Top Zaibatsu Executives Train Sex Slaves in Secret Mansion Contest

A wealthy zaibatsu executive indulges in his eccentric hobby, training women as sex slaves in his secluded mansion. He challenges a like-minded acquaintance to a competition, each vying to create the ultimate sexual servant. Meanwhile, an amnesiac young woman arrives, unknowingly stepping into their twisted game, her fate now at the mercy of their dark desires.