In an alternate reality, the Cold War never ended and has continued on for 140 years. As a result, the world we knew was divided into two factions: the West Block, and the East Block. As the War proceeds, the tension between the two factions, as well as the amount of nuclear weapons they have, rise higher and higher. Mylene Hoffman/ is a beautiful female cyborg who is a spy for the West Block. With her highly developed fitness skills with a cyborg body surpassing an average woman, Mylene takes action in various missions issued by her superiors.