Zhang Luan discovered he could travel back and forth between the real world and the magical one. Many modern artifacts and high-calorie foods were rare treasures in the other world. From then on, Zhang Luan embarked on a path to prosperity. A Snickers bar for a cowgirl maid? A glass for a thousand gold coins? A plastic music box became a national treasure? Zhang Luan gazed at the small items on the online shopping platform, lost in thought.