In a futuristic Japan plagued by demons and corruption, the Taimanin are elite shadow agents tasked with fighting the darkness. During a dangerous mission, the agent Yukikaze is forced to pose as a slave prostitute to infiltrate the inner circle of a sadistic VIP named Yazaki. Despite her mental resistance, Yukikaze is subjected to cruel conditioning and biological modifications that twist her hatred into pleasure, forcing her to succumb to Yazaki's desires while her comrades watch from the shadows.