What are the secrets of Guru Guru? Even Kukuri, the last known inheritor of the magic techniques, doesn't know for sure. It's just then when a mysterious woman appears who may have some answers.

Kukuri and her party arrive in mysterious ruins with a mysterious connection to her past, and before heading to Endless Tower.

It's all come down to this moment... the hero Nike must defend companion, the Guru Guru user Kukuri, as she attempts to seal away Demon King Giri. With the fate of the world in the balance, can they overcome the overwhelming dark powers of an entity that threatens to overwrite all of reality? And even if they do win, what will become of them?