Twelve years ago, Leo and his companions successfully thwarted Yalqido's plans, and the world seemed to have returned to peace — yet conflict between humans and the demon clan never truly ceased. In the meantime, nations across the world developed a new energy source known as "magic stones." Under the orders of General Jel, Leo travels to the Lonbaya Empire to investigate, only to be arrested right before the royal castle. Days later, the Lonbaya Empire launches a war of aggression against its neighbors. At that very moment, crystal shards calling themselves the "Holy Light Crystal" and the "Dark Crystal" appear before Leo, declaring that this is the beginning of a war of vengeance by Krelrosia — the guardian deity of the demon clan. Could this truly be the "twelve years later" that the five great heavenly gods once spoke of...?
