Opening your eyes is the secret of the deep palace, closing your eyes is the original sin of blood. As a half-demon blind prince, Xiao Jue was a sure-to-die pawn in the battle to seize the throne. Until an assassination, he and the World-Destroying Demon Emperor, who had been sealed for thousands of years, were forced to enter into a symbiosis contract. In court, he plays the role of a docile loser, but secretly he joins forces with the violent voice in his head to stir up trouble. He originally wanted to use this world-destroying villain as a trump card to survive, but he didn't know when they began to share the five senses, joys and sorrows, and destiny. When the war between the human race and the demon race's revenge clouds the dynasty, this pair of "brothers" who have grown from mutual disgust to life and death dependence will use the sharpest tactics to carve out a new way of survival for this world.
