Tsundere System: the Nongmen Doctor's Wife Is so Shrewd

Introduction: Just helping the old lady cross the horse, this can be done through time. Forget about traveling through time, he still traveled through time in the body of a fool with a little bun and a vicious mother-in-law. Qiu Shuang felt that he was really unlucky for eight lifetimes. Fortunately, there is a system around him, otherwise Qiu Shuang would not know how to support his son. Also, who is this man in her family, and why does the emperor come to his house in person to find him?