"Marriage Mistake: Kidnapping a Thief to Get Married" was an ancient romance novel written by Jian Jia. The female protagonist was a bad person, a thief who had been in the martial world for ten years. She was a greedy ghost. In order to survive and make money, she made a contract with the male protagonist. In the end, she found that this contract had become a lifelong shackle. I hope you like my recommendation. Muah ~