The Mysterious Postman's Strange Delivery of Supernatural Letters

Hong Fei was originally just a young man living at the bottom of society, struggling to make a living. By chance, on his way home late at night, he met an old postman who was seriously injured. The old postman was being hunted and fled to the world to avoid the enemy. When the old postman was about to die, he handed the Underworld Postman's token, a black token engraved with mysterious runes, to Hong Fei, and forced the Underworld Postman's inheritance mark into his body, telling him to complete the next letter delivery task, otherwise the world would face catastrophe. Hong Fei looked horrified and at a loss, but looking at the old postman's sincere eyes, he felt an inexplicable sense of responsibility in his heart...