Awakening System Supermarket, Picked up a Princess at the Beginning

(System, wear, alternate history, upgrade, supermarket, conquer the world) A thunder fell in broad daylight, and the delivery boy Li Yan traveled to another world. After waking up, the system is bound without any accident. This is an invincible supermarket system. Li Yan got countless pistols and rifles at the beginning, led the refugees to defeat the Jin army that had just conquered Tokyo, and also picked up a beautiful princess. He originally wanted to occupy a piece of wasteland and become his own business, use plastic coins to make coins, control the county's currency issuance rights, and be a low-key behind-the-scenes traveler. Travel around the world and be at ease. However, he was eventually forced to embark on an upward life of conquering the world suddenly.