Ming Dynasty: Machiavellian, the Emperor's Grandson Was Taught Evil by Lao Zhu

Zhu Zheng traveled through time and became an abandoned baby in the early Ming Dynasty, who was picked up by Zhu Yuanzhang and brought back to the palace. I originally wanted to be Huo Qubing, but was taught by Lao Zhu to become a sinister emperor. When Zhu Biao passed away and Zhu Yunwen and Zhu Di competed for the throne, Zhu Yuanzhang decided: "The throne? Of course it will be given to the political son who is most like us!" - This grandson who was raised by the emperor's mind eventually became the strongest successor to Hongwu!