At eighteen, just starting out as a pirate, you encounter the current maritime overlord of the pirate world, Rocks D. Xebec. Now, all you have to do is find a way to survive in his hands. After crossing over to the pirate world for seventy years, the now-retired great pirate Monga looks at the system that arrived seventy years late and at the intern in front of him, just turned twenty, who hasn't even learned Haki yet and is diligently working on his ship. He伸出 hand. Slap! "Captain, what are you doing?!" "Nothing, just wanted to hit you." 【Ding~ Congratulations on defeating the maritime overlord, Rocks D. Xebec!】...... This book is also known as "In the Pirate World, Growing Younger," "How Can a Crew Full of Royal Levels Lose?" "Become My Son, Roger!" Novel keywords: I'm a great pirate, you say I just set sail? No pop-ups, I'm a great pirate, you say I just set sail? Full text download, I'm a great pirate, you say I just set sail? Latest chapter reading.