Heroic spirits, celebrated for their achievements, become heroes. Accidentally traveling through time and space, they gain access to the Heroic Spirit Achievement System, where their deeds are solidified into attributes, abilities, and skills... Slay demons and gain demonic special attacks. Slay dragons and gain dragon-slaying treasures. Steal a nation and gain weapons to plunder. Slay gods, slay demons, and confront three thousand worlds... The starting world is Demon Slayer. Expected storyline: Slash Akame no Yaiba, a comprehensive world of Warring States-era monsters (Inuyasha, Nura, Sekiro, Oda Nobuna, and more). P.S.: This is not a nerd's guide, as it contains alternate settings, so please don't read too closely... Thank you for your support! Even if you haven't read the original work, you can still read it as original...

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.)

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.

Takahashi Shin came to the Naruto world and became a Genin of Konoha.

He also raised a traveling frog that could bring him local specialties from all over the world.

"Your little frog brought you a travel specialty, the Sparkling Fruit."

"Your frog brought you a travel specialty, the Super Soldier Serum."

"Your little frog brought you a travel specialty, the Navy Six Styles."

From then on, Konoha's Golden Flash was renamed. Those who surrendered to Takahashi Shin would not be punished, and those who survived his hands could brag about it for several years.

When the mastermind behind the scenes appeared, Uchiha Madara looked at the meteor shower in the sky and couldn't help but fall into deep thought. Kaguya was even trembling all over when she was looked at by the Death Perception Mystic Eyes.

Takahashi Makoto: Do ​​you guys want to dance too?

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!

[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!

Kengan Ashura has ended, Baki has ended, Demon Slayer has ended, Inuyasha has ended, Valkyrie has ended, Jujutsu Kaisen has ended, One Piece has ended, 40k Governors Arc has ended, Sea Tiger World has ended, Godzilla King of the Monsters has ended, Overlord has ended, One-Punch Man has ended, and Naruto has ended.

Early chapters focus on martial arts and muscle, later on nuclear-powered titans. Two chapters daily, plenty of content to satisfy. The author is active and will reply to every comment.

When Lin Mo woke up, she found herself transported to the world of "Puella Magi Madoka Magica".

The only cheat code was the game that mutated due to the time travel—it became a mysterious system that could load "character templates".

[Initial Character: Madoka Kaname (Magical Girl) Kyubey]

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.

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!