One Piece fanfiction, following the trend of the ship, no female protagonist, fruit development, a newly graduated good man, after having just experienced a beating from reality, encounters a demonic entity, transcends tribulation and ascends to heaven, while watching the fun, he is very unlucky and is struck by lightning, thus traveling to the world of One Piece. "Are you going to kill me?" "Why should I kill you?" "Because you are a pirate." "What's wrong with pirates?" "Pirates kill people!" "Who said that?" "One Piece!" "I never said that!" "The previous One Piece!"

(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?

Traveling through the pirate world, he was swallowed by the King of the Sea at the beginning, and then awakened the god-level [Cube Fruit]!

Everything in the world can be decomposed and reassembled! Others work hard to develop fruits, I directly read the data and synthesize it with one click!

While the navy was still showing off their pacifism, my 100-meter Diamond Gundam had already been assembled.

Everyone thought I was adventuring on the Grand Line...

They don’t know that every time I arrive at an island, I copy the data of the entire island!

The Battle of Marineford breaks out, and the eyes of the world are focused on the execution platform...

I printed a "Sky Island" directly above the Navy Headquarters! ?

Transmigrating and immediately stumbling upon the Third Shinobi World War? A hellish start! To make matters worse, his identity is that of the Uchiha clan, which is destined to be wiped out in a few years?

Just when I was giving up and waiting to die, the system told me that I had memories of my past life and a [troop production system]!

Suspicion from Konoha's higher-ups? Danzo Shimura's conspiracy? Itachi Uchiha's executioner's blade? No! This so-called "Night of the Clan Massacre" is merely the perfect sacrifice for my ascension to the throne!

Konoha? Too small. The ninja world? Just the beginning.

The rules of the ninja world must be rewritten. I will take control of life and death in the name of the Uchiha and amass billions of soldiers.

From this day forward, I will stand at the top.

He traveled through time and became the cousin of Nara Shikamaru of the Nara clan in Naruto. Nara Shikahaku has a deductive transformation system. He said that although his chakra attributes are not enough and he does not have a special bloodline limit, he has a family secret technique.

What? You're saying the shadow isn't that long? The blood vessels in the human body are about 100,000 kilometers long. So, it's scientific that my shadow would become thinner and longer from the Fire Nation to the Water Nation, right?

Killing from a distance? Doesn't Shadow Seam allow you to concentrate chakra and thrust to kill? What? How do you break through the Lightning Release Chakra Coat? Doesn't Shadow Slap Technique increase strength?

How do you control the tailed beasts? Isn't the most basic shadow imitation technique enough? It's common sense that shadow imitation can freeze the body, right?

How can I defend against the Tailed Beast Balls alone? Gaara can use sand to defend himself, and the Raikage can also use chakra cloaks. Isn't it reasonable that my shadow can transform into a barrier?

Don’t disbelieve me, this is really a secret technique passed down from my family.

Starting as a commoner in a collapsing ninja world, after twelve years of grueling ninja academy graduation, I'm sent to the battlefield as a mere line-filling doll? In this desperate situation, the system successfully activates. [Ding! Rare Pawnshop Across the Myriad Realms, at your service.] [Rare "Uzumaki" bloodline detected...] [Pawn?] You mean rare means pawnable, and rare means valuable, right? Then let me ask you, how many clans were wiped out by Yoru in the Naruto world? I can confirm three: Uzumaki, Kaguya, and Uchiha. Why? Because I was involved in all of them, so of course I can confirm it! After all, my current name is 'Namikaze Uzumaki Kaguya Uchiha Yoru'.

Introduction: Traveling through the world of Naruto, he was reborn in the Aburame clan, became Shino's brother Aburame Jimei, and obtained the inheritance system of Kurotsuchi Mayuri.

As long as he continues to research and invent, Kurotsuchi Mayuri will continue to be rewarded with knowledge.

Research parasites and develop them into symbionts, comprehensively enhancing both offense and defense.

Research the art of instant movement, develop the flying kick, and walk in the air regardless of the terrain

Study the corpse bone veins and learn about super-speed regeneration

Research......

After years of crazy research, development and sedimentation.

During the Fourth Shinobi World War, Aburame Thistle slowly drew her Zanpakutō. Impure World Reincarnation? Have you asked about my sword?

Thus, in the shocked eyes of the allied ninjas, a strange scene of one person chasing a group of people was born.

This book is also called "Soman: The Demon King Who Started the Naruto World"

[No system + multiple worlds + no qualifications to become Kamen Rider + multiple heroines + Demon King + OOC apology]

My name is Tokiwa Sougo, but I am not the little devil king, nor the old devil king. I am Tokiwa Sougo who traveled to the world of Naruto. I had no inheritance and felt that my life was over. But when I was just five years old, my complaints were heard by the old devil king, and I got an unexpected inheritance.

Tokiwa Sougo: I'm not a knight, I'm a demon king.

The story begins in a bloody mist.

The orphan Bamboo Cutter, slain by the Kirigakure Anbu, rises from the sea of ​​blood and corpses.

Her mutated gray Byakugan and the combined offensive and defensive Shikigakure (Shikotsu) combine to create the uncanny ability to manipulate her body, setting her on an inhuman path to becoming a physical ninja.

The Shikotsu strengthens her bones, the Byakugan manipulates chakra and her body, the Lightning Release Chakra mode strengthens her body, the Reverse Eight Gates replenishes her life force, she devours the Tailed Beasts to gain an infinite source of power and the Tailed Beast Coat, and possesses the indestructible power of the Monkey Demon... A beautiful girl, as delicate as a doll, becomes an inhuman physical monster.

The ultimate crushing of stats and mechanics, the terrifying contrast between her appearance and combat style, creates a Gokudo Hokage filled with blood and flesh.

(Non-transformation, single-player story, slightly dark, semi-invincible, no system, not a babysitter)

【System + Naruto Fanfiction + Not Brainless + Vest + Realism】

Zheng Dongfang travels to the world of Naruto, using the alias Dongfang Zhen. He gains access to a system called "Daily Card Draw," where he can gain access to all the abilities of a ninja, including chakra, ninjutsu, taijutsu, and even bloodline limits! Reaching a certain number of draws fully unlocks the corresponding ninja card, granting permanent ninja abilities!

Dongfang Zhen: I want to create a new ninja world, let me draw out Madara and the First Generation!