In the distant future, the Earth is suddenly invaded by aliens and weapons of their creation, mechanical life forms. Humanity conceives android soldiers, and an armed resistance is formed. Since then, the conflict continues. In 11.941 AD, the YoRha group, composed of new types of decisive weapons with the appearance of female androids, is formed and sent to the front in order to get out of this impasse. What future awaits these automatic infantry dolls who fight to win back the Earth?