The Greatest Son-in-Law of All Time

Mother-in-law: Son-in-law, please, save your father-in-law. Mother-in-law: Son-in-law, please make up with my daughter. It was all my fault. After signing a fake marriage contract for three and a half years, Ding Fan and Nalan Qingxue became a pretend couple. Two years into their life together, Ding Fan realized he'd fallen in love with his fake wife. Then his father, missing for two years, suddenly called and gave him 20 billion yuan and a film company. He also received a medical book written in tadpole script... From then on, he rose to greatness and became the greatest son-in-law of all time. First, let's set a small goal: become the richest man in the city...