-Long ago, the Demon King was sealed away thanks to the special magic known as Guru Guru. 300 years later, he has returned, and humanity is waiting for a hero who will rise up to oppose him. Unfortunately for them, all they'll get instead are the lazy Nike and the naive Kukuri, who set out on an adventure to save the world.

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

After all their struggles, Nike, Kukuri, and their friends have arrived in the Demon King's territory: the continent of Zan. But before they can confront the master of evil, old rivals will stand in their way.

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?