The story of "Traveling Through the Ming Dynasty to Become the Emperor's Grandson Zhu Xiongying Obtains a Technology System" is set in the Ming Dynasty, and the specific time is the era after Zhu Yuanzhang established the Ming Dynasty. This was an era of highly developed feudal society, with a stable centralized power system but complex internal power struggles. The country faces threats from the Mongols in the north, and is also working hard to consolidate border defenses and strengthen maritime power to resist intrusions from Japanese pirates and other external forces.