Traveling through the world of Demon Slayer, Shigure opens the role-playing system of the universe.

The higher the missions completed and the degree of character restoration, the stronger the power gained.

The first task required at the beginning is Bai'e.

"? Bai'e beats Wuzhan? Doesn't having hands do that?"

[Player progress reaches 15%: Unlock the weapon "Dawn Invasion"]

[Player progress reaches 30%: Unlock the form "Fire Walker"]

[Playing progress reaches 50%: Unlock the form "God of Evil"]

"Nanook... uh no, Muzan Kibutsuji, I bring destruction upon you!"

Muzan Kibutsuji: "No red blade? No markings? Are you also a pillar?"

Shigure: "Pillar?... Pillars are considered pillars."...

Muzan Kibutsuji: "It's useless. Unless I wait until the sun rises, I can be resurrected even if only a piece of flesh is left..."

"I am"

"?"

"The blazing sun will eventually rise!"

[Villainous Character (Fighting the Great Tomb)] + [Lord-Slaying/Farming] + [Slight Horror/Grim Realm] + [Respectful of Original Work] + [Major Spoilers]

Lin Su, a college student who had given up on her studies, transmigrated into the body of Ivy, the vampire princess, from the anime/manga series *Ashes of Time*. Having read the original *Ashes of Time* novel, she knew the plot perfectly well. Her first encounter was with the great demon Demiurge, followed by a sudden appearance from the sky by Fei Fei, a Steel-rank adventurer disguised as Ainz…

"Then, demon, let me challenge you!"

Watching the two wrestling, the pitiful little girl from the destroyed kingdom couldn't help but sigh:

"You two are in cahoots, why are you acting so convincingly!"

In this other world where the ending seems predetermined, how will Ivy Ainz outwit and outmaneuver Ainz and find a way to survive?

Note: Readers need to read the original work in its entirety to watch without any obstacles; at least they need to watch the entire anime series.

[Theatrical Version: Heart of Gold] [Creation in the Fish's Belly] [Pure Gold] [Hiding in the Lantern Fish's Belly] [Lord of the Pure Gold Lantern Fish]

I am an immortal, how I became immortal is none of your business...

…

Good news, I’ve traveled through time!

Bad news, the timeline is wrong, it's 600 years before the story begins.

Good news, it was eaten by fish!

It's a lantern fish that likes to collect pure gold! From now on, it will be eternally young and immortal!

…

600 years ago,

Abyss was swallowed by a pure golden lantern fish and became the first human to live in the belly of a fish. He gradually transformed the three stomachs of the lantern fish into three small worlds, his own paradise.

And in the long loneliness, he developed and awakened the superhuman language fruit ability,

Talk to the powerful people around the world who are at their peak or in their twilight years.

Extend an invitation to eternal life!

Invite them into the "forbidden zone" where they can avoid death.

Since then, there have been many elderly strong men who choose to enter the belly of the lantern fish to survive.

The world of Abyss' lantern fish belly continues to grow and gradually becomes a "forbidden zone" in the world of pirates.

The incident caused by the appearance of the "old immortals" in the belly of the pure golden lantern fish was called the "Dark Turmoil" by the world.

The World Government sees him as a serious threat, and the world calls him the Lord of the Forbidden Zone, Abyss Abyss!

OVERLORD fanfic

As a newly returned supreme ruler, Alucard, by chance, traveled to a new world along with Ainz Ooal Gown.

They knew nothing about this completely new world.

How will Alucard, the top player who once dominated "YGGDRASIL", face the problems that follow?

How will Alucard, dubbed the "moving world boss" by his defeated adversaries, survive in this new world?

How can we resolve the conflict between the supposedly invincible True Dragon King and the Sky City left behind by the Eight Desire Kings who ended the Dragon King era?

Let's look at the detailed explanation in the main text.

[JOJO + Naruto + Uchiha + No Heroine + Dark Fantasy + Vampire + Time Stop] A veteran JOJO fan, on the day the "Bakuma Yarou" PV was released, suffered a cardiac arrest due to excessive excitement (anger). When he awoke, he was in Konoha. He also conveniently brought along his past life's collection of figures—Dio's "The World," an arrow, and the Stone Mask! Is the Uchiha clan about to be wiped out? Danzo is lurking in the shadows? Orochimaru covets my body? Heh, how...weak! Weak! My goal has never been merely to become Hokage. I will don the Stone Mask, transcend ninjas, and reach heaven! From this day forward, let the entire ninja world be plunged into eternal fear by my time stop, Uchiha Dio! "Come, ninja world, taste the fear of being dominated by 'Zawarudo'! In this frozen spacetime, praise me! Fear me..."

Yu Tadokoro travels to the world of gourmet food, lives with his sister, and makes a living by his cooking skills.

However, even though he had watched countless anime in his previous life, the dishes he made only had the "form" but no "soul".

No matter what I do, it always feels like something is missing.

This made it difficult for Yu Tansho to even pass the assessment for an intermediate chef.

At this moment, the 'chef system' awakens, and he can travel to various anime worlds at will and simulate the food in them infinitely.

From then on, Tanosho Yu took off and all the state banquet chefs were stunned!

"Are you crazy? You saw a real God of Cookery in anime?"

She transmigrated into the Naruto world, only to become Sakura Haruno. After drifting aimlessly for five or six years, she finally realized she had no system, no cheat codes, and no special abilities—a complete "three-nothing" transmigrator. Was she destined to become a mere foil to Naruto and Sasuke, a laughingstock among the new Three Ninja? No! Who says a commoner can't rise to power? In the original story, she became a Kage-level ninja; as a transmigrator, she would only be stronger! Thus, determined, Sakura Haruno began her relentless pursuit. Ultimately, relying on her extraordinary genjutsu talent, she stood atop the ninja world.

[Anime Crossover] + [Chat Group] + [Multiple Heroines]

I traveled to the Naruto world and became one of the two survivors of the Uchiha clan massacre.

Lin Shi thought he could live a good life through hard work, but unfortunately, the Konoha higher-ups set a trap for him, causing him to fail the Chunin exam.

Fortunately, the Awakening All-Heavens Chat Group System allows you to become stronger simply by participating in the storyline.

What else is there to say, bro? I'll just be a model worker.

Thus, a troublemaker could be seen throughout all the heavens and myriad realms.

Gojo Satoru: I'm so sorry I couldn't make Lord Lin Shi enjoy himself.

Misaka Mikoto: You idiot, Lin Shi, come to my room tonight. Don't get the wrong idea, we're just going to talk about the sisters.

Esdeath: You are very strong. Let's have a fight. The loser will become the other's slave.

Shinobu Kocho: Mr. Lin Shi really is a womanizer, having so many older and younger sisters.

Whitebeard: Lin Shi, you're really awesome, be my son!

Allen: Tataka! Tataka!

[Currently, the tentatively confirmed worlds include: Naruto, Akame ga Kill!, One Piece, Demon Slayer, Attack on Titan, Jujutsu Kaisen, A Certain Scientific Railgun, and The Burial of Freeland... If you want to see more worlds, please leave a message in the comments section.]

At the beginning of the Third Shinobi World War, Byakuya, the Crane, saw his destiny of "hard work pays off" and secretly made a resolution: "I will remain a genin in Konoha for the rest of my life, until I reach the level of a Six Paths ninja." Although he was a commoner ninja with extremely poor talent, he believed that hard work would be rewarded. To survive in this dangerous Shinobi World War, Byakuya took each step cautiously, always trying to survive. But fate often plays tricks. When he unexpectedly became an unofficial member of "Root"... Byakuya thrived, his survival skills becoming astonishing. Byakuya: "My life has been like walking on thin ice. Do you think I can reach the other side?" Danzo Shimura: "Only a ninja like you, who proceeds cautiously, steadily, and without seeking the limelight, is suitable to lead Root and protect the towering tree of Konoha." — Many years later, in the Fourth Shinobi World War, after much hardship...

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...