Raise Zaizai with the System

Qing Shiyi is a programmer who writes code diligently every day, but due to an accident, she time travels to the Yuan Dynasty of the Great Zhou Dynasty. Three years later, she is now single and has three children without pain: the rebellious eldest son Yun Cheng, the precocious second daughter Yun Xi, and the sickly youngest son Yun Lang. She was always beating and scolding the three children. Qing Shiyi, who traveled to the past and has a system, captured the hearts of the children in crisis after crisis.