The Vagans' sleeper agents can be found all over the world and they launch a sudden surprise attack to kick-start the war on Earth. Flit springs into action by tasking Kio with handling the brand new Gundam AGE-3 to defend against the invasion. Following in the footsteps of his father and grandfather, Kio teams up with the mobile suit squad stationed on the Diva to face off against the Vagans.