The protagonist transmigrates to the world of One Piece and becomes Luffy. He obtains a check-in system, where he can obtain various secret manuals, weapons, and pills by checking in at each place. Luffy says to the system, "I don't want to work hard anymore!" and shouts in his heart: "Empress Boa Hancock, here I come!"

Lin Yu transmigrated to the Ultraman world and, upon arriving in Tiga's land, witnessed Tiga's crushing defeat at the hands of five monsters. Golza, Melba, EyeQ, Gob, Reijubas… Holy crap, five emperors blocking the entrance right from the start! Lin Yu was instantly drenched in sweat. Holy crap! This is a Heisei Three Heroes dungeon! This world is about to be obliterated by the Conch Shell, the Root of Destruction, and the Specia Black Hole! [Ding~ World Blessing Acquired: Awakening of the Power of Nine Dragons] Lin Yu was completely bewildered. What was this for? [Current Awakened Ability: Power of the Golden Dragon Goldras] The next moment, ripples spread across the spacetime of the transdimensional realm, and endless light suddenly burst forth from the phantom. A phantom figure materialized, its light surging and its colors sublimating, finally taking full shape. A giant woven with red, silver, and purple once again stood upon the earth. A miracle had occurred again…

[Fanfiction] + [Crossover Anime/Manga] + [Making Up for Regrets]

Having died tragically and been reborn, Lin Ci was bound to the Multiverse Transmigration System.

The game starts with two amazing skills from "Under One Person"—Feng Hou Qi Men and Ju Ling Qian Jiang!

Furthermore, the Spirit Binding and Commanding is the ultimate enhanced version!

Any entity that is not a physical being will be bound to its spirit, regardless of principles or rules!

The beginner's quest is simply "bind a spirit once".

The mission is free?

Lin Ci was excited and ready to make a name for himself in the world of Under One Person.

However, when he heard the powerful "crow flies an airplane" voice, he was completely dumbfounded!

This isn't "Under One Person," it's "Jackie Chan Adventures"!

Where in this world did a spirit come to restrain him?

Just when he thought his divine skill was about to become useless, he remembered that...

Suddenly transmigrated and given a cheat-like advantage, Qiao Lin just wanted to live his carefree, laid-back life. But one day, Qiao Lin frowned and realized something was wrong. Naruto Qiao Lin: Big brother, you know me, I wasn't even planning to become a ninja! Anime Crossover Qiao Lin: Big brother, you know me, I just wanted to play video games! Marvel Qiao Lin: Big brother, you know me, the villains wanted to destroy the world, I couldn't hide! ... Qiao Lin: Let's not talk about those. First, explain yourself, as a pure love enthusiast, why do I have you harem-loving clones?

Ye Xuan transmigrated to a fantasy world and became a Quasi-Immortal Emperor in just a million years, hailed as the Number One Emperor of All Heavens. Just when Ye Xuan thought he would continue to break through, becoming an Immortal Emperor, and even transcending the heavens, a multiverse video website appeared, pulling him in. The opening scene was a review of figures from all heavens, showcasing the glorious achievements and highlight performances of the listed powerhouses. One after another, these peerless powerhouses shook countless strong individuals across all heavens and myriad realms, and the number one spot belonged to him—the ultimate battle at the end of the Boundary Sea. He fought three emperors alone, and the fall of an emperor brought sorrow to all heavens. Witnessing that ultimate battle at the end of the Boundary Sea, countless strong individuals across all heavens and myriad realms were utterly shocked…

When Jiang Shi woke up, he found himself to be an unlucky guy in the high-risk Fusion Knight world.

Meteorites are the tickets, the system is the profiteer, and the ultimate boss is released during the beginner period?

To survive, he clung tightly to the leg of the Decade Knight!

A monstrous insect king lurking in the school, a conspiracy that distorts time and space, a world on the verge of destruction...

Jiang Shi wields the power of "Blank" and bears the mission of saving the history of knights.

His weapons are? An overload of imagination, a tough (thick) skin, and... whatever you do, don't let the system know about those embarrassing transformation poses he's secretly practicing!

Hirakawa Seisui, a transmigrator reborn into Konoha. In the ninja world, where bloodlines reign supreme, he was merely a commoner ninja, destined to be cannon fodder on the battlefield. However, fate intervened; he activated the Medical Ninja System. Good news: the system boosted his medical ninjutsu talent to the highest level, making him a Primordial Healing Body. Bad news: it only enhanced his medical ninjutsu talent; on the battlefield, he was still just cannon fodder. "What a piece of trash system! If other transmigrators told me, they'd look down on me, thinking I can't afford a good system." [Completed healing Uchiha Mikoto, reward: one golden magic orb.] [Congratulations on obtaining a magic orb.]

[Endless battles, sea supremacy, aim for the strongest]

If Blackbeard had taken Luffy's Nika Devil Fruit, Ace had been rescued, and Whitebeard hadn't died at Marineford, what would the future of the world have been like?

On the eve of the summit, an unlucky soul who had traveled from another world was devoured and merged with Douglas Barrett.

The lives of the devil's heirs took a different turn from that point on.

"The Paramecia-type Fusion Fruit allows the user to arrange and combine any object, causing them to fuse. It can also fuse any inorganic matter it touches with its own body to create desired transformations!"

Cells can arrange and combine to become ultimate life forms, ever-changing!

The arrangement and combination of matter—this world is a sandbox game in your hands, and you are the creator!

Microscopic particles arrange and combine, hand-crafted nuclear fusion, devastating the world!

Impel Down is in chaos, a mad dragon emerges from the abyss, turning the entire Deepsea Impel Down into a ship to fight on the summit!

In the Marineford War, a Gundam was launched, and Marineford was sunk with a single shot!

In the new world, we will conquer all and let the name of the Demon God resound throughout the seas!

What kind of collision would occur in the Naruto world if someone obtained a Fruit of Ope Ope no Shit (without the weakness to seawater), a fruit that consumes stamina, and a Saiyan-like physique?

My name is Bai Xing. I was playing a game and I was transported to another world. Luckily, I was able to travel back, and I even activated a magical system.

Main quest: Survive until the final chapters of Shippuden.

award:

First, he could choose to stay in the present world and obtain a noble black card containing a billion dollars in legal and compliant liquid funds;

Secondly, he can obtain the character's peak strength and travel to other worlds he wishes to go to, or stay in this Naruto world to continue living.

For a modern person, neither choice would be a loss, but for someone who has spent half a month and three years in the "Second World," only one option remains:

—I need to find another world, I need to make a quick getaway!

"My dream is to become a 'qualified' Chunin."

P.S.: "The Self-Cultivation of Playing a Genin," "As a Genin, I Can Only Do D-Rank Missions," "Naruto: I'll Never Become a Chunin in My Lifetime"

The mysterious transmigrator, Isayama Yuki, avoided Nawaki's inevitable death due to his close relationship with Tsunade… but he never imagined the price would be his own. Fortunately, his timely refreshed [skill] allowed him a second chance. In the first week, his vision gradually penetrated the matter before him; to avoid eye strain, he could only gaze at the sky at a 45-degree angle… In the second week, he saw that everyone had a number above their heads. However, compared to exploring the meaning of these numbers, he felt this ability had another use… Hey, Mr. Hatake Sakumo, you're indeed skilled at concealment, but the number above your head is just too conspicuous!!