Bai Jiaojiao of a medical family's life hangs by a thread. To stay alive, she binds with a rebirth system, completing one hundred tasks to be reborn. This is the last time, and she must help the system stop the major villain Xiao Jiuling from turning dark. As a result, she transmigrates into the major villain's newlywed Princess Consort. Bai Jiaojiao knocks out with a blow the scumbag man who wants to elope with her, and seeks out the yandere major villain for cute cuddles. The major villain Xiao Jiuling slaughtered all his enemies, and in a blink of an eye discovers he actually reborn back to his wedding night. He waits on the path the Princess Consort must take to escape her wedding, ready to take her life. But she is like a person changed, throwing herself into his arms. Xiao Jiuling, I thought I was reborn to make up for regrets, until I met her giving me love and returning fairness to me.