Starting with Full Level Understanding, the School Beauty Kneels Down and Begs Not to Break Off the Engagement

School belle Lin Qingxue threw me a marriage certificate in front of everyone: "You are not worthy!" System awakening, sign in and reach full level of understanding. When she used her family's secret technique, I blurted out: "This sword technique has three fatal flaws." The whole audience burst into laughter: "You dare to point out a loser to the school beauty?" It wasn't until I pierced the front inch of her throat with my sword that she trembled and knelt down: "Don't break off the engagement... Please!"