Extinction, Pt.4: Mating Season

It's mating season in the white tribe of Naga, where the five fertile white girls of the tribe are expected to make white babies so their lineage can continue forever into the future. But after Kita's white husband is killed by a black warrior of the conquering tribe of Niru, and the killer is imprisoned inside a bone cage, she sneaks over to his prison at midnight to confront him. Mother nature takes over her rational mind as he pulls her in his cage and awakens her senses to real sex for the first time.
One by one the other four white women will join her. When two warriors come to rescue him, they are swept into an orgy. In the course of one night, the five white women will get impregnated, and the tribe's entire white lineage will go extinct.