Having cornered the evil organization Trizon, our hero Kouta and his partner Asuka move to the remote island of Okikeshima with their trusted super robot RaiOhGar to prepare for a fierce battle against Trizon. However, all is not quite as it seems. As Kouta is sent away to fight Trizon’s forces during the day, an insidious plan to corrupt Asuka is being set in motion behind the scenes…