[No system + Mythical beasts, vampire fruit + Great swordsman + Three colors of domineering + N heroines + Daily life + lsp]

As a time traveler, Carl D. Sephiroth obtained the vampire fruit at the wrong time and in the wrong place...

He just wants to live a comfortable and wonderful life in this chaotic and disordered world of One Piece.

position?

Justice and evil?

The winner is the king and the loser is the bandit!

Justice and evil, that is something that only the victors are qualified to decide...

Of course, as a hero, he doesn't mind being the winner!

Pirate Queen Boa Hancock: "Sephiroth, as long as you want, I can do anything for you!"

Kozuki Hiyori: "For the sake of our master's cause, Brother Momonosuke, please die!"

Admiral Sengoku: "I have never been able to figure out whether Sephiroth is a righteous man or not..."

The leader of the revolutionary army, Drago: "Comrade, can you help me revise the revolutionary program..."

The commander-in-chief of the World Government's armed forces, Sora Cyborg: "This guy Sephiroth... is such a headache!"

Transmigrating to One Piece and activating the Red Alert Omnipotent System! The cunning and ruthless Emperor Liu Deng is decisive and ruthless, sweeping across the chaotic world with the power of Red Alert!

Surrounded by goddesses from the original work and original beauties, each excels in navigation, combat, scientific research, and medicine, with maxed-out bonds that boost combat power! Take on the Navy, slay the Four Emperors, and destroy the World Government; with technological superiority, crush all enemies!

With beautiful women by his left and a powerful army paving the way with his right, he rose from an isolated island to become the world's emperor. This is the legendary carnival of the Red Alert Empire!

Qin Tian traveled to the pirate world and obtained the Possession Teacher System, allowing him to possess the opposite sex and share their bodies. He possessed eight-year-old Nico Robin and raised a Thousand-Armed Ice Queen, who protected O'Hara! He possessed twelve-year-old Hancock and raised a Flame Dragon Princess, wielding dragon-slaying magic! He possessed ten-year-old Nami and raised a Weather Goddess, who presided over the Brilliant Sky Thunder Prison! ... After Qin Tian had trained ten qualified apprentices, he was finally able to reshape his physical body. Standing at the entrance to the Grand Line, Qin Tian declared to the world: "I will destroy Marijoa and reshape this world!" Thousand-Armed Ice Queen Robin: "I will freeze the entire world for you, Master!" Flame Dragon Princess Hancock: "I will burn everything for you, Master!" Weather Goddess Nami: "I will thunder with my might for you, Master!" Ocean Ruler Shirahoshi: "I will flood the Red Earth Continent for you, Master!" ... (This story and characters are purely fictional. Any similarities are purely coincidental. Please do not imitate.)

Liu Ziyang transmigrates into the world of One Piece, where he is orphaned and frail.

Fortunately, he obtained the "Captain System," which allows him to receive system rewards as long as he recruits crew members!

However, the crew members must be approved by the system.

but……

Tifa, Mai Shiranui, Chun-Li, Ada Wong—what the heck?

How come I didn't know you existed in the world of One Piece?

[Recruiting Crew Member Tifa]

[Reward: Conqueror's Haki]

[Conqueror's Haki, the qualification to become a "King"!]

[Recruiting crew member Mai Shiranui]

[Reward: Major General-level physical skills!]

【Harvesting Crew Member Alice】

[Reward: Kamehameha!]

[Recruiting Crew Member General Thunder]

[Reward: Thunder-type Divine Eye]

As Liu Ziyang's crew grew, the system's rewards became increasingly strange...

[Momonosuke is doomed][Nation-building strategy][No fuss][Summoning strategy][Naruto]

My name is Uchiha Mirai, a transmigrator!

I had just arrived in the Naruto world and hadn't even figured out what was going on when the system sent me to the One Piece world. But I panicked because this is Ohara!

Fortunately, the system bound it in time!

[Ding! The "Many Children, Many Blessings" system is being bound!]

The higher the score for the opposite sex, the greater the reward!

[Ding! Congratulations to Nicole Olvia on the birth of her child. Reward...]

[Unbeatable background, no system, multiple female characters, doesn't eat beef]

This book is also known as [One Piece: The Strongest Background King] and [Because I don't eat beef, Im said I'm too extreme].

Ace's father was the Pirate King Roger, Luffy's father was the Revolutionary Army leader Dragon, and Teach's father was the former ruler of the seas, Rocks.

Alright, alright, so the world of One Piece has entered the era of relying on one's father's connections, huh!

My name is Narona Ian Saint. My mother lives among the flowers year-round. The Five Elders kneel and call me Young Master. The Knights of God are my personal guards. What do you have to fight me with?

Comparing family backgrounds? My family has a history of 800 years, but it can't compare to your family's three generations of hard work.

"Kicking the Celestial Dragons like a football? Who is this guy to be so arrogant?!"

"What? The Five Elders actually called him Young Master? Then it's alright!"

"They kidnapped Princess Vivi to the Holy Land, and then blew up a restaurant just because she wouldn't eat beef. Is there no law left?"

Ian: "Which law says you can't do whatever you want? I'll make my mom change it!"

Xia Chen unexpectedly transmigrates to the world of One Piece, activating the story island check-in system right from the start.

"What? You get stronger just by clearing story islands? Doesn't that mean you're about to take off?"

Upon visiting the first island, Windmill Village, I obtained the Zoan-type Mythical Beast Fruit, the Great Sage Equal to Heaven form!

Is Nika the Sun God really that powerful?

Do you know that even if you become a god, you're just one of the 100,000 heavenly soldiers and generals who can stop me?

He then happens to meet Luffy, who is just about to set sail, and at Luffy's invitation, becomes the vice-captain of the Straw Hat crew.

Join the main characters as they explore story islands and grow stronger!

...

The synopsis is insufficient; please proceed to the main text, which primarily focuses on the bond between the protagonist and the Straw Hat crew members.

[Immortal! Invincible! Multiple fruit abilities with no side effects, decisive killing, please be careful if you mind entering]

Qingyun accidentally traveled to the world of pirates and was killed by a fishman at the beginning, becoming the fastest traveler to die!

Fortunately, the invincible revenge sea king system was activated, and he was not only resurrected, but also became stronger!

Being killed makes you stronger!

Killing enemies can also make you stronger!

You can become stronger by recruiting subordinates!

[The host subdues Boa Hancock and obtains the power of the Sweet-Sweet Fruit.]

[The host was killed by Jurakor Mihawk (Hawkeye Mihawk) and gained the ability to become the world's greatest swordsman.]

[The host kills Sakaski (Akainu) and obtains the ability of Magma Fruit. ]

Also known as "I ate the Wind-Wind Fruit," "I ate the Rain-Rain Fruit," "I ate the Lightning-Lightning Fruit," and "I ate the Weather Fruit."

...Read with confidence, I guarantee at least 1 million words, and the outline is complete.

When Long Teng woke up, he found himself in another world and had acquired a reputation value system. As long as he completed the system's tasks, Long Teng could exchange anything, such as supreme grade swords, Haki, Devil Fruits, and so on.

Most importantly, as long as the mission is completed, Longteng will gain the ability to control the weather.

In the Marineford War, Longteng used rain as his sword and storms as his blade; the entire battlefield was his chessboard.

In the Holy Land of Mary Geoise, the Five Elders gazed at the sky filled with apocalyptic lightning, unable to calm down for a long time.

Tags: [Invincible trope] [Fast-paced] [Multiple female leads]

The World Government destroyed my dreams? Then I'll destroy the entire world! Awakening to his dark side, Luffy is no longer a free pirate, but the sole king of the sea! Marine Headquarters, destroyed! Marijoa, burned! The Five Elders, prostrating themselves at their feet, begging for mercy! Empress Hancock, captured, bearing the blood of the Black Emperor! Nami, Robin, Smoothie, Ulti... all the stunning beauties will ascend to the throne! -- When the Black Emperor Luffy reigns supreme, all who resist will perish!