The Time-Traveling Princess Wants to Defy Heaven

She was the most powerful agent, but she was hunted down because of a black ring. When she opened her eyes again, she found that she had turned into a country girl. He is the extremely noble prince of Beiyao Kingdom, but he is hiding in the countryside for an unknown reason. When he meets the girl whose temperament changes drastically, he can't help but pay attention to her, and sinks into her sinking step by step. The mysterious black ring, the unclear family mission, the all-powerful agent vows to shine in ancient times