Slave Stone

-Story-
A magic stone exists that can force women to do the bidding of men.
As a result, the organization that produces these stones has taken over the world in short order

Maki and her little sister Rika must infiltrate the organization in order to save women
from all over the planet.

Assisted by her comrades in her organization \”Maiden Freedom Frontline\”, Aoi and \”Professor\”,
Maki advances towards the heart of the stone production facility…