My Father in Law is Lu Bu - Chapter 610

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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The world’s largest VRMMO, Conviction, was almost like a second world for humanity. It had integrated itself into the real world’s economy, with both corporations and individuals seeking their fortunes through the game.

In this game, Nie Yan prided himself in his Level 180 Thief. He could barely be considered among the top experts in the game. Though, that was the only thing he could take pride in. He was penniless and unable to advance in life; a situation he was forced into by the enemy of his father. If it weren’t for the little money he made by selling off items in Conviction, he would’ve barely been able to eat. In the end, he chose to settle his matters once and for all. He assassinated his father’s enemy. He lay dying shortly after being shot in the pursuit.

However, that wasn’t the end of his story. Instead, he awoke moments later to find that he had reincarnated into his past self. Armed with his experience and knowledge of future events, he sets out to live his life anew.

There are only two things in Bai Tang’s life that are deeply rooted in her heart. One, fighting and killing, and two, tempering her treasure sword, Canglan.

What? Let her guide the blackened big boss? Since when is she the type to do such a meticulous work?

Hence.

“The host really doesn’t play the cards according to common sense at all!” System 168’s heart expressed extreme fatigue.

Wen Su, who came from the abyss full of bones, said, “If my family and friends loathe me, then I will disregard human relations and disown all blood relatives. If the whole world loathe me, then let blood flows into rivers.”

Bai Tang: Good boy, I will feed and clothe you, give you housing and transportation, poems and distance will also give you. Just be a good person! I will not point a sword at your heart, nor imprison your body with an iron cage.

Wen Su: Oh, but the only thing I want is a wife just like you.

I was in the abyss, but then you came in carrying a poisonous light. But why weren’t you burned by the poison? Since then, unable to forget, I put away my body full of spikes and thorns.

A slow burn love story about a female black lotus big boss VS a scheming villain.

- Description from Novelupdates

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.