Back to the 1970S, My Sister Stole My Engagement

In her previous life, Chen Wanwan married well, but watched her younger sister, Chen Yinyin, enjoy a better and better life. A military marriage, a life with her husband at the army post, and someone always there to protect her, while Chen Wanwan's marriage was cold and loveless. She never knew tenderness in all her life. Reborn in the 1970s, she gets another chance at fate. This time, she will take everything for herself. When no one is paying attention, she quietly switches the marriage contract. At first, Chen Yinyin knows nothing. She only discovers that she can always hear her sister plotting with some kind of System to frame her.