After the Tragic Death, the Wife Who Came Back from the Rebirth, She Killed Her Crazy

[Rebirth + Satisfying Read + Scumbag Revenge + Intelligent Female Lead + Domestic Strife + Outwitting the Evil Mother-in-Law + Step-by-Step Crackdown on the Hypocritical Sister-in-Law] Yi Zhiyu was born into a wealthy family. Lively and carefree, she should have lived a carefree life, but instead, she was forced into a high-status marriage into a noble household. Forced to suppress her true nature and conform to the rules, she faced constant scorn from her mother-in-law and difficulties from her sister-in-law. She intended to endure her fate, but her marriage was destined to be filled with misery. Her husband died young, leaving her a widow with a son and a daughter. Her biological son, addicted to gambling, was kidnapped and died tragically at a young age. Her adopted son, intelligent and precocious, drowned in a pond before even reaching ten years old. Losing her husband and son in succession, Yi Zhiyu was devastated. She considered suicide, but couldn't bear to leave her young daughter behind. After recovering her strength, she painstakingly raised her youngest daughter, giving her all her wealth as a dowry when she married. However, on the third day after her daughter's return to her parents' home, she was poisoned by her youngest daughter and died a tragic death in the backyard. Only before her death did Yi Zhiyu learn that everything had been a conspiracy—the daughter she had carefully raised was not her own! She was her sister-in-law's biological daughter! She had thought her kindest sister-in-law was a good person, but she never imagined she was the most vicious one in the Marquis's household. It was she who switched her daughters! It was she who killed her son! It was she who tortured her own daughter to death! The agony of the poison tearing through her intestines made Yi Zhiyu's eyes bloodshot! She had lived her short life like a fool! She was filled with hatred! When she opened her eyes again, Yi Zhiyu found herself back on the day she gave birth to her daughter…