Nidome no Yuusha - Chapter 3: The Hero amused himself by stomping

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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This is the story of Ryo, who was reincarnated in the world of swords and magic.It is a story of the royal road to survive using the magic of water attribute.What is magic? What is swordsmanship?How does it relate to the laws of physics that we know?Or what is politics? What is a nation?Why are there many 『kingdoms』 in reincarnation stories? Will republics not work?Can it be written …?Since it is a water-based magician, so it shall start with 『Hydrogen bond』!

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates

Recently, major news broke out in A City. A rich family discovered that the daughter they had raised for eighteen years was not their biological offspring. The real young lady was found, and the fake young lady was sent away. Lu Ning was now a beautiful swan who had turned into an ugly duckling. Everybody waited for the opportunity to laugh at her. They wanted to see how she would survive after being pampered like a princess for eighteen years. However, Lu Ning wasn’t afraid at all. So what if she was poor? All she had to do was earn money. But before she could bring wealth to her family, they brought her home and started counting stacks of cash. Her eldest brother, a business mogul, offered her a few companies.

“These are all yours now. There are more if you want them. You can choose anything from dining, entertainment, fashion, theme parks, and any industry you can think of.” “Ning, would you like to participate in a talent show? I’ll write you a recommendation letter,” her second brother, a major celebrity, asked. Even her youngest brother, a computer expert, said, “Sis, whoever says bad things about you on the internet will never get to use it again.” “…” Lu Ning was speechless. Wasn’t her family poor and useless?

“Ning, if you don’t like gold, I’ll get someone to bring you diamonds instead. You can have diamonds embedded in all your clothes. What do you think? Hang on. I’ll get someone to do it right away!” Lu Ning’s mother said.”Ning, are you getting bored of the black card? Why don’t I give you one with a credit limit? Is 50,000,000 enough?” Lu Ning’s father asked. “Huh?” Lu Ning was confused. Wasn’t her family so poor that they couldn’t even pay off their mortgage? Lu Ning didn’t even have any opportunity to contribute. There was nothing for her to do.

However…”Come and be our boss!” A secret organization approached her.”Come and be my successor!” The director of a research center approached her.”Is this never going to end? I just want to be an ordinary person!” Lu Ning exclaimed. “Baby! Come into my arms!” Mr. Huo, an extremely wealthy man, arrived at top speed.