The Delivery Boy Travels to the World of Immortality

The protagonist, Lin Yuan, is an ordinary delivery boy. During the process of delivering food, an accident occurred. He accidentally traveled to the Immortal Realm and became the most useless handyman. He activated the logistics system of all realms, took orders to cultivate immortals, and delivered goods. As a mortal running errands, I made a comeback, overturned the liquidation of the Heavenly Era, and reshaped the rules of humanity in all realms!