Grim Reaper in the Apocalypse: Reaping Immortals - Chapter 6: Grass

After a god screws up and accidentally takes high schooler Shou’s life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble’s son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he’s a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What’s more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright and cool!

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

An ordinary student accidentally traveled into an other universe and became the king of a small kingdom. He had gotten a “Cheating Code” of life and was able to complete something extraordinary. This is the story about a king that was able to conquer continents and leave behind him an ultimate legend that will be recited between every generation to come.

After an accidental electric shock, Jackson traversed into a parallel world filled with supreme beings—beings whose might and strength could hold the skies on their shoulder.

At first, Jackson preconceived the idea that he’d only traversed on the other side of the world, the United States, until that is various peculiarities popped up.

While watching the news channel, Jackson wondered whose the big green guy jumping up and down the buildings of New York without care.

Who is that bodybuilder statue donned in a red-blue uniform standing tall and proud in the Memorial Hall?

And who is that man flying the skies with a big hammer calling himself a God?

Jackson wondered if he should advise his parents to move away from New York.

But after a moment of thought, Jackson pulled out his mobile phone and dialed a number. “Mr. Stark, for the safety of mankind, I think it’s necessary to discuss the developments of technology and advanced armors with you.”

This is the story of a young man living in the world of Marvel who only wished to live a quiet and stable life but as fate would have it, fate had other plans for him.

Author’s Note: The story is based on the Marvel World.

- Description from Novelupdates