Mysterious Recovery: Starting from the Ghost Post Office

I am Zhang Xianguang. The son of the ghost master Zhang Dong, the third manager of the Ghost Post Office, and the executor of the Peach Blossom Spring Project. I broke into a ghost post office three times, tore up letters, dismembered the manager, and forced my way into the fifth floor - everyone thought I was challenging the rules, but little did they know that I was preparing for the "Peach Blossom Land". The moment the Upside Down Ghost and the Ghost of Life and Death finished dying in my body, the plan had just begun. The savior of mankind? No. I am just an idealist who wants to bring all mankind into a ghost-free world.