After being betrayed and killed, an intelligence agent is led by a mysterious beauty into a system where he is given a secondAfter being betrayed and killed, an intelligence agent is led by a mysterious beauty into a system where he is given a second chance to live. He decides he wants to have a radically different life and even picks a small goal, which is to become the most powerful being. But... there seems to be something wrong with the system. (Source: WebComics)

After the long night, terror shall reign! Supernatural monsters descend upon the modern city! Common sense and rules of law are no more! Blood rains down on a peaceful campus, tombs crack open in the cemetery on the outskirts of town, and the slums are haunted by shadowy apparitions… In this dark and desperate world, there is a post office that only emerges at midnight, where a young man dressed in black can navigate these mysterious and terrifying places. The young man in black will become a legend, his stories passed around in secret by word-of-mouth, “He is the Great Lord of the Underworld!” (Source: Fanqie Manhua, tanslated)