Encounter a Yin and Yang Calamity at Night! Have I Become a Master of Impermanence?

Lu Mingliang went home late at night and strayed into a strange alley. Two fierce ghosts fought for Lu Mingliang, but when he was about to die, they activated the system and transformed into Hei Wuchang! Lu Mingliang jumped from an ordinary social beast to a law enforcer in the Yin and Yang Realms! He learned onmyoji and dealt with evil ghosts at the same time. But he never thought that he would be accidentally involved in the war! Shocking conspiracy! The battle between yin and yang! Lu Mingliang: Don't worry, let me deal with them!