The Scumbag Disliked the High Bride Price and Turned to the Chief to Propose Marriage

[Military Marriage of the Era + Real and Fake Daughters + Time Travel with Female Supporters + Double Sweet Pets] After his father passed away, Xu Shu was forced by his mother to marry a gangster. He was domestically abused and when he came home for help, he found that his whole family had followed his sister to the city to enjoy life. After finally getting divorced with the help of noble people, Xu Shu went through all kinds of troubles to find his sister, but was hit by a car and died before he could meet her. After his rebirth, Xu Shu kicked the black-hearted matchmaker out and determined not to be kidnapped by his mother's morals again. In the 1980s, when everything was in vain, she treated illnesses, saved people, went to college, and became rich through business. Unexpectedly, she met the noble person in her previous life in advance. Xu Shu wanted to remind him, but he was nervous and said, "Your legs... Are so long!" Soldier King Lu Yan had a serious and cold face: "Please respect yourself!" Xu Shusheng was afraid that he would misunderstand, so he quickly kept his distance. However, when Xu Shu was forced by his family to marry, Lu Yan became furious. "Xu Shu, marry me, and I will treat you well, love you, respect you, and give you all my allowances for the rest of your life..." Xu Shu got married, and the facts proved that she made the right choice in this life, and Lu Yan held her in his heart. It's just that... Xu Shu became so angry when he was exhausted: "Didn't you tell me to respect myself?" Lu Yan couldn't hide the deep affection in his eyes: "Daughter-in-law, I was wrong, punish me by doing another hundred push-ups." - He accidentally fell into a stinking ditch and entered the period novel, becoming a cannon fodder character in a flash. Xu Qian, who is familiar with the plot, plans to wait for her sister to get married and then take the token to become the eldest lady in the capital. Then find an excellent chief to marry, and be a comfortable official wife. It's just... How did the plot get derailed? My sister is no longer married and has to go to college to go to the capital, so how can she replace her and become the eldest lady?