After traveling through time, the peerless killer became the useless second daughter of the prime minister's mansion, and was divorced by her fiancé on the wedding day. She was given another marriage but became the princess of the useless King Gu? People laughed at her, saying that a useless woman and a useless man are a good match! But they didn't know that one useless person abused a scumbag, and two useless people would be together!