In 2047, a mysterious extraterrestrial entity crashed onto Earth, annihilating every major metropolis in a single strike. The remaining humans banded together and erected a Diffusor to repel the Februas—later dubbed by forces as FOS—and secured a fragile ceasefire. Fast forward to 2053, the current era. PLANZET: Plan Zed, Earth"s decisive reclamation scheme. A final, frantic assault on the invaders. Hiroshi Akishima, a member of the Planetary Defense Forces Alliance, longs for vengeance against the aliens who killed his father six years prior. Yet this bold campaign demands unleashing the Diffusor, exposing the planet to peril again. Will mankind reclaim its place among the stars or surrender everything in this ultimate wager?