After Yangtang's death, people mourned for the eldest daughter of the Yang family.
Five years later, Lu Yang and Zhou Mian found a baby in the coffin.
Lu Yang: "How should we fix this?"
Zhou Mian: "You can accept her as my junior sister."
Another fifteen years later, they left the Kunlun Mountains. What kind of secrets were these cute boys and girls looking for?
Purpose: Understand the world