I Attained Invincibility In The Real World - Chapter 644 - 361: Successfully Merging with Another World

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.

Travel through Hokage to become Terumi Mei’s cousin, and become the second in command of Kirigakure Village! Simulate life with a god-level simulator! Get rewarded for doing evil in the simulator!

【Ding! Life simulation on]

[You were born in a commoner family of Konoha, but you have extremely strong Chakra reserves at birth]

【Seven years old, you started school and helped transfer student Kushina Uzumaki】

[Half a year later, Uzumaki Kushina confessed to you, and you accepted it calmly, but in the end suffered the grudge of Namikaze Minato]

[Three wars broke out! You were sent to the battlefield, but you were repeatedly stumbled by Namikaze Minato, you found the right opportunity to kill him]

[The war ended in your hands, and soon you married Uzumaki Kushina and gave birth to eight children]

[A happy and happy life is over, this simulation is rewarded: fairy body]

After the simulation is over, you ask Yakura to announce to Konoha as Mizukage: “You are going to propose marriage to Konoha Kushina!”

- Description from novelbuddy

A tale about the former leader of a special organization that served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world.

I, Rorschach, the god of the world, the most powerful Kryptonian, the leader of the Justice League, the founder of the Emperor Organization, the gravedigger of countless civilizations in the multiverse, the most handsome man in the world, there is no one!

…………

PS: The non-standard MCU universe can be regarded as a similar parallel universe. The timeline is based on this book, first Marvel Universe, then DC, X-Men…

- Description from novelbuddy