Gimai Seikatsu - Days With My Step Sister - Chapter 52: Prologue

“Live the life you want this time.”

A peerless assassin, codename: Hua, has already started her career ever since she was a child. Her mission’s record was perfect and whoever deemed to be her enemies would end up dead without knowing why.

When war ended, she was sent to an institution where she was watched heavily. The doctor in charge gave her an ordinary wuxia novel to read.

An avalanche struck after she had finished reading.

When she woke up, she had turned into Nan Hua, the young miss

Three thousand years of bowing down to the Demon Lord, I would rather be a mortal than a celestial being when looking back, but for her I will… become one who controls life and death!

His name is Gao Yang (高阳), not a lamb (羔羊: gāo yáng), okay! If a gentle sheep gets upset, it will bite. Believe it or not!

Gao Yang a sheep in wolf’s clothes: Don’t come again! Otherwise, I will be rude!
Qin Shaoyan: Oh? Why not?
Gao Yang: I… I… won’t cook for you!
Qin Shaoyan: It doesn’t matter, just eat you.
Gao Xun: What if Dad dies after being eaten by Father? Waiting online, urgent!

- 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