‘Nazca’

Nearly 500 years ago, a bloody civil war erupts within the Inca Empire. The losing side decides to unleash a mystical weapon of awesome power that almost destroys the entire Earth.

Now in present day Japan, Kyoji Miura discovers that he is the reincarnated soul of an ancient Inca warrior. But Kyoji is not alone. His friend and teacher, Tate, is also a reincarnated Inca soul.

But Tate has decided to unleash this ancient weapon of total destruction once again. Now Kyoji must journey halfway around the world to discover the secret to his own past and fight against his closest friend, to save his and everyone’s future.

Descriptions taken from AniDB.net