Primordial Sin System - Chapter 523-Fooling a demon lord

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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When the last prodigy level esper on Earth disappeared, Earth was in deep trouble of becoming another species’ colony. The ordinary Han, with his intelligence and hardworking character, was able to make a fortune after “accidentally” stepping into the world of dark net, later purchasing an esper power crystal that brought him the ultimate power that changed the fate of the universe.

Welcome to Freia. A continent where evil magi ruled. Until firearms came, that is. Now the people live free of those demons…

Jiang Ning, who was in the boudoir, was pregnant and entered the second room of Jiang’s family with a lame leg, just as he met the emperor to choose a concubine for King Yu.

The noble ladies of the noble family participated in the selection of the concubine with all their strength, but the flower fell on the head of Jiang Ning, who was watching the fun.

Jiang Ning: “???”

She didn’t dare to let King Yu be the receiver, she tried her best to tell others that she was pregnant, but the whole world didn’t believe it.

She vomited, and they laughed at her pretending to be sick.

She was sleepy, and they laughed at her for pretending to be weak.

She had a big belly, and they laughed at her for eating too much.

Jiang Ning wanted the doctor’s proof, but all the eighteen doctors he found were of the same caliber: You just ate too much!

***

King Yu, a handsome and handsome young man, raised his eyes to look at the blue sky, as bright as a jade tree in front of the wind.

This is the description of the fifth emperor of the emperor’s family by the people of Chang’an City.

But the real King Yu is ruthless and cruel, and only takes advantage of women.

He knew that the second lady of the Jiang family was Bai Yueguang of the emperor’s father, and that the daughter the Jiang family had just found looked exactly the same as the second lady of the Jiang family when she was young.

So, even though the girl was lame, he still threw the embroidery in his hand into her arms.

***

After marriage, he knew that he was a successor, but for the sake of the throne, even if he hated her extremely, he still pretended to spoil her until…

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