Passerby Villain In A Wizard World - Chapter 182: The Hidden Companion

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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Lu Gu got a marriage on behalf of his brother and married the fierce hunter in Qingxi Village. No matter how wronged he was, under the coercion of beatings, he was still put on the sedan chair.

How could the Shen family gave up on marrying such a ridiculous thing. After a tumultuous fight, Lu Gu was brought back to the Shen family. He was ready to tremble and seek life.

Who knew that the days after marriage were far less difficult than he imagined, and he could even fill his stomach without having to be beaten. Shen Xuanqing also bought him chickens and ducklings, and built a fence in the backyard to raise chickens and ducks for him. Lu Gu squatted in the backyard and touched the chickens and ducks. After the panic, he was full of joy. Shen Xuanqing said that these were all his.

For the first time, Shen Xuanqing, who was about to go out was stopped by Lu Gu timidly, holding the corner of his clothes. He saw his little fulang showing a short and shy smile, handing over a small bag of fine flour cakes, saying that it was the food for him who was going into the mountains.

Shen Xuanqing was nibbling on the cakes expressionlessly in the mountains, but in his heart he was thinking that the little fulang was good and diligent. He looked good when he smiled, but he was too thin.

- Description from Novelupdates

My name is Joo In-gong. The name that my parents gave me meant ‘protagonist’ of the world. Really?

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.