Take place after God Eater 2 Rage Burst; in the near future, some of the survived Aragami evolved into new type of Aragami called Chimatsuri Aragami that the God Eaters can't compares to the Chimatsuri Aragami while many Aragami are still existed. The new technology of God Arcs will be counter the Chimatsuri Aragami called Blood God Arcs which allows to transform between Weapon Mode or Aragami Mode. The future of the humanity is your hand.