College students Junko and Chiharu find themselves at the party hosted by the president of the party club, Shinozaki. Sensing the danger in the atmosphere, Chiharu leaves, but Junko who stays is raped by the men there. Wanting to help Junko, who is left physically and emotionally traumatised to recover, Chiharu hires an organization that carries out revenge on behalf of their employers. Misaki and Aya, having received the request, approach Shinozaki, a battle-hardened sex machine in a seductive mission. Now it's time for a women's revenge!