In 20XX, DM Corporation is deeply involved in various criminal activities, including illegal enhancement surgeries that turn humans into monsters, selling bio-weapons, and hosting deadly combat shows. Jane=Makimura, a secret agent from a foreign nation, is ordered to infiltrate the organization. Possessing a steel-like body and incredible strength, she is forced during her undercover mission to participate in a killing show, facing off directly against a monster. Overwhelmed by the monster's intense pheromones, she finds herself unable to use her full power. Meanwhile, Michael Sakashiro, the CEO of DM Corporation, begins targeting her body for his own desires. This story depicts the harsh trials she endures and her desperate struggle—a BAD END tale from the Victory Woman series.