An era in which both nations and order are in chaos. Countless national cities with city numbers scattered across the earth swirling with photochemical smog. One of them, city number 96, suddenly appeared a floating castle led by the evil organization Dark Mother. In the darkness filled with steam, these dark mother monsters start their secret maneuvers targeting girls... However, at that time, the figure of an angel with bare skin against the moonlight emerged. That silhouette is the goddess of justice who protects the girls. The people of the City call her Angel Blade!