MTL - Reborn with an Old Enemy on the Day of our Marriage - ~ 89. Who is the big adventure?

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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Yuanbao was born in ancient times, the only girl in three generations, the nickname is Jiaojiao, the big name is Bao, this is a proper script for the group favorite heroine.

However, Zhuangzi next door suddenly came to the young lady of the high official’s family in the city.

This young lady is a direct descendant, but her mother passed away early, her father continued, and the young lady was not welcomed, so she was sent out of the city.

“There is an ominous foreboding!”

Yuan Bao thought so.

“Little sister, you see how pitiful the little sister is, can’t you be a little sympathetic?”

A brother looked at the lady next door with pity on his face.

Yuanbao raised his hand and a pot lid flew over: “People are pitiful? They don’t have to worry about food and clothing, do they need you to be pitiful?”

“Good fight!”

Grandfather, grandmother, father, mother, many brothers, clapped their hands together.

A certain young lady is knowledgeable and reasonable, and said, “Being habitual is like killing a child. Your sister needs to be well educated!”

“roll!”

A brother stared directly, “My little sister is beautiful and kind, which one likes her?”

- Description from novelbuddy

A mysterious black card issues a different amount of money each week and Shi Lei must spend it all within a week’s time. Otherwise, he will be welcomed by the black card’s punishments.

“Spending money is really tiring.” —- Shi Lei said.

“I will set a small goal first, such as spend a hundred million……” —- Shi Lei said in self-satisfaction.

“The one thing I regret the most in life is having infinite money to burn without a choice.” —- Shi Lei finally said.

- Description from Novelupdates

Accidentally got a game, the script in it is colorful: demons, ghosts, weirdness, demons… let Wang Hao embark on an unexpected path.

[This is a journey across dimensions, we explore the unknown, but get more unknowns; we resist fear, but get more fear. 】

[When humans lose their way in the dark, I will be their pioneer, burn my heart and light the way forward! 】

- Description from novelbuddy