Kikou Kai Galient OVA

After Border Kingdom falls, Prince Jordy grows up in exile and seeks the iron giant Galient to oppose Mardoul and rescue his mother. The struggle for Arst proves to be only part of an ambition reaching far into space.

In another fate for Arst, Jordy and Hai are Mardoul’s adopted sons. Ominous visions lead Hai toward a forbidden machine, threatening to turn the kingdom’s triumph into a catastrophe answered by the legendary giant.