
They were both assigned to the then SOF so that the military could use Eureka and the Nirvash for their benefit. After Adroc's disappearance in the New Era Summer of Love, the then Lieutenant-Colonel Dewey Novak had Eureka placed under the care of his younger brother, Holland, who trained her to be an obedient child soldier.


His influence on Eureka was that of a father. Soon afterwards, she met Adroc Thurston, who taught her how to walk, speak and interact with others. It was found out that while the type ZERO would not work well with any human at the controls, it responded well to Eureka being the pilot.

About fourteen years before the anime series began, Eureka was found in a mine along with the Nirvash type ZERO's archetype and she was immediately brought to Tresor Laboratories for study.
