Professor Muller was annihilated and the robot revolt on Foresta controlled. However, Poseidon Nero entrusted the command of Ocean 6 to his son Shura who took advantage of it to embark on a project of global extermination of the machines... The government army and the Pirates of the cosmos are in the footsteps of the Great Demon Ziggy, the source of all the evils. Shiki and his friends are following a special training under the auspices of Xenolith in order to defeat Ziggy when the time comes. A gigantic quantity of Ether occupies Cosmos Aoi announcing an unprecedented galactic battle!