Aboard a Pirate Ship: I Joined the Marines with the Main Cast

After transmigrating to the Age of the Great Voyage, Luo He became Garp's nephew, Monkey D. Luo He.

Luo He gained abilities through the Change System, changing the direction of the story.

With those abilities,

Ace, Sabo, and Luffy were all told by Luo He to become Marines from a young age.

Gradually, the plot became more and more ridiculous.

By the time Luo He became Fleet Admiral, the Marines were stronger than ever before.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.