A new menace, the Mechanizing Empire, has arisen. After mechanizing most of the solar system, they made a base for themselves on the Moon, sending monsters down to Earth in order to mechanize it. From 64 million years ago until now, the warrior of light, Eldran has been fighting against the Mechanizing Empire. But to save the present day, Eldran gives the power of the transforming robot Go-Saurer to Class 6-2 of Harukaze School.
