In the future world, technology once promised infinite prosperity to mankind, but it has brought about deeper divisions. AI has replaced most occupations, and countless people have fallen into the shadow of unemployment; out-of-control environmental pollution and strong solar radiation have swept the world, causing frequent mutation disasters. In order to survive, humans have to rely on protective mechas - they are not only fortresses to isolate radiation, but also the only weapons against external crises. The creation mechas save the world.
