Enter Naruto Uzumaki and the R-Gun.

In a world where wars are fought with mobile weapons, Naruto Uzumaki, an immortal ninja, leads the crew of his ship, the Kurogane into battle. They face a new battle where prejudice against coordinators and naturales is rampant. In this era, robots have taken on the role of soldiers.
How will this exciting saga unfold? find out in this exciting crossover.