Rebirth of the Legitimate Daughter: the Good-For-Nothing Princess Wants to Change the World

The most powerful mercenary in the 21st century, possessing an ancient book, and a descendant of a family of doctors and poisoners, once traveled through time, he became the useless eldest daughter of the Baili family! The original owner is weak, but I won't give in! Anyone who destroys my foundation will be killed! If you are a scumbag who loves me, stop! If Bai Lian hurts me, beat him! In this life, she was free and unrestrained, and lived her life as a Baili Shengge known to everyone in the Yuan Empire! After killing her enemy, she was about to save the world and live happily in the world, but a certain prince grabbed her sleeve: "Xiao Gege, you stole my heart, do you want me to commit myself to you?"