Mega Man ZX Advent

Grey was a Reploid found in a hidden factory in suspended animation, accidentally awakened during battle. Ashe was a human Hunter, chasing after treasures and bounties. After their encounter with the evil Prometheus, they were rescued and taken to a Hunter Base, where their first mission was to help transport a mysterious Biometal. With another attack on the train occurring during their mission, they attempt to protect it - the Biometal, Model A, fuses with them, allowing them to become a powerf...