Ming Dynasty: Reverse Scale, from Proton to Regent

On the day when Zhu Yunxi traveled through time and became Zhu Biao's third son, he saw Zhu Yuanzhang hugging Zhu Yunwen and crying bitterly: "My emperor's eldest grandson!" On the spot, he took out the fragmentary pages of "Huangming Ancestors" that he had brought from Zhu Biao's study, and patted it on Zhu Yuanzhang's case: "Grandpa, your eldest son's edict is here! Zhu Yunwen can't even recite the "Zi Zhi Tong Jian" in full, how can he govern the country?"