Fafner: Heaven and Earth Soukyuu no Fafner: Dead Aggressor - Heaven and Earth English Subbed

A hiveminded alien force reengages war with Tatsumiya Island years after Kazuki led a team of mech pilots to destroy them. In an explosive battle over the fate of humankind, the young warriors risk everything to save their only home from assimilation.

(Source: Crunchyroll)