Teasing the First Dragon at the Start

In a sudden twist of fate, Bai Su happens to encounter the Empress Dowager, who is traveling incognito, and mistakes her for his fiancée!
Bai Su: "Miss Zhao, this is your father's marriage contract. If you are willing to marry me, you will be my wife from today onwards. I will definitely marry you in a grand and glorious way."
Sister Zheng: "..."
Bai Su: "I heard that she recently gathered a bunch of alchemists and went to Xianyang. She probably won't live for many more years."
Sister Zheng: "...!!!"
Bai Su: "The Great Xia Dynasty is doomed. With the Empress dead, chaos is on the horizon. We must hurry and make money and stockpile grain so that when heroes rise up in the future, we will have someone to rely on."