Permanent Martial Arts - Chapter 1922 - : Killing a Peak Origin Beast!

The Return of the Condor Heroes by Jin Yong was first serialized in newspapers from between 20 May 1959 and 5 July 1961.

This is the second book of the Condor Trilogy. The story has undergone two revisions. The second edition was released in May 1976 and and the third edition was published in January 2003.

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

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......'

She was born into a powerful family of the nobility, a blue-blooded aristocrat as capable as any man. He rose from humble origins up the military ranks, an iron-blooded knight with high ambitions. A transaction for power severed her from her childhood sweetheart. A tardy encounter was the beginning of his and her vow to meet life and death under heaven, standing shoulder to shoulder.

Political intrigue, dynastic succession struggles. He trampled through it all in the toil of becoming emperor.

Old enmities became new disputes, concerning life and death of entire families. She entered once more into the palace, changing the entire political climate of their world.

Meeting once again, they had become strangers. The peach blossom were all fallen, no more than a golden age grown cold.

- Description from Novelupdates