The librarian, who was the champion of the World Swordsmanship Championship, traveled to the world of Demon Slayer during the Warring States Period, awakened the Great Swordsman System, and became a disciple of the Jigoku brothers.

From then on, he created various legends of his own in this world!

Muzan Kibutsuji: Facing Yoriichi, I can still escape, facing the librarian, I have no choice but to die! Yoriichi Tsugikuni: Your strength has surpassed mine! Demon Slayer Corps: The librarian is the most powerful man!

A familiar, thin figure was standing at the doorway.

He wore a yellow and black square haori, and his long, deep red hair was unusually tied in a high ponytail.

He was holding a katana that he had never seen before.

That was the back view of his father, Tanjuro Kamado.

And facing Tanjuro face to face.

It was a man Tanjiro had never seen before, dressed in a black suit and wearing a small top hat.

Because Tanjiro fell in the snow, he couldn't see the expression on his father's face, who was turned away from him.

But he was able to see the other side.

—The man in the black suit, his red eyes revealing a look of horror.

That was an expression as if he had seen a ghost.

The world is in chaos, and evil spirits appear everywhere, causing chaos in the world and poisoning the people.

The imperial court set up a special department for subduing demons, recruiting strange people, Buddhist monks and monks from all over the world to work together to slay demons and subdue demons.

Ning Xiu was reborn with a proficiency panel and practiced martial arts exercises hard, just to have the power to slay demons in this world of demons, suppress the universe, and protect the peace and prosperity of the human race.

[Tianwang King Kong Gong: Twenty Layers (99999/99999)] The blood is like a furnace, burning the river to boil the sea

[Dragon and Elephant Prajna: Eighteenth Floor (81111/88888)] Raise the peaks with both arms and move the mountains to remove the ridges

…

Ning Xiu: “My strength is all based on hard work every day, rain or shine.”

After a new life, Jiang Liu became a small constable in Baiyun County. At this time, the magic prison was leaked, demons were rampant, and they fed on humans, and the human race was in danger.

By killing demons, Jiang Liu can gain points, which can be used to enhance his martial arts.

Kill the little succubus, add points to the Demon Subduing Palm, and the twelfth level of the Demon Subduing Palm will become the thirty-third level of the Vajra Demon Subduing Palm. With one palm strike, Sanskrit sounds will be heard, Arhats will appear, and the demon will be killed.

Kill the fox mother, add some Chiyang true power, and rolling heat waves emerge from the body. Suppress the plague demon with one hand, and kill it as easily as killing a chicken.

Kill...

In this way, Jiang Liu, with the Great Heavenly Demon-Slaying Palm in his left hand, the Three Lives Mysterious Fingers in his right hand, the Heavenly Steps on his left foot, and the Divine Demon Legs on his right foot, ran rampant in the demon world and became the "demon" of demons and the "ancestor" of the human race.

Suibian! A young man with a very casual name, living a casual life. Then, he was casually killed by a flower pot, and thus entered the world of Demon Slayer! He became Tokito Muichiro's older brother, Tokito Ichiro! From then on, his life began to be more than casual...

When Tanjiro Kamado stepped into Nada Spider Mountain, a huge screen appeared in the sky.

The question-and-answer system has officially started. As long as you answer the questions, you can get various rewards, including but not limited to "resurrection", "turning back into a human", "blue red spider lily", etc., to solve your unsatisfactory wishes!

After resurrecting his wife, Akaza said: "I am Fist Pillar. Muzan, I will *your Sage!"

Shinobu Kocho: "I have a gentle personality? Wait until I get the reward and you will know what a killing angel is [sinister smile]."

Agatsuma Zenitsu: "Grandpa was forced to commit suicide? I'll show you what a fucking thunder pillar is! What a fucking thunder pillar is!"

Douma: "The punishment is to experience extreme pain? There's such a good thing?!"

Mitsuri Kanroji: "Eh?! Mr. Iguro likes me? Then I'll confess right now!!!"

Kokushibo: "I want to resurrect Yunichi. Even if Muzan comes, he can't stop me. I said it!"; Muzan: "You are really my living father."

Tomioka Giyu: "I want to be the most popular person [cold face]."

Muzan Kibutsuji: "The reward is a blue Higanbana?! As long as I can get it, I'll do anything~"

......

Is the plot difficult to accept?

Through questions and answers, all of them were changed to perfect endings!

(cp: After chapter 20, I will not promote the official version, only Komare and Snakereen)

Synopsis of the novel "The Great Wilderness Demon Suppressor": The novel "The Great Wilderness Demon Suppressor" is written by Chu Longshen. It's a fantasy novel. The story follows a man who, thinking he was destined for an ordinary life, unexpectedly discovers he can cultivate his own power. He thought he was about to marry a princess, but in the blink of an eye, she becomes an empress, and he becomes her man. He thought he could happily be a kept man, but inexplicably becomes the Demon Suppressor of the human race. From then on, he has no taboos, and drawing his sword is for justice. In a chaotic world of immortals and martial arts, demons roam freely, evil gods descend, and humanity is doomed? Heh, not at all. As long as I live, I will suppress all immortals, demons, dragons, and ancient evil gods with a single sword. (21 chapters of "The Great Wilderness Demon Suppressor" are available. This is a free, stable, fast, professional, and ad-free novel.)

Having transmigrated into the world of Demon Slayer, Mugae became Muzan Kibutsuji's adopted son and became Kokushibo's apprentice to learn Moon Breathing. The young prince Mugae declared that with this identity, he could roam freely throughout the entire demon world!

Muzan Kibutsuji: He's such a filial son, I'm dying of filial piety. I never want to kill his father with Tamayo.

Domo: I treat Wuya like a young master. The young master always wants to treat me to wisteria flower tea, and he also likes to take me out to bask in the sun. He's so considerate!

Jade Pot: Young Master Wuya is a hypocrite. He says my pot is asymmetrical, but secretly he sells it for money!

Naruto: With Young Master Wuya's praise and recognition, my flute playing skills are getting better and better!

Lin Guang travels through the world of Demon Slayer and awakens the super treasure chest system!

In the world of Demon Slayer, treasure chests will appear as long as you kill demons; in the world of One Piece, treasure chests will appear as long as you defeat the navy and celestial dragons; in the world of Naruto, treasure chests will appear as long as you kill enemies.

So, Lin Guang continued to open boxes and conquer the world!

Si Jinkun, who traveled to the Demon Slayer world, shouted at the beginning: I don’t want to be a human being anymore!

He went completely crazy after arriving in the world of Demon Slayer

That shadow that has lingered for a thousand years—Muzan Kibutsuji! That pitiful creature who cowers in fear because of the curse, that false king who vainly seeks immortality!

All his struggles and blood ghost arts became futile jokes in front of Si Jinkun's ultimate body that combined the curse of the stone ghost face and the essence of countless ghosts!

He treats Wuzan as a high-end bun

It also forced the demons and the Demon Slayer Corps to join forces for the only time in a hundred years.

Many years later, Si Jinkun, who had already become a JO-level creature, looked at the world he had ruined and fell into deep thought.