In the Navy: I Went Undercover and Became an Admiral

After transmigrating to the world of One Piece, Luo Ya becomes a spy planted in the Marines by Rocks!

Having seen through the world, Luo Ya has no intention of becoming a pawn in someone else's hands.

Then,

from the start, he kills Rocks and inherits his powers!

He uses his identity as a Marine for cover, while secretly building his own force, ready to seize power at any moment!

He fights Roger, defeats Shiki, gathers the Nine Red Scabbards, builds a network of loyal followers, and takes the world by storm!

The last era was called Rocks, and this era is called Roger?

No!

This era is called Luo Ya!!

This novel and its characters are purely fictional. Any resemblance is purely coincidental. Do not imitate.