I Have Refined Qi For 3000 Years! - Book 2: Chapter 4.1: It May Be A Bit Painful

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

[Regression: 31 times][Possession: 17 times][Reincarnation: 7 times]Kang Hanbit endured 55 cycles of regression and reincarnation, dragged to the brink by the Goddess.Just before his 56th journey, he gets sent back to reality, only to find his life intertwined with a game called the “Record Project.”But wait—this game’s world is identical to the other world?The 56th journey, which had yet to begin, now continues in the form of a game.

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

Despite having found Mingxi, the Zhao family continued to favor the fake daughter, saying that Mingxi was not as kind nor as graceful as Zhao Yuan.

Mingxi didn’t mind. She continued to work hard to please her family although they would always say that she was trying to rob their attention away from Zhao Yuan.

Until she died because of a terminal illness.

It was then that she realized that Zhao Yuan was the actual lady blessed by luck while she was merely this novel’s evil supporting character with a tragic ending.

Zhao Mingxi who was given a second chance at life was bitterly disappointed. She no longer cared about her family. Screw her family and her fiancé. She immediately packed her bags and left home, off to complete the task given by the system named ‘Becoming Friends With Fashionable and Valuable Characters’.

After she left, the house suddenly became cold and quiet.

By right they should feel at ease, but–

Her parents, her indifferent elder brother, her brash younger brother, Chen Liyao who was used to her pursuits were all successively feeling… unused to it?