Royal Key

There is a long-abandoned old house on Tengshan Road in Shanghai. The old house is brightly lit every August 15th. Yun Yi is a photographer, and he happened to pass by the old house that day. It happened to be August 15th, and the old house was brightly lit. Yun Yi quietly climbed over the wall and entered, only to find that it was pitch dark inside. There was a strange light flashing in the deepest part of the house in the dark night. Yun Yi walked closer and found an antique key lying on the ground. It was this key that gave off a strange light. The moment Yun Yi's hand touched the key, she came to a strange world.