The Invincible Corruption Manual - Chapter 299 CHAPTER 298: Original Volume Of Universal Beast Taming Encyclopedia!

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

Su Yuan was reborn into a cultivation world, only to find that it was filled with hardships. No talent, no resources, no background.Luckily, he activated a system and obtained some truly game-changing perks![Work Hard, Rest Hard] : You’re a master of balancing effort and relaxation. The longer you rest, the better your cultivation results.While others are sweating it out in seclusion, Su Yuan is goofing off and roasting meat.While others are studying profound Daoist techniques, Su Yuan is flipping through miscellaneous books.While others are tempering their bodies, Su Yuan is watching folk dances.While others are perfecting their skills, Su Yuan is practicing his fishing technique.In short, Su Yuan has gone all in on the “lie-flat and cultivate” lifestyle and never looked back.As for the system pushing him to become famous?Whoever wants fame is a d*mn fool!

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

Failing in his job hunting, Sanada Kyouichirou was hopeless in this society. When kyouichirou had thrown himself towards the bottom of a cliff. When he woke up his body had returned towards when he was in fifth grade of elementary school. He did not want to have any regrets in this life so he had decided on building up an harem in this second life.

The elder sister that he admired, a senior and president of the student council at a school for rich young girls, a strong minded upper classman at school. The poison fang of Kyouichirou who had pretended to be a innocent child attacks those girls.