On the Wedding Night After Rebirth, the Poison Doctor Princess Usurped the Throne

"In her previous life, she shielded her husband from arrows, and before his body was cold, he made Bai Yueguang his queen. When she was reincarnated and returned to the bridal chamber, she first poured him a glass of poisonous wine, and then dismissed the book and slapped him in the face - in this world, I sit alone!"