In the future, after the attacks of dark forces. The Earth has suffered enormous damage. The last line of defense had fallen. Those attacks caused the environment on earth to change no longer suitable for human habitation.
A project to migrate to other habitable planets is underway. Legions are fully equipped with resources and equipment to rebuild new lives.
Wake up on a spaceship in the middle of a new planet with suitable living conditions. Your mission is to rebuild your new life. One day, you realize that legions of bizarre monsters appear one after another, hunting and destroying all living things in their route.