The Great Ninja Training System

In the turbulent Great Pirate Era, Among the countless pirates vying for glory, a new force emerges—Joestar J Rodney, a transmigrator armed with the Ninja Training System, blending shinobi techniques with pirate hunting.
With kunai in hand and a mastery of jutsu, Rodney hunts the most notorious criminals on the high seas, determined to earn mission points and grow stronger.
But in a world where the Navy struggles to maintain order, and the New World teems with ruthless villains, can Rodney’s ninja skills help him rise above the chaos?