Age control group? The top student is reborn and wins.

Song Chuyu and her stepsister Yao Jingxue were both reborn. In her previous life, Song Chuyu went to the countryside as an educated youth and married a rough man, while her stepsister stayed in the city and married the son of a factory director. Everyone said that her stepsister married better than her and would live a hundred times better than her. But who knew that in the end, the man Song Chuyu married became the richest man in Jiacheng, while the man Yao Jingxue married had someone else in his heart. She couldn't fight the mistress and remained a widow for the rest of her life. Song Chuyu became the wife of the richest man that everyone envied. Everyone said that she had a good life and married well, but only she knew the hardships behind it. When she opened her eyes again, Song Chuyu returned to the time when she just discussed marriage before going to the countryside. This time, her stepsister wanted to change her marriage, rushing to go to the countryside as an educated youth and marrying a rough man, fantasizing about becoming the wife of the richest man...