[Time travel + action-packed + invincible + just do it! + mainly crossover anime and curse stories] The protagonist has a strong aversion to Japan, so just read it and be done with it.

Also known as: [To kill more Japanese devils, this god quietly becomes the biggest villain behind the scenes]

Chapter 31 Entering the Modern Era.

Congratulations on being chosen as the god of the new world! After becoming a god, Niko not only built a world of unity of multiple worlds, but also immediately took Ryomen Sukuna as his disciple!

Unexpectedly, in order to make the protagonist's life more interesting, the system started off in an unbelievable way.

At the age of 3, Zenji Naoki said: "Son-in-law, you're in charge of the future!"

At age 5, Xia Youjie said: She will be my wife!

Megumi Fushiguro: Did you ask me how I felt?

Kotoko Iwanaga: Absolutely not! She wants to rule the entire universe!

Shigeo Kageyama: Gojo-sensei, I don't want to go to school here!

Gojou: I'll teach you how to expand your domain!

Thus began the life of Koko, who, despite being invincible, had to become a student at the Tokyo Metropolitan Jujutsu Higher Specialized School.

Upon waking, Nobita finds himself sixty years behind in technology. In the town of Tsukimidai, all memories of Doraemon vanish along with the regressed era. After a series of twists and turns, Nobita and his friends learn the truth: an unprecedented, massive, and trans-temporal war is unfolding, its target the future where humanity's technology is booming. The dominoes hidden in the past have already fallen, about to form a colossal wave that will engulf every era of humanity. The only clue is a snapshot taken across time. On September 19, 1492, at the center of the temporal vortex, the Time Police captured a photograph of the back of a blue nursing cat-shaped robot. This becomes the catalyst for Nobita and his friends being drawn into this trans-temporal heist. As they uncover more and more clues across different eras, a massive conspiracy gradually surfaces.

College student Niu Ma travels to the world of Crayon Shin-chan

Shin-chan: Little Qiuqiu, you have to call me brother!

Xiao Kui: Ahhhhh!

Nohara Aki: The life of a salted fish is so good

Xiaobai: Woof woof

[Gantz + No IQ Loss + Comprehensive Anime + No Female Lead (Single?) =? ? ?]

Traveling through time and becoming Okahachiro, this time, I'm going to kill the devil!

The evolved system: "Stealing the protagonist's opportunity will get you more rewards, Master~"

Chen Ming: "Steal? They're all mine!"

…

System: "Master, I was wrong!!"

Nishi Joichiro: "He really has changed..."

Izumi: "If it's him, maybe he can really succeed..."

Fuuinzaemon: "Oka, let's see who of us has killed more bosses?"

Xing: "Brother Oka is mine, Leijia, don't take it away!"

Reika's face turned red: "Oka, やめて!"

(The world view is inspired by Slaughter, and there will be a lot of secondary creations, please be tolerant)