An Ping'an, an ordinary supermarket owner, until one day, his lower back was hit by an unknown source... The demon king who destroyed the world works as a cashier, the hero who bears hope is responsible for delivery, the almost extinct powerful dragon clan organizes shelves, and the true ancestor of blood peels garlic in the kitchen. Holding a cup of tea, An Ping'an let out a sigh: "Comfortable" Here, you will see the clash between ancient gods and modern technology, the collision between fantasy and common sense, and the travelers from the outer world.