Synopsis

Investigating Yamakawa Dam, Mechadon discovered Yamata no Orochi. Meanwhile, Hiroshi prepared to confront General Flora, who had been battling the robot beast Doran, employing the newly developed marine weaponry. Simultaneously, Mimashi revealed the truth of Himika's demise to Ikima and Amasso. Capitalizing on Flora’s absence, the Haniwa army revolted against the Dragon Demon Emperor, compelling him to abdicate his throne.