[A long-time Doraemon fan, a childhood memory, no system, multiple female leads, theatrical version]

[The plot features a lot of fan-made and original elements, but the main storyline remains the same. Join Doraemon on his grand adventure!]

High school student Chu Mushan is reborn as Dekisugi from Doraemon. Before he can even experience a leisurely daily life, he is transported to 13th-century Europe by a time warp.

WTF! Director, this script is wrong! Let me go back!

He had resigned himself to his fate, but he found that things were not as simple as he had imagined, looking at the proud blonde girl in front of him.

Chu Mushan scratched her head and muttered to herself, "Is this—the movie?!"

The synopsis is insufficient; please proceed to the main text. I hope you enjoy it. I'll strive to bring you forty-five unique theatrical adventures, and everything awaits you to unlock!

What bad luck! I choked to death after drinking a sip of warm water and traveled to this upside-down world!

What is upside down? It means that in a world where women are the mainstream, the attributes of men and women are reversed!

He thought he would live an ordinary life, but on the day of his high school graduation, a thing called the Sprite took him to a dimensional chat world that connected the heavens, changing his original life trajectory.

Yan Shuangying: How can someone like you change...

Xiao Yan: Thirty years on the east side of the river, thirty years on the west side of the river...

Spider-girl Shiraori: I...I...

Komon Ikki: Light is a bond...

Aqua: Hahahaha…

Kato Megumi: Oh my, I didn't expect that my presence is still so low here, I am inaction...

Ye Wuwei: ...The introduction is weak, please read the main text!

Realization of fantasy is the ability to make the things firmly described in the mind become reality and create something out of nothing. Through the form of imagination, the ability to create natural phenomena, physical phenomena, man-made objects, divine creations... out of thin air.

Subordinate manifestation: Magic Universal Strategy Book, Rule Breaker, haunted by evil spirits;

Intermediate manifestation: Gae·Bolg, Backlight Sword, Teigu Shangri-La;

Superior manifestation: Excalibur, the Lock of Heaven, Lord Camelot, Emperor Keke, Cage Hand of the Sekiryuutei;

Athena's Holy Cloth, God's Power, Simulated Star Chart...Excalibur+Sekiryuutei's Cage Hand, Twelve Trials+Eight Gate Armor...Yueluo? That’s okay too!

Note: The plot of FGO comes later. (This story and characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.)

Xu Qing was an ordinary college student who unexpectedly became bound to a system.

With each world I travel to, a new system will awaken.

I can say to everyone with my hand on my heart: My current strength is entirely due to my own hard work!

[Host detected entering the Naruto world. Awakened talent: Infinite Chakra!]

[Host detected entering the One Piece world. Awakened talent: Haki Master!]

[Host detected entering the Dragon Ball world. Awakened talent: Warrior race bloodline!]

[Host detected entering the One-Punch Man world. Awakened talent: Limiter removed!]

Naruto: Big Brother's Rasengan is ten thousand times stronger than mine!

Luffy: He's more like the man who's going to become the Pirate King than I am!

Goku: I've finally found an opponent who can fight me with all my might!

Saitama: This guy... is balder than me... no, he's stronger than me!

Academy City. A magical city with a population of 2.3 million, filled with countless individuals possessing extraordinary abilities. Standing at the pinnacle of that city are true monsters. The first, Accelerator. The pinnacle of existence, possessing the strongest and most evil ability to truly control the direction of all energy, the strongest and most all-powerful monster in Academy City. He will face encounters with countless worlds that transcend time and dimensions. This is a world where countless imaginative beings converge, a world of magic, a world of technology, and all sorts of people and things will mingle within it. And then, the first will experience all of this firsthand. "—Interesting, then let me see how your so-called justice actually works, heroes?" Accelerator, who has degraded himself to a villain, the most vicious and evil anti-hero, what kind of encounters will he encounter on this journey beyond dimensions? The strongest and most evil one-way dark hero awakens here. A crossover anime/manga fanfiction, the protagonist is Accelerator from the original work, striving to recreate the feel of the original A Certain Magical Index.

Yellow-haired, cute little yellow-haired boy Naruto Uzumaki has awakened! To hell with saving the world! Let whoever wants to go first, let the tall guys hold up the sky if it falls. He's just a little yellow-haired boy, a cute little boy, so he should do what a little yellow-haired boy should do.

The protagonist travels to Uncle Nine's world and joins a chat group. It's just that the members are all little brats: the beast-milk-loving Emperor Desolate, Kanna, the dragon maid from the Krillin family! Magical Girl Sakura, Nezha the Magic Pill, Tushan Susu, Haibara Ai (??? Is this considered a cub???), Xiaoyu from Jackie Chan's Adventures, and Son Goku from Dragon Ball...

Good news: I've traveled through time, to the world of Fairy Tail. Even better news: The magic can summon plants, and not just any plants, but the ones from the Plants vs. Zombies mini-game. Bad news: I haven't seen Fairy Tail, so I don't know the plot. Even worse news: The summoned plants aren't the ones Kern is familiar with. ...Kern, having traveled through time, gazed upon the summoned [Worker Sunflower], [HR Ice Shooter], [Surplus Value Sun Mushroom], and all sorts of other bizarre plants, lost in thought.

[Behind the scenes + Cultivation + Chat Group + All Heavens and Worlds]

I, Gu Jianghan, am an ordinary college student who sacrificed himself to save others.

I never expected that the golden finger for time travel was not the system, nor the old man, but myself.

I am the ruler of the old days!

Just when I was about to be driven crazy by this boundless power and completely lose my "humanity", a miracle called [Chat Group of All Heavens and Myriad Worlds] extended an invitation to me across dimensions.

I cautiously suppressed the mental energy that could have contaminated the entire group chat, conjured up a dozen tentacles, and like a Parkinson's patient, typed a friendly greeting on the virtual keyboard:

[Lord of the Old Ones - Gu Jianghan]: Hello, I am Gu Jianghan. May I ask where this place is?

And then... nothing happened.

Three group members suffered cardiac arrest on the spot, bleeding from all seven orifices, and were on the verge of mental collapse. One of them was so excited that he gouged out his own eyeballs.

From then on, the style of the chat group began to become extremely weird.

——The aloof and proud daughter of heaven in the world of immortal cultivation analyzes the "spiritual charm of the Tao" contained in my words every day.

——The seriously injured and dying Daozi from another world regarded every word I typed as a punishment and a gift from God, and trembled with fear.

——There was also a Qigong cultivator from the Dharma Ending Age who was tied to the bed, and every day he was trying to flatter people in various ways, shouting, "Is there any accessory missing from the boss's leg?!"

And I, the great Lord of the Old Ones, can only maintain the mysterious image of a god while silently shouting in my heart:

"Can anyone tell me how to drink a Coke without destroying the world?"