She, a ghost from another world, had actually arrived at an ancient tomb after traveling through the world. After escaping from the tomb with great difficulty, she had discovered that she was actually a slave that was buried with them. The world outside the ancient tomb, was full of killing intent and blood. She had cured him of the disease he had been suffering from for so many years, obtained his legal identity by accident, led him and his soldiers through volcanoes, flew down cliffs, forged fine iron, built tall buildings, and stepped into the center of power step by step. But she gradually discovered the enormous secret that he and she carried with them …