In 2047, an unknown, alien life-form descends upon the Earth, destroying all the major cities in one fell swoop. The survivors unite and build a Diffusor to stop the Februus, the invaders the military would later codename the FOS, and a temporary peace is achieved. Jump forward to 2053, the present. PLANZET: The final plan, Plan Zed, to retake Planet Earth. A last, desperate counterattack against the enemy. Hiroshi Akishima, soldier in the Planetary Defense Forces Alliance, would like nothing...