The Son-in-Law Wants to Break the Engagement, But My Wife Clings Harder

University graduate Jiang Chen binds to a 10,000-fold return system, insisting on breaking his engagement to the richest family in Haicheng, the Su family. After failing the engagement negotiation, he accidentally receives a massive reward, causing the Su family to view him differently. Su Mury, the eldest daughter of the Su family, actively pursues him and they get married. Determined to ruin his life, Jiang Chen keeps triggering the system's cashback rewards, defeating opponents like the Lin family and Tiansheng Capital one after another. He also wins over everyone in the Su family. Through his 'ruinous' journey, he gains wealth and status, while his bond with Su Mury deepens.