Zhang Luan discovered that he could travel back and forth between the real world and the magic world, and that many handicrafts and high-calorie foods in the modern world were rare treasures in the other world. From then on, Zhang Luan embarked on a road to wealth. A Snickers bar for a cowgirl maid? A glass for a thousand gold coins? A plastic music box became a national treasure? Zhang Luan looked at the small commodities on the online shopping platform and fell into deep thought.