50,000 years have passed since Kenbu and his friends defeated the ultimate evil. The world of Alnam needed a long time to recover from the dreadful cataclysm that left its mark on it forever. The events of the past continued to affect the present society, and an ancient source of energy was used by the leader of the Maya Duchy for military purposes, as he began converting it into poisonous gas in at attempt to conquer the world. A fourteen-year-old orphan named Kusumida becomes involved in the grand struggle and must put an end to the Duke's plans before it is too late.