Emperor Hanzei (453 AD - 456 AD)

During his reign, Japanese historical records were relatively rare, and records were relatively brief.

Emperor Ingyo (456 AD - 479 AD)

Emperor Ingyo showed strong military ambition and strategic vision in terms of foreign expansion. Through strengthening the construction of the army and the military equipment system, he promoted the development of Japan's early military strength, laying a solid foundation for the subsequent foreign policies of the emperors.