Storyline

After the three technological revolutions in the Ephemeris era, the transformation of prosthetics extended the human body, and the development of spiritual consciousness realized the integration of human and machine. Permanent residence. Until the day of its fall, the alien race "Levia" swept through like a star tide, and the spirit invaded, swallowed and assimilated. Humans struggled to survive under the minions of predators. The Beth-El system became the ultimate defense to protect the human soul. In order to resist this foreign aggression, human beings have assembled the most powerful elite armed forces, and as a special coordinator of the [Military Strategy Office], you will establish a spiritual connection with the combat team and cooperate to defend human civilization in the ruins and smoke. "May the light guide your way."