I Refuse to Be the Foil: The Real Heiress Takes Everyone Down

[Period setting, following the army, face-slapping, punishing scoundrels, true and fake heiresses, devoted husband, daily life] Wang Yaoyao, a survivor of the apocalypse, is thrown into 1967 and becomes the real daughter who was switched at birth. Her whole family is sent away for reeducation, leaving the poor girl alone to stay with her adoptive parents. They treat her as a tool to gain favors and try to force her to marry a fool! She slaps the fake heiress across the face, beats up her two scumbag brothers, clears out everything in the house, then turns around and reports her adoptive family. After that, she heads to the countryside to find her birth parents, planning to keep her head down until they're cleared of wrongdoing, then bring the whole family back to the city to make a fortune. But by a twist of fate, she ends up marrying an officer? In her previous life, Cheng Baozhu, the fake heiress, had parents who were reported, and her family was sent away for reeducation. They gave her the only chance to stay in the city. Unwilling to live a hard life, she schemed to marry an officer from an excellent family. But after the wedding, she was left lonely and neglected, bullied by a cruel mother-in-law, and mocked by everyone in the compound. Then disaster struck her birth family. Her parents died in a cowshed, her second elder sister hanged herself, and her grandfather and eldest brother died of illness at the farm. Only after she died did she learn that she was the child who had been switched at birth! Reborn, she doesn't want to be dragged down by her adoptive parents when they're sent away for reeducation. She corrects her mistakes in time and takes back the life that should have been hers. Along the way, she plans to see how miserably the real heiress spends the rest of her life. She waits and waits. The real heiress is sent to the countryside! She waits and waits. The real heiress gets married! And to the same well-connected officer from her previous life. She isn't left lonely and neglected at all. Instead, he's devoted to her, and her mother-in-law treats her like her own daughter. She waits and waits. Her whole family is cleared of wrongdoing! Why? Did being reborn really change nothing for her?