Synopsis: Transmigrated into Doraemon's world, becoming Nobita's classmate Hoshino Uda, and activating a god-level sign-in system! [Sign in the four-dimensional pocket to obtain a level one small world!] [Sign in the magic world to awaken all-elemental magic talent!] [Sign in the time tunnel to obtain first-tier time and space abilities!] Sign in to become stronger, and roam freely in the adventure world! (Real-world mutation + grand adventure)

A boy, so beautiful he felt inferior, chose to retreat to the mountains. Unexpectedly, he was transported to a dark and mysterious ancient world of Japan, transforming into a tall, mature female shrine maiden, Tsukikage Tenon. In this era… nations wage war, and demons roam the night. In such a world, two girls meet. How will they survive in this ancient world where gods, Buddhas, demons, and ghosts coexist? She trains at a secluded shrine, seeks guidance from wandering ronin, inevitably becomes embroiled in the conflicts of samurai families, and hears rumors of female generals and empresses in this other world—is it true? They say men are forever young, but what if she becomes a girl tonight? With waka poems, flowers, and swords, with moonlit cherry blossoms and blizzards; turning in white robes, she dances to control the spirits! [Official reader of Dimension Princess [Luo Jiangshen]]

My name is Yi Ze, an ordinary student at Shuangxing City Superpower High School. I've always considered myself fairly intelligent and a decent student. But things started to change in high school. I wasted the second awakening guide stone my dad got me, and I became known as a good-for-nothing and a spendthrift. Until one day, everything changed again. A voice quietly appeared in my ear, "Want to become stronger?" "Hmm? ~ Yes." "Then start with time travel. Time travel is the only way for you to become stronger, and missions are the only shortcut to success. Young man, go to the endless dimensional worlds to find the path to power."

[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!

A system designed to cultivate the strongest battle songstress selected a soul with boundless potential and used its remaining power to prepare the perfect songstress body—a perfect start! However… the system and its support spirit watched as the new host suddenly trembled, her hair turned golden, and she decisively defeated her enemies with brutal blows, before falling into a long silence. Question: This host can transform into a Super Saiyan, making her completely unnecessary for singing when fighting enemies. How can I cultivate her into a songstress? Worlds Experienced: Date A Live → Honkai Impact 3rd → Symphogear → Demonic Frontier → Dragon Ball → Demon Slayer → Akame ga Kill! → Magical Girl Lyrical Nanoha → ?

[No protagonist], [Skyline], [op/ed]

Suddenly, a sky screen appeared in the Naruto world, playing a series of inexplicable videos to the whole world.

However, the video contains some unknown secrets.

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!"

Encountering the Hundred-Ton Queen, Tang Yan, a superpowered individual capable of breaking down objects into raw materials, simultaneously traversed countless worlds. After reuniting in a shared space, he discovered that his superpower could be stacked and strengthened, transforming from the original dismantling into [Return to Origin]: capable of breaking down all things into their essence. From then on, Tang Yan and his companions embarked on a path of resource cultivation. Starting with just two hands, resources were all obtained through plunder. [Harry Potter Tang Yan]: "What Voldemort Horcrux? It's clearly the essence of magic!" [Mr. Zombie Tang Yan]: "The old man was afraid of fire? No problem, I'll dismantle it into spiritual essence and yin-attribute luck." [Under One Person Tang Yan]: "What Quanxing? It's clearly spiritual material!" [Armor Hero Tang Yan]: "This is no ordinary monster, we must strike hard!" [The Boys Tang Yan]: "What superpower...

The office worker was reincarnated into another world and turned into a blue jelly slime!

Awaken forbidden magic: [Ancient Magic•Devouring Magic], analyze and copy, and evolve infinitely!

The blue slime Christian sneaked into the most passionate Fairy Tail guild and became a new member of Natsu's team!

So, the style of Fairy Tail suddenly changed:

Dragon-killing fire? Swallow it!

Ice shape? Swallow it!

Protecting a partner? Swallowed! (Haha, no.)

Follow the protagonists and experience famous scenes from the original! Watch how this ball of blue jelly devours and becomes stronger, analyzing everything, and in the passion and bond of life, become the strongest slime to protect his family!

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.