DxD: Matsuda? - Chapter 124: The Satan Gold Show?

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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Layland Kleinhaus (17) suffers from hypogonadism that makes him less “manly” on top of having a girly face. He is bullied because of it, but he always remains strong ... At least, until he can't bear the betrayals and sufferings anymore.

Filled with rage, indignation, and the lust for blood, he decided to end the life of his tormentors along with the bystanders before taking his own life.

Alas, in the middle of his deed, a mysterious being intervenes the act by summoning him and the rest of the bastards he is killing to another world. He curses his bad luck for not being able to fulfill his revenge because of it, but much to his surprise, there is something much better than having his revenge waiting for him.

“Layland... Be a Demon King.”

Thus, his journey of becoming the unparalleled Demon King begins.

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Those who know me are already in the know of my “condition”—minor dyslexia. So, if you find any misspell or 'wtf does this even mean' words, I hope you can pardon me from the insult, and notify me instead.

Living a dual life, Lucas was a meek boy in school and a Wire Knight on the Internet at night. Surprisingly, he's asked out on a date by one of the most beautiful girls in school.

However, the date ends after a bizarre sequence of unfortunate events, he gets isekaid into another world.

Lucas received a rebellious system and some strange pills as rewards which released the dormant evil within him. He has to control the rooting darkness coming from the previous protagonist of that place and learn how to control his power.

The system promises to fulfil one wish if he will win the game he was sent to. This motivates him to help his sister to get better and become healthy again, he must obey the system and win the game to be granted that wish no matter what.

To form a team with another human, an elf and a so-called 'sex machine'. Lucas has to collect all the avatars and learn how to control them, wield the weapons that were given to him and win the tournament of the place by killing the black wizard.

Time is quickly ticking and there's a huge mess for him to reverse. Starting from his date who suddenly was transformed into a dragon!

#HeiressShi Ran encountered an accident and transmigrated into a novel. She became a small-time cannon fodder supporting character in the story and was also a fake daughter who was not as good as the female lead of the plot. It was probably easier to just stop trying so hard and let herself go. Anti-fans: “Our Feifei’s skills are killing it!”The next day, Shi Ran’s first drama was released, and her seven-second appearance in the clip became viral on the internet, overshadowing the female lead, Shi Wenfei. It was smooth sailing for Shi Ran after that, and she even won the best actress award in one fell swoop. Anti-fans: “Our Feifei can sing and even write her own songs. What can Shi Ran do?”Elite Emperor: I won the Best Golden Song Award this time, and it’s all thanks to my awesome composer @ShiRan!Anti-fans: “!!!”One day, when a live stream was ongoing, anti-fans poured into the channel frantically, abusing the bullet comments and cursing in barrages. Anti-fans: “Our Feifei has gotten engaged with Young Master Zhou! Her fiance is tall, rich, and handsome! He pampers her, unlike you, who's unwanted!” “Babe, where are my things?” A man’s deep, magnetic voice silenced the barrages of comments. In the next second, a man with an enchanting look appeared in front of the camera. Everyone was shocked! It was the Chu family’s future head, Chu Jinchen! The man’s black eyes swept across the barrage of comments flying on the page. Pretending to be puzzled, he said, “The Zhou family? Who’re they?”Shi Ran looked at him, who was obviously humblebragging, and said, “I’m live streaming now.” “Why don’t you live stream something more interesting?” Saying that, the man leaned closer and behaved intimately. Everyone watching broke out into indulgent smiles. Then the camera went black, and the live stream ended. Everyone slammed their keyboards frantically. No! Continue the live stream! Come on! The next day…#Actress goes public with her relationship# was on the hot search. Chu Jinchen: “You’re finally willing to go public with me, Baby!”Shi Ran: “...Are you sure you didn’t pay to put that headline in the hot search?”