In an alternate 21st century, Japan's scientists has perfected the art of biotechnology and robotics, its benefits extending the lifespans of all humans. However, the United Nations deemed the advanced technology a dangerous threat and started strict surveillance on Japan. The government of Japan refused to abide by UN's demands to halt research, in the year 2067 left the UN and isolated itself visually and communically. Ten years later, an American special forces unit by the name of SWORD, led by its female commander named Vexille, are sent to uncover the current status of the isolated Japan, after the country begins its plan to move. The shocking secrets they find will shock the rest of the world.