Xenosaga: The Animation - S01

The year is T.C. 4767. Four thousand years after leaving their homeworld, Earth, humanity struggles to survive against the relentless alien force known as the Gnosis. In a desperate effort to fight back, Vector engineer Shion Uzuki creates KOS-MOS, a highly advanced android designed to combat the threat. But when the Gnosis destroy their ship, Shion and her allies are caught in a conflict where friend and foe are no longer easy to distinguish.