The 273rd Book by Chang An Jun Shao

A young man from the modern era transmigrates into the body of Zhu Yuncheng, Prince Yi of the Ming dynasty and younger brother of the Jianwen Emperor, Zhu Yunwen.

Things are at the hellish difficulty level from the start: Yan King Zhu Di's Jingnan Campaign has reached the gates of Nanjing, and the Jinchuan Gate is on the verge of falling.

At this critical moment, the System awakens: Go to the Americas!

From then on, a Ming prince takes the Ming emperor aboard a ship and sails for the American continent...