Everything Was a Mistake - Chapter 4

The protagonist of the collapse of the three former civilizations is Dr. Mei. What is the end of logic, the strongest brain, super intelligence, this is the story of the strongest scientist of Honkai with knowledge of the moon becoming the god of science!

- Description from novelbuddy

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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# loveafterangst

When his wife and dream girl were kidnapped at the same time, he chose to save his fragile dream girl and left his devoted wife to the kidnappers. He had said to his wife, “Qiao An, you’ve always been smart, surely you can save yourself even if I leave you with the kidnappers. But Wei Xin can’t.” From this incident, Qiao An finally realized her husband’s true feelings.

Left to fend for herself, she chose to jump from a dilapidated building. To the scumbag’s horror, after his supposedly obedient wife was discharged from the hospital, she began raining down revenge on him and his dream girl. He was completely overwhelmed. After he lost everything, he came to realize that smart women should never be provoked. He decided to reconcile with his wife. However, his wife had found a new life with his uncle!