Seize Power, Marry the Crown Prince / Thorns Beneath the Petticoat

In her previous life, Luo Ning took a blade for the Empress Dowager, securing wealth and status for her entire family. But when she returned home to recuperate, she found her cousin had taken her place. Her whole family doted on her cousin while belittling and oppressing Luo Ning, ultimately driving her to her death. Reborn, Luo Ning vowed to reclaim everything that was rightfully hers. Using memories from her past life, she first won her grandmother over to her side, then methodically dealt with everyone else. In the process, she uncovered a hidden secret between her mother and her cousin. Leveraging her advantages, she negotiated terms with Prince Yong, Xiao Huaifeng, offering herself as a bargaining chip to secure a marriage decree from the emperor. One by one, she exacted revenge on those who had wronged her. In the end, she discovered that her very rebirth had been a boon begged for by Xiao Huaifeng. When all was settled, she stayed with him, growing old together, their hair turning white side by side.