Your Majesty, Please Come Back After the Poison of Rebirth.

The heroine is reborn for revenge, taking every step of the way, beating scum in the face, and developing her career (medical skills, poisoning skills, business). She and the hero go from mutual testing and misunderstandings to working hand in hand and falling in love with each other. They jointly fight against the conspiracy of the court, and finally reach the pinnacle of power, harvesting a perfect love and life.