Planzet
In the year 2047, an alien lifeform codenamed FOS invades Earth and smashes through the world's major cities in one wave. The earth unites to fight back and puts up a Diffuser in place to stop further invasions 3 years after. Now in 2053, a plan is made for a last counterattack that must disable the Diffuser for an offensive...and Akeshima Taishi, who lost his father to the FOS when they first invaded, may finally get his revenge.