After Rebirth, Help Her Husband's Mortal Enemy Conquer the World

[Rebirth + Revenge + No CP] [The heroine will not marry anyone in the end] In her previous life, Ling Hanyan devoted everything she had to putting her husband, Qin Huai, the "Mediocre King" on the throne. But she didn't know that her favorite concubine had already had a secret love and affair with Qin Huai. In the end, she was drugged and thrown into the flower house, while her concubine put on her wedding dress and took the position of queen. When she opened her eyes again, she was sixteen years old again. She became a knife hidden in the dark by her husband's nemesis, King Yi. Every chess piece laid by Qin Huai was pulled out by her in advance; every trap set by Ling Huayue was sent back by her.