[System flow + historical fiction + Machiavellian wits + lighthearted comedy] Qin Wujiu, a modern social animal, died suddenly while working overtime. He traveled to the Tang Dynasty in a parallel world and became the third son of Qin Qiong, Duke of Qin. I wanted to make a living, but I was bound to a weird system - the "defense breaking system". Just by making other people's moods fluctuate, you can earn points and redeem them for modern technology! As a result, the painting style of Chang'an City suddenly changed: In the court, Qin Wujiu boldly said: "Your Majesty, the efficiency of your approval of memorials is too low, why not listen to the minister's suggestions?" Li Shimin: "..." (Break defense + 30 points) In the shopping mall, Qin's sugar shop and paper shop were born, making money every day, and poor students were grateful. A wealthy family said: "If we don't get rid of this son, we will be in great trouble!" After seizing the title, he assisted the inferior prince Li Chengqian to cure his leg disease, smashed the Wei King's conspiracy, and gradually consolidated his position in the East Palace. On the battlefield, gunpowder first showed its power, and the Turkic cavalry were frightened by the news. Li Jing praised: "Qin Qing is really a genius!" During the reform, he promoted the imperial examination, which touched the interests of the family. Changsun Wuji united with the four major families to launch the "Qingjun Side". Qin Wujiu sneered: "Times have changed, my lord." From Chang'an to Asia, from strategy to conquest, let's see how a modern king of words set off a storm in the Tang Dynasty, assisted the wise emperor, created a prosperous age, and finally retired with great success, leaving behind an eternal legend!