Good news: I got a door between two worlds, behind the door is an unexplored new world.

I have just been optimized and am idle at home. All I can do is dig for gold, resell some handicrafts, and become the richest man in the world.

Bad news: Why the hell are there monsters? Demons? Magic? Oh no, we've run into a tough opponent.

But it doesn’t matter. When in doubt, just use artillery fire.

What? You're saying we can't buy guns or cannons?

You can always buy plane tickets!

Sent to the island country.

Enter the village quietly and don't shoot with a gun.

Come to a hearty and weird revival!

…

This book is also known as "What should you do if you encounter demons in a different world? Don't panic, use the gate between the two worlds to send them to the island country first..."

…

The current world——the ruined Fulilian...

The subsequent world - Demon Slayer (...

A 21st-century otaku travels to the pirate world and becomes Gol D. Rakshasa, the nephew and adopted son of the Pirate King, Gol D. Roger! Possessing what's hailed as the most powerful summoning system in history, the World Government declares, "I have CP0-CP9." Gol D. Rakshasa: "I have the Eight Swords of Yue, Guigu Zongheng, the Three Sages of Confucianism, and Shadow Secret Zhang Han." The Navy declares, "We have the Marshal, the Three Admirals, the Admiral Candidates, and the Hero Garp." Gol D. Rakshasa: "I have Squad Zero, the Gotei 13, the Ten Espadas of Kuroyoru, and the Masked Corps!" P.S. A new author and new book, please collect and recommend! It's signed, so rest assured!

Chiya Otonashi travels to the demon-ridden world of Chainsaw Man and acquires the Mangekyō Sharingan's Kamui, and even double Kamui! [After writing Chainsaw Man, I'll probably write about a variety show. The anime I'll be traveling through are tentatively: Attack on Titan, Black Bullet, Akame ga Slash, Tokyo Ghoul... (in no particular order)]

Bai Ye travels to a bizarre alternate world where food is everything and becomes a chef. He thought he'd live an ordinary life, but he gradually discovers that strange things keep intruding into this world. What the hell are gourmet cells?

[Knowing joy is the unique right of intelligent creatures, and the joy system encourages the host to enjoy the joy of life! 】

Chen Ming, a security guard who has avoided 40 years of detours, suddenly found that he had awakened a system, and he grinned out loud.

With his many years of experience in reading novels, as long as the protagonist awakens the system, he will get a happy time like a dream...

Now, it is finally his turn to enjoy it.

Breaking the dimensional wall, facing the two-dimensional beautiful girls that he dared not dream of before, Chen Ming decided to give them a warm home...

Main world: "I am so happy!!!"

World No. 1: "The world's top assassin, reincarnated as a noble in another world"

World No. 2: "Reincarnation without a Job"

...

Until Chen Ming confirmed that he was invincible.

Me? Do whatever I want!

What, protect the world?

I want to protect my world!

And, I don't eat beef!

——

PS: Harem, steady, cool, not a saint, killing indiscriminately, blood flowing like a river.

PSS: Chen Ming is neither a good man nor a bad man. We generally call traditional men like him ancestor men!

Ling Shu traveled through time and space, bringing the 'Genshin System' with him to the labyrinthine city of Orario. "Can I summon weapons and characters I draw in real life?" That's great. But... "Why do I have to choose a villain family to join at the start?" That's a real problem. PS: This is a fanfiction.

I only know what I know, and I'm only interested in what I don't know. I'm Gogenunuwen, just an ordinary explorer. Volume 16: Jujutsu Kaisen Volume 15: Code Geass: Lelouch of the Rebellion Volume 14: Interlude Volume 13: Naruto Volume 12: Kamiyama High School F4 Volume 11: Interlude Volume 10: JoJo's Bizarre Adventure Volume 9: Interlude Volume 8: Demon Slayer Volume 7: Interlude Volume 6: Fullmetal Alchemist Volume 5 [Sixty Setsuna]

Demon Lord! A symbol of terror and evil! Killing and death are associated with him! In a magic country, a being was summoned. This being was the most demon lord unlike of all demon lords in history.

“Your majesty demon lord, please sign a document here. But please be careful not to put your hand at the wrong place.”

“Your majesty Ya Lin, human army are invading us but I will protect you with my life!”

“Hate you! Don’t come closer! You are a real pervert demon! I hate such demon the most!”

O God, what is this? I just wish to be an ordinary person with carefree life and stuffed with food till death. Why I am the one who will become the future husband of the demon princess, the future demon lord? And also completing a near impossible task ——-resurrecting my mother-in-law? Luckily becoming a demon does have its own benefits, granting each demon ability to cultivate skills.

However, what type of circumstances are this, mission going to other worlds and conquer them?