The Billionaire's Multiplier System - Chapter 29: The Heavenly Group Stirs

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy

Zou Liang, an otaku with a passionate interest in a fighting game came into a world governed by the beast tribes.

There the ones with high martial ability were respected.

Extreme beauties were a little silly.

This guy felt depressed. Such a crazy really could force a civilized people like him to turn crazy!

Scoundrel Zou began his unrestrained and destructive journey in the Beast God Continent.

Rules? There are no rules!

Principles? His actions defined the principles!

Occupations? Occupations were as unimportant as fleeting clouds. What he sought was omnipotence!

In a different world, Zou held the same passion.

This is a story of a nobody becoming the great conqueror—step by step—as a human, filled with touching emotions, explosive anger, and hot blood forever!

- Description from Novelupdates

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

Version 1:

Jiang Mianmian time traveled.

Her father had an insidious scholar’s face but a sinister heart.

Her mother had a merciful bodhisattva’s face but a vicious mind.

Her elder brother looked honest but was evil inside.

Her second sister was selfish and foul-mouthed.

They were destined to be villains from birth, to contrast the protagonist’s righteousness, kindness and greatness. They did all kinds of bad things, were covered in filth, fell into an abyss, and came to no good end.

Jiang Mianmian – With the magical spring in hand, weak and timid, she could only let her family live a bit longer…

Version 2:

In her previous life, Mianmian’s family died out early.

In this life:

She married the most popular duke.

She became sworn sisters with the rebel leader.

Ungrateful and unfilial.

Disloyal and unrighteous.

No integrity.

But they all lived, with the family intact.

…

Version 3

Reader’s summary: Father is Medusa, mother is polar bear, brother is evil wolf, sister is coyote, heroine is panda, moving mountains and overwhelming the world, only selling cuteness.