There is nothing left...

Zaika Hakaisha is the last senshi left alive on the all but destroyed planet Earth. As Sailor Void, she is the only hope of protection that the few survivors of the apocalypse brought on by the Gray Lady have left.

With the help of the two senshi Night and Day, Sailor Void hopes to rid the Earth of the Gray Lady. The cause seems impossible, especially as Zaika carries the guilt from a mistake made in the past that is now her deepest secret. But then the long dormant Sailor Earth awakens and the battle really begins...