A 21st-century office worker died suddenly of a heart attack and transmigrated to the Hongwu era as Zhu Ying, the emperor’s eldest grandson. From the start, he was caught in a life-or-death crisis. After binding himself to a System, he used his acting skills to get through danger and his ingenuity to avert disaster. He introduced high-yield crops, resolved the threat posed by the vassal princes, and promoted overseas trade, helping Zhu Biao usher in a golden age. In the end, he left behind a legend for the ages, charting an office worker’s rise to power as the emperor’s eldest grandson.