Eighty-Year-Old in Exchange for a Female Partner? I Go Crazy Relying on the Sign-In System

In her previous life, Ji Sisi married Dong Tengfei, her younger brother from the courtyard, and became a wealthy wife with no worries about food and clothing. Sister Ji Manrou's husband died suddenly on their wedding night. From then on, she became the sinner of the Gu family and was tortured to death of depression. After reviving her life, Ji Manrou said that this time it was her turn to be the leisurely rich wife! Ji Manrou designed a marriage exchange, so Ji Sisi could only marry Gu Yu, a short-lived ghost. The Ji family has raised her up, and the best way to repay her is to suffer for her in the Gu family. Ji Manrou is full of confidence in her future. Ji Sisi, who came through the book, believes that these are not problems. What does a man mean? With the system in hand, she chooses to be beautiful alone! It's just that so-and-so, don't keep pestering me and affecting my mood to cause trouble. Gu Yu: I pledged myself to save my life. I will learn from it in this life!