he also knows that the leader is an angel. And in this world, the only angels and devils are Unhak and the leader. But the reason Unhak didn't attack the leader is because the leader called Unhak to this world to kill him and make this world a world ruled by demons, but he got tired of it and started working in earnest at the age of 19. But t