The fight for Okinawa has finally come to an end, with murderous magical girl Chisato taken into custody. But it's not all good news: the special gear that General Tabira brought from the spirit world is now in the hands of the enemy. Asuka and the rest of M Squad won't get long to celebrate their victory, either. A new threat emerges in the war-torn reaches of eastern Ukraine, and the Babel Brigade is pulling the strings!