I Am the Richest Man in Dayong

Gu Yunyu had been planning for a long time, and finally he was able to have a candlelight dinner with his idol male model. Unexpectedly, in the blink of an eye, she would travel through time and become the unfavored seventh princess of Dayong, lying on the crematorium and almost being burned alive. After waking up, she was bound to a system. System: "Congratulations on successfully binding the Cathay Civilian Security System. Please actively promote the progress of the task, otherwise it will be erased." Gu Yunyu was silent for a long time and asked: "Can I pay the Internet fee to access the Internet?" System: "... Yes." Gu Yunyu immediately stayed up late at night to study, copying techniques. As a result, Dayong's farming tools were renovated, and grain output tripled; the number of coastal salt farms increased dramatically, and the salt was as fine as snow; looms were greatly improved, and the textile industry developed rapidly. The national happiness index has skyrocketed, and every household has enough food and clothing. He just accidentally became the richest man in Dayong. —— Jiang Yusheng, the eldest son of Duke Wei, was reborn after bearing the blood feud that destroyed his country and his family, only to find that the trajectory of his fate began to deviate in an uncontrollable direction. The family is not destroyed, the country is not broken. It also comes with a little princess who loves to flirt with others. "Jiang Yusheng, what birthday gift have you prepared for me this year?" "Jiang Yusheng, what kind of girl do you like?" "Jiang Yusheng, do you like me?" Jiang Yusheng glanced at Gu Yunyu, who had mischief written all over his face, picked it up in his arms and took a sip, and the fish turned red in an instant. "That's all." The white-cut black heroine vs. The more sinister male protagonist