(The main character is a pirate, a great swordsman, a single female lead, not a harem, and the events before this are unrelated to the main character's group.)

He survived countless extreme battles, slaying all enemies who stood in his way.

His sword-drawing technique was as fast as lightning, shaking the world.

He is the brother Nico Robin tearfully recognized, the nightmare of the Celestial Dragons, the great enemy of the Navy, and a walking, single Yonko.

He is a man who walked out of hell alone from the very beginning of the Great Pirate Era.

Long, flowing hair, black robes, and a free-spirited demeanor.

Everything they do is aimed at overthrowing the tyranny and distorted rule of the world government.

Arthas: "Don't listen to their nonsense. I am a righteous person. Although I have slaughtered many lives, it was all for the benefit of the sea and for the benefit of you."

...

The ratings have just been released, don't be scared away.

[Naval Fiction] [A Monster Within the System] [The Man Who Shaped the "Killing" Zephyr] [The Man Who Rewrote the Definition of "Justice"] [The True Teacher of the Three Admirals] [The Revolutionary Army Mentor] [The Man the World Government Could Not Judge] [The Naval Outlaw] [The End of the Old Era] [The Creator of the New Era]

In the era of Rocks, on the sky island of Biruka above the sea of ​​clouds, a boy named Rock, who was taken in as an infant and has memories of his past life, awakens superhuman perception during his ten years of growth. His Observation Haki is as sharp as the wind and as vast as thunder.

Their peaceful life was quietly changed by a strange "thunder" coming from the depths of the sea of ​​clouds.

In search of answers and to take control of his own future, Rock leaves his familiar village and heads toward the unknown source of thunder.

This journey will slowly unfold from the sea of ​​clouds of the old era.

This is a slow-burning, lengthy story, but one destined to ignite the entire world—

(This is a naval-themed story, not a shonen pirate adventure or a Straw Hat-style fairy tale. If you don't like this style, please stop here.)

Ye Cheng, a barber, traveled to the world of One Piece and obtained the superhuman Fa-Fa-No-fruit.

I wanted to stay in this world, so I tried every possible way to join the navy and became a navy. But when I was helping Tina trim her hair, the system awakened...

So, five years later, he faked his own death and escaped from the Navy. From then on, the Navy lost a teacher named Tony...

Sanji: Why does it take only 30 seconds to trim my hair, but it takes half a day for Nami and the others?

"Cutting your hair adds two points of stamina, and cutting their hair adds dozens of points. Do you think I'm stupid?"

Luffy: Where did Zang Ai Ye Cheng go again?

Zoro: Let’s go to the Kingdom of Women and look for it…

…

This book is about a ship, cheerful and funny, please give me lots of comments, this is my first time writing fan fiction, I will try my best to update

The son of Shimotsuki Ushimaru who traveled to Wano Country, trained for 18 years, and awakened the most useless devil fruit "Silence Fruit".

He participated in the struggle of the Straw Hat Pirates in Alabasta and was invited by Luffy to become the vice-captain.

As Zoro's uncle, Shikotsuki Shikamaru began to teach Zoro swordsmanship.

Follow the adventure, finally defeat Kaido and retake Wano Country.

In the year 1494 of the Sea Calendar, Orochi, along with Higurashi and Higurashi, secretly murdered Sukiyaki, plotting to seize the Shogun's position. They even allied with Kaido of the Beasts, plunging the entire Wano Country into panic. "Wano Country? I don't care for it, and it's not your place to lay a finger on it. Kaido, Orochi, offer me your heads!" A man named Kozuki Seimei led the Shadow Squad back from the depths of hell, reclaiming control of Wano Country. He slew Orochi, crushed the Beasts Pirates, and pursued Kaido all the way to the West Blue… leading his nine Shadow Shoguns and eight Demons, he rose from Wano Country to rule the entire world.

Avoid these terms in advance: memes, high otaku content, cosplay, typical fanfiction.

The protagonist is a transmigrator from Earth who was an ordinary person in his previous life.

Without any external force, the protagonist will only eat one Rumble-Rumble Fruit.

Chapter 3: Get the Thunderclap; Chapter 9: Set Sail.

There are only two original characters with storylines who appeared in the first three chapters; no other original characters will appear after that.

[The protagonist is an adult when the story officially begins.]

Thirty-eight years ago, the God Valley Incident was brought to a close by the World Government, marking the end of the Rocks Pirates. However, the Celestial Dragons, high and mighty, were unaware that an even more terrifying monster was about to unleash his power. Soon, his enemies realized that beheading, piercing his body, even reducing him to ashes, could not truly kill him. Only when blood flooded the empty throne did they understand who their opponent truly was. A man who had developed the Bat-Bat Fruit—Mythical Zoan type, Vampire form—to an unprecedented level, a man who had mastered all three types of Haki. His name was Nereus, Lord of the Deep Sea, Undying King, Liberator… His name has never ceased to resound on the seas… (Completed works: "Arceus's Pirate Journey" (12,000 average reads), "My Piltover Technology is Far Ahead" (8,000 average reads). Interested readers…)

Travel through the world of pirates and start with a human fruit.

We ordinary people are so happy!

Navy reporter: "Excuse me, Mr. Ian, if a normal human eats the Animal-type Human-Human Fruit, is he still a human?"

Ian: "It's a human, but not a human, like a human."

Xi Yan, a half-Uchiha and half-Senju, shone during the Second Shinobi World War. While on a mission to the Land of Water, he accidentally traveled to the pirate world and encountered a sea train bound for Judicial Island! Aboard this speeding train, Xi Yan encountered the boy who carried his destiny. Luffy: Are you a ninja? Xi Yan: Yes. Luffy: Be my partner! Xi Yan: Okay... Since we're here, Xi Yan, invited by Luffy, chose to join the Straw Hat Pirates and adventure with them. He used his power to help his friends rescue Robin and save the ship spirit, Merry! Merry: Xi Yan, what's that? Glancing at Moriah, Xi Yan declared that it was a waste of spirit, a waste who only knew how to rely on external things. ...During the Battle of Marineford, the massive Susanoo wreaked havoc on Marine Headquarters...

Transmigrating into the body of a prince of a fallen kingdom, Lin Ran starts with the Mythical Beast type, Behemoth form, and tears apart a hundred-meter-long sea king with his bare hands!

He can plunder the fruits of all realms, allowing each of his crew members to possess two fruits!

[Everyone gets two Devil Fruits! The sea's nightmare!]

Lin Ran: [Behemoth Fruit + Rumble-Rumble Fruit]! He transformed into a thunderous behemoth, unleashing a single punch that shattered Enel's divine throne and his very beliefs on Skypiea! "Your lightning dares to call it divine punishment?"

Crew Member A: [Mammoth Fruit + Tremor-Tremor Fruit]! He stomped towards Marineford, and Sengoku slammed his fist on the table, roaring, "Stop him! He's going to sink Marine Headquarters!"

Crew Member B: [Wax-Wax Fruit + Blast-Blast Fruit]! Art is Patrick Star! A clay dragon soars into the air, comparable to an ancient weapon. Kizaru covers his face and laments, "Are the explosion radii of supernovas these days so unreasonable?"

Crew Member C: [Flower-Flower Fruit + Cut-Cut Fruit]! Thousands of arms wielding famous swords, one man forming an army!

Crew Member D: [Love-Love Fruit + Nine-Tailed Fox Fruit]! During the Marineford War, she disguised herself as a fallen Marine hero and shouted at Akainu, "Sakazuki, are you going to attack me?"

Blackbeard: "Zehahaha! He can steal Devil Fruits? And eat two?! Wait... why can't my Dark-Dark Fruit absorb his power?!"

Sengoku: "One piece of intelligence, double the despair! They're doing the work of two people, and our military budget is completely insufficient to fight them!"

Kaido: "Ooh ho ho ho! Two Devil Fruits? Come be my son! ...What? He's got his eye on my Fish-Fish Fruit?"