Return to 94: My Brother-In-Law Cried and Begged Me to Marry My Sister-In-Law

In his previous life, before his death, his brother-in-law Guo Tao asked Chen Shan to take care of his sister-in-law. He promised, but because he was in love with a girl from the next village, he didn't pay much attention to her. It wasn't until his sister-in-law was exterminated by relatives of his brother-in-law's family that he committed suicide with his daughter in his arms, leaving the last inheritance to him. Chen Shan realized that What a bastard he is, but he made a fortune quickly by starting a small business with the inheritance left by his sister-in-law. The tens of millions he accumulated were also transferred to Voldemort's village belle wife. After his rebirth in this life, he wants to save his sister-in-law from committing suicide in despair, and he wants to make up for the mistakes he made in the past...