I'm a Great Pirate, You Say I Just Set Sail?

Seventy years too late, the system finally arrives—but legendary pirate Mong isn't complaining. After decades ruling the seas, he's ready to retire when his cheat ability activates, revealing a shocking truth: his entire crew of 'rookies' are actually the future emperors of the ocean. That diligent intern mopping the deck? Rocks D. Xebec. The eager cabin boy? Gol D. Roger. One casual punch later, Mong accidentally defeats the most feared pirate in history and kickstarts a chain reaction that will reshape the world. With a crew of hidden monsters and a system that rewards him for 'training' leg…