(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."

...

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.

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?"

(Tianlongren) (Multiple female protagonists) (Half behind the scenes) (Relax) (Daily) (Tucao)

Being chosen by the Knights of God will grant you immortality!

Blake (smirking): "Who are you trying to fool? Satan is already ashes!"

Improving your strength can lead to a higher status!

Blake (playing with his fingers in boredom): "I think my current status is pretty high. There's no need to raise it any further."

Life and death battles increase your domineering strength!

Blake (looking up in surprise): "What if he really dies?"

The people at the bottom of this world are struggling painfully. Please work hard to change the world!

Blake (with a puzzled look on his face): "What does their suffering have to do with me? What will I do if they change the world?"

Yim is too strong to be defeated!

Black (reassured): "But there's still Luffy. I'll fight him after he's done!"

Why do you dare to participate in the battle between gods and demons?

Blake (crooked mouth): "I! Have! Hang!"

This is a Gou Dao Tianlong person, get out!

Blake (struggling): "I don't accept it! Why can't the Celestial Dragons just hide?"

[Three-color domineering + mythical beast species + easy daily life + not a saint + no magic change]

Humans traveled to the world of pirates, and Toraci gained the abilities of the Beast Walker Udyr.

He can collect animals from animal-type ability users as beast spirits.

After obtaining the beast spirit Great Mouth True God, he gained the power to control ice...

After gaining the Great Enlightenment of the Beast Spirit, he became extremely powerful...

Gaining the beast spirit Yamata no Orochi gave him 8 times the health of an ordinary person...

…

After obtaining the Azure Dragon Beast Spirit, his Dragon God power reached its peak, rivaling Kaido's strength...

Kill Momoko, grab Hiyori, fight Nika, and reign over Wano Country!

Beat up the deserter king and crush the navy's dream with three punches.

Rage against the Marine Headquarters and annihilate Mary Geoise.

Make the Lunalia clan great again!

…

One Piece? Great Treasure? Or Change the World?

No, Hu Ci is not interested in any of these.

He just wanted to live peacefully and comfortably until the end of his life...

PS: Not invincible at the beginning, early training is slow

There are no self-created devil fruits. All mythical beasts are from the original works, games or official activities. There is no magic modification.

(Group portrait, behind the scenes, summoning, pirates)

He traveled through the world of One Piece and awakened the divine skill of manifesting fantasy characters and items.

Kamen Rider Kuuga storms Enies Lobby alone!

Digimon Agumon encounters a young Princess Vivi!

Spirit Detective Yusuke Urameshi (replaced by Raizen) transforms into a demon and confronts Aokiji head-on.

The omniscient and omnipotent Quincy King has descended upon Skypiea!

Multiple sun gods appeared in this world

Nico Robin, who became a Quincy, and Usopp, who gained Nen abilities, had their fates rewritten.

When fantastical characters from all over the world descend upon the world of One Piece, what kind of storm will this sea face?