Traveling to Ancient Times: My Space Contains Weapons

(Alternate History + Time Travel + Space + Firearms + Thrilling Read + Farming + Lighthearted Comedy + Slice of Life) No money? I can just pull out one item from my space and live on it for a lifetime. You're a grandmaster? How many bullets can you withstand? Need to improve your strength? I'll just drink some water from my space. Punish thugs, kill bad guys, raid Japan, and fight the West. Deliveryman Chu Chen, while delivering food to a shopping mall, accidentally witnesses a 200-pound woman, heartbroken, leaping from a rooftop and landing on him. He unexpectedly travels to an ancient feudal dynasty, bringing with him a two-kilometer radius of the shopping mall and its resources. Inside the space, there's not only food and drink, but also everything the ancients imagined...