Naruto: The Outsider's Resolve - Chapter 1.25 (025):

Ban Yu-won can understand all the languages in existence. He was able to translate every language, modify it.

As a child, when Ban Yu-won first learned about the existence of the fictional building called the Tower of Babel in the Bible, his respectable grandfather told him it was their ancestors who built it.

“The Tower of Babel was completed without collapse, and people have the wrong idea.”

One day, out of the blue, the Union Academy practical exam began. Finding traces of his ancestors at the academy, Ban Yu-won decides to enroll in the academy full of monsters.

Being taken away of all his freedom, Noah was thrown into the jail accused of a murder he hadn't committed.

This incident broke his personality permanently, getting out of the jail Noah started living as a shut-in giving up at everything.

Noah read novels as a mean to pass his time, while reading novels an particular novel caught his eyes, it's name was 'the hero of velveric fights the demon lord'

'It's a harem novel......'

That was what Noah had thought in the beginning but, it all changed at the end of the novel.

'What the Hell's with this crazy novel!'

The protagonist and all his harem members were killed and in the end the demon Lord took over the world.

It was then, after finishing reading the novel, Noah started coughing out blood and succumbed to his lung disease.

Opening his eyes Noah found himself in a body of a 8 year old kid of the Melvix family which appeared in that crazy novel.

He was known as the garbage of the Melvix family by all the knights and family members but that didn't matter to Noah. What matter is that-

'It's impossible to survive in the novel if you are not strong enough......'

I woke up in my sleep, and a strange door appeared in my home…Behind every door is a strange world.

In the nightmare world, Jiang Cheng added the news from the strong man to the fat man, and he almost cried when he heard the latter, “If you die here, the whole family will stand upside down and bleed?”

“Is such that.”

“Then I don’t think you are too scared?” The fat man widened his eyes.

Jiang Cheng turned his head and said in a very formal tone: “Because I am an orphan.”

- Description from novelbuddy

Ye Muyu, an elite of the modern company, got married and had children directly after time travel. She became the lady of an ancient scholar and the mother of two children, and she also found out that there was a “sister-in-law” who hated her very much.

Not only that, but there is also a ‘reborn’ female supporting role Tang Rou who covets her position everywhere.

Tang Rou: “Your position is mine, and I will be the first-rank madam in the future.”

Ye Muyu looked at the dark-faced man in front of him, and nodded calmly: “Okay.”

A certain man instantly protected Ye Moyu: “You It’s my wife, don’t even try to get rid of me, idlers, get out.”

The son hugged Ye Muyu’s thigh: “Go away, my mother is so nice, if you dare to bully her, I will bite you to death.”

The daughter held Ye Muyu’s arm Arm: “You are a bad person, my mother is the best mother in the world, if you dare to speak ill of my mother, I will report to the police.”

Seeing the happy family of ‘Ye Shi’, the reborn Tang Rou secretly hated her Grinding: It shouldn’t be like this, everything has changed!

- Description from novelbuddy