Time Travel Pirates: Start as Luffy's Little Brother!

Momonosuke must die! This book will definitely change Momonosuke's destiny! Ace, stay alive. Travel through pirates and get a check-in system to check in and sign in every day! "Meet" Luffy by chance and become Luffy's little brother! Replace Sauron's position as the first officer and become the captain's first officer! "Hello! Monkey D. Luffy! I have long admired my name! The man who wants to become the Pirate King!" "Nani? Who are you! How do you know that I am the man who wants to become the Pirate King!" "Hahaha, I've known this for a long time!" "I want to become the world's best military advisor!" "Oh? Then, get on my boat!" "Okay!" Let's hit the road! A different kind of pirate. Accompanying you, I relive old dreams This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.