After being reborn, I went on a killing spree in the imperial court.

Also known as: Willing to Be Your Subservient: The Rise of a Mad, Vengeful Princess vs. a Prince of an Enemy Country Pretending to Be Disabled. Cao Yuan, the fourth princess of the Great Wei Dynasty, wields the Tiger Tally and manages a large army. Married to Xue Xinian for ten years, she helps him rise from a minor official to the current prime minister. Ultimately, with the new emperor's ascension, Cao Yuan loses the Tiger Tally, her maternal grandfather, guarding the border, is falsely accused of treason, and her maternal clan is exterminated. On her deathbed, she learns that her marriage to Xue Xinian was a scheme orchestrated by her younger sister and Xue Xinian, all for the Tiger Tally in her possession, to destroy everything she has. Heaven has eyes! Cao Yuan returns to her wedding day ten years ago, causing chaos in the Xue family mansion. She'll see if Xue Xinian can still... without her help...