Above the earth are deserts filled with yellow sand and lifeless mountains. There are magnificent steel castles and spaceships arriving from the star field. The poor can only make a living on the surface, while the rich enjoy themselves underground and in the stars. The earth seems to be counting down. However, at the same time, Mars has ignited new vitality, oxygen, atmosphere, lakes and rivers... These vitalities have sprung up like mushrooms after a rain. Just when humans thought they had found a new home, they did not know that danger was quietly approaching.