Eating melons and raising children in the period literature

Yang Qingqing in the 21st century got the system by mistake, but it was a one-time thing. Fortunately, there was a system compensation, otherwise it would have been over at the beginning. Yang Qingqing in the parallel universe was orphaned at the age of 5 and had been living with her brother and sister-in-law. They were a happy family. She was waiting to graduate from high school and find a job to make money to repay her brother and sister-in-law. As a result, it was a bolt from the blue. Her brother and sister-in-law died in the mission. The family left behind a 6-year-old nephew Yang Wenxuan, a 10-year-old niece Liu Wenjing, a 4-year-old nephew Yang Wenyuan, a 3-year-old niece Yang Wenqian, and a 16-year-old Yang Qingqing who had just graduated from high school. Fortunately, the 21st century's older leftover woman, 32-year-old Yang Qingqing, brought shopping...