Zhang Jiu is a son of Tiandao who was inadvertently tricked by the system girl and Tiandao. He once felt that he was a fake son of Tiandao, and made a great wish to live in the fourth master's front yard for the rest of his life, eating and waiting to die. However, he is a son of heaven and will always shine. When he came to his senses, he would have spent most of his life in the Fourth Master's mansion.
Purpose: To strengthen the country through industry and commerce?