Control Ghosts and Subjugate Demons, I Will Cultivate Immortality and Become a Saint in Hell

[Single male protagonist + urban supernatural + black mythology + yin and yang reincarnation + hell-level cool story] Zhong Jiu was targeted by a beautiful female ghost. When he was about to die, he received the "secret order from the underworld" and became the "general agent" of the Yin Division in the Yang world. He can exercise the power of the Yin Division to become a god. In a new world where supernatural beings are resurrected and Yin energy is skyrocketing, he can recast the iron law of the Judge of Hell and reshape the order of Yin and Yang reincarnation! Kill the demons with a hundred thousand banners, and let the black myth of the underworld reappear in the world! Open up the path to the Immortal Realm with immeasurable merit... Cleanse away the filth in the world and restore clarity to the world! Rely on your own strength to turn things around and achieve the eternal Yin and Yang Supreme!