One Piece Begins Signing in to Shampoo Land

I traveled through the world of pirates for 10 years and became a member of the D clan. Fortunately, I awakened to the sign-in system and became the top powerhouse in the age of navigation. Warring States Period; "This guy came out of nowhere. Meeting him was the misfortune of my naval career." Akainu; "This guy has come to the Navy Headquarters again. All members are on level one combat readiness." Whitebeard; "Gla la la, are the little things from the old era already so strong?" Auntie; "I'm going to kill this kid" Kaido; "I never want to mess with this kid again." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.