The Concubine Who Was Reborn in Nirvana and Conquered the World

In her previous life, she was a cold-blooded killer, but she unexpectedly died in the hands of the person she loved most. He also thought about gouging out his eyes and heart, thinking that this would be his final outcome. But I never imagined that I would be transported back in time to an unloved idiot daughter in the general's palace, and watch the loser be reborn against the odds. But who is that mysterious man? Why do you come here to tease yourself from time to time...