I'm a big pirate, and you said I just went out to sea?

[At the age of eighteen, you have just made your debut as a pirate, and you have met the current overlord of the sea in the pirate world, Rocks D. Jibek. Now, what you have to do is to find a way to survive in his hands.] After traveling to the pirate world for seventy years, the great pirate Monger, who is ready to retire, looks at his system that is seventy years late. And the intern in front of him, who has just turned twenty and has not even learned Haki, is working diligently on his ship. Reach out. Pah! "Captain, what are you doing!?" "Nothing, I just want to beat you up." [Ding~, congratulations on defeating the overlord of the sea, Rocks D. Jibek!] ... This book is also known as - "People in Pirates, the Younger They Live" " How Can You Lose When All the Crew Are Emperors?" "Be My Son, Roger!"