Ryan, who survives by petty theft after transmigrating to the world of One Piece, looks at the Devil Fruit he just stole and says:

He who steals a hook is executed; he who steals a country becomes a prince… he who steals heaven and earth becomes a saint!

From now on, please call me the Demon Lord of the Heavenly Thief!

"Uchiha of the One Piece World," "Marine Admiral," "Smoker's stepsister," "The Celestial Dragons' lifelong nemesis," "Is Sharingan + Ice Release + Devil Fruit a viable combination?" "Ancient Zoan - Snow White Wolf!" "The Navy's peak of handsomeness in 800 years!"

With the aim of hunting down the Celestial Dragons, he used a dual identity to rise through the ranks of the Marine Headquarters, becoming the youngest admiral in history!

Borsalino: Compared to that brat, we're ashamed to be called monsters.

Sakazuki: Although he's an ice-wielding guy like Kuzan, I felt this kid's burning sense of justice!

Kuzan: Compared to that, my fighting style seems incredibly crude.

Sengoku: He will be the future of the navy! A pillar of the navy! (Most importantly, his face boosted his recruitment rate by several points.)

Garp: I have a feeling... this guy will unleash a storm of a great era, just like Roger!

...

Ten years later, the Marineford War.

When the Sharingan's gaze fell upon Marineford...

Allen spoke softly.

"The winners don't care what the world is like, they care about how they make it..."

"And I am the victor!"

"Schrödinger's heroine," "decisive and ruthless," "ruthless and vicious," "arrogant? What kind of young person isn't arrogant?!"

It's time to show the world a fighting style that's no longer suited to this era!

Jiang Cheng accidentally travels to the world of pirates and becomes Luffy, the background king. Pirates seem like a good choice. The top thieves, the world's most powerful, where I am Luffy, the world is mine. My name is Monkey D. Luffy, and I shall crush all my enemies.

Wayne, who transmigrated into the body of a pirate, awakened the Good Citizen System.

Living in the world of One Piece, he must strictly adhere to the labor laws of his previous life, arriving at work and leaving on time.

As long as he strictly follows the rules, he will reap a bountiful harvest every day.

Physical fitness, swordsmanship, martial arts, and domineering presence.

Everything you could want!

And so began his unique path of law-abiding piracy and robbery.

...

Nine o'clock in the morning, starting a beautiful day.

Burn! Kill! Loot! (Omitted)

At 5 p.m., a busy day came to an end.

Go home! Go to sleep!

His brothers, looking at the city they had finally managed to conquer, were unwilling to give up and wanted to break the rules.

But after being educated on the law by law-abiding citizen Wayne, they could only follow him back with their faces full of embarrassment.

Before leaving, Wayne shouted to the townspeople, "Wait! I'll come back to rob you again at nine o'clock tomorrow!"

...

As time went on, Wayne's strength began to become unfathomable.

Due to his eccentric behavior, the Navy paid close attention to him but did not take him seriously.

Until the Marineford War many years later.

Seeing Wayne slice the entire Marine Headquarters in two with a single stroke, the Marines finally realized what was happening.

This little pirate they didn't pay any attention to seems to be a tiny bit stronger than they thought...

Whitebeard: "This is it!"

Ace: "Uncle Vegeta, save me!"

Warring States Period: "This is it, we're doomed."

Just when everyone thought the outcome of this battle was sealed...

Wayne: "I won't bother you anymore, I'm leaving now. It's time for me to go home."

Whitebeard: ? ? ?

Ace: ? ?

The protagonist, Dicas, is transported to the world of One Piece and becomes a stray cat. Just when he is lamenting the tragedy and helplessness of life, the strongest cat god system descends. Watch how the protagonist improves his strength, how he uses the system to summon cats from the anime in his memories, and how he leads them to make a name for themselves in the sea world and make a name for their cat clan.

Rainbow Cat: "Let me, Rainbow Cat, the greatest swordsman of the cat clan, learn about the swordsmanship of this world."

Doraemon: "Rainbow Cat, wait a minute, let me get out the Lightning Ball to help you."

Dorami: "Wait a minute, brother, watch me use the shock gun in my left hand and the air cannon in my right to help you."

Meow: "I can do anything except catch Pikachu."

Talking Tom: "Me too. I'm invincible except for catching Jerry."

Star Cat: "Come and experience the charm of martial arts, magic, and wisdom. Here I come."

Abu: "Let's forget about the above. How about I show our enemies what the combination of technology and strength really means?"

Stingy Cat: "Come and experience the power of this Cat King's Explosive Red Fang."

Black Cat Sheriff: "I bet your bullets won't curve."

Blue Cat: "Hehe, do you know why I'm the leader of the Dragon Riders?"

Gatomon: "Let me destroy you in the name of the angels."

Tomorrow's Bright Moon: "We, the cat clan, will remove all obstacles."

Xiaoqing: "Let me tell you what it means to overcome strength with softness?"

Sugar: "Do you know what it means to break through force with speed? It's simple, just let me eat my fill of fish balls."

Whirlwind Claw: "I am the number one constable in the world."

The world of One Piece is silent and shocked.

Luo Lan traveled through the pirate world, becoming captain of the Whitebeard Pirates' Squad Zero and activating a god-level manga system. He knew full well the fate of the Whitebeard Pirates at Marineford. So, he retreated to gain experience and improve his own strength. With the Battle of Marineford imminent, Whitebeard needed a period of intensive treatment due to health issues, so he temporarily appointed Luo Lan as acting captain of the Whitebeard Pirates. Months later, when Whitebeard completed his treatment, he was utterly stunned! Marco: "The Undying Flame is the true way to activate the Phoenix Flame!" Jozu: "Eighth Death Gate, open! Who can withstand my [Night Jozu] move?" Vista: "When I master the dual-sword style, my Zanpakutō, Nosei, that's when you prepare your final words!" Little Oz: "The super-multiplication technique in Butterfly Transformation Mode is so fascinating!" ... Whitebeard: "I asked you to temporarily take charge of our group, and you've actually raised the captains' strength to that of a general?!!"

The boy died, the girl lived.

When I opened my eyes again, I was not in a white hospital room, but in a cold, dark space.

There is no sun here, no earth, only deathly silence.

He also noticed something was wrong with her; she seemed to have been reborn, and not only did she resemble Hoshimiya Rokuro from the anime Date A Live, which he had watched before, but she also possessed magical spirit powers.

At the same time, she discovered that he was dead, his body beside her. Although she could not sense any signs of life, she felt as if she were still connected to him...

Suddenly, hope filled the girl's heart, and she decided to seek the realm between life and death, embarking on an unknown and long journey.

Her first stop was actually—

One Piece, Akame ga Kill!, Naruto, Re:Zero -Starting Life in Another World-, Overlord, Godslayer, Jackie Chan Adventures (in progress)

P.S.: The good news is that the author doesn't know how to write romance; the bad news is that the author only learned how to write exciting battle scenes.

The protagonist shares the space flow. The protagonist is the original protagonist of each animation. He can share memories and the ability to fully control the current stage

Initial World: Naruto - Uzumaki Naruto, One Piece - Monkey D. Luffy, Bleach - Kurosaki Ichigo

Now expanded world: Fairy Tail - Natsu

[No system][Pure pirate power system][Many women][Happy fruit][The man who scares Im]

After traveling to the pirate world, you still think about just lying down and living your life. Can you have some ambition?!

Adolf D. York, a time traveler without a system, obtained the Superman Happy Fruit by making a wish.

"I have only two biggest wishes in this life!"

"First, wake up and take power over the world!"

"The second one, drunkenly lying on the lap of a beauty!"

“Whether I can do it or not is not known yet, but I will definitely do it!”

"As for dying, I deserve it. I don't have the ability to do that!"

"And the first step to realize my dream! I choose to join the Rocks Pirates to learn advanced experience!"

………………

Many years later.

Adolf D. York sits on the high throne of the Holy Land of Mary Geoise.

Standing around him were countless beauties in maid outfits, including Im, Nami, Robin, and the Empress, and in front of him were reporters from all over the world.

Facing the camera, he said: "Everyone must have dreams. What if they really come true? I am the best example!"

Marinford...

"Gulala, Ace, are you okay?" Whitebeard stood at the bow of the Moby Dick and looked at the execution platform.

"Whitebeard! You've come as expected, and this time you're destined to never come back!" Zhan Guo shouted at Whitebeard.

"Oh? Going but never coming back? I'm afraid that's not up to you." A blond boy moved and appeared beside Whitebeard.

"Who are you?" Zhan Guo looked at Leiduo in confusion.

"Edward Reardo!" The young man waved his staff, creating a strange phenomenon in the sky and on earth.

"Gulalalala, let's have a big fight today, brothers!" Whitebeard activated the Tremor-Tremor Fruit, causing a huge tsunami.

……