Overpowered Villain Returnee in the Apocalypse - System is for Losers - Chapter 12: End of Scenario 1

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 legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

(MATURE CONTENT)I GOT HIT BY A TRUCK AND GOT INTO A STEAMY RELATIONSHIP WITH TWO FREAKING ALPHAS!I guess I was facing Karma. Who knew I'd be reincarnated into an alternate universe as a BOY?! And I became a BETA!why didn't I become an OMEGA? Afterall, I was more pretty than any male omega out there, probably because I was a girl in my last life.Well, living the life of a boy is so much easier. That way, I can do stuff I always snuck to do. Hehe. Ahem!Anyway, I got an apartment with two hot Alpha hunks, who I assumed to be dating but they weren't. They were something like friends with benefits.I somehow get involved in their 'relationship' and have to spend my day with at least one of them.It was exhausting but fulfilling.By the way, there seems to be something weird going on with my body. Do Betas become Omegas overnight?It might just be me being overly sensitive but just in case...If you wanna know more about what I'm talking about, read this new story. You'll like it.*********Check out the next generation of this book,To Byul (Omegaverse)And then my other book,It's Just A Picture (BL)

Once reborn, the most miserable real daughter Xia Zhi caught the fake daughter and her fiancé in bed!

The first sword in rebirth is to kill the person who betrayed your heart first.

Watch her golden cicada shed its shell and go to the frontier to let the birds fly high in the sky.

Summer Solstice: From the first time I met Zhou Zhengan on the train and handed me a steamed bun, this person has been haunting me. He appears around me every time I eat, and he is attentive to picking up food for me and giving me food. Fill with meat.

You have to give yourself a taste of any good thing first.

While Xia Zhi was enjoying the meal, he warned himself that this person was a diligent person who had nothing to do and was either a traitor or a thief.

Xia Zhi, who finally saw the world, became Zhou Zhengan’s wife.

Zhou Zhengan: Zhou Zhengan, who has had no sense of taste since childhood, met a girl on the train who was drooling at the steamed bun in her hand. The kind girl broke off half of the steamed bun she gave him. From then on, Zhou Zhengan opened up a new world of taste.

Every time he eats, he can taste the food that Xia Zhi has tasted.

He was hanging around Xia Zhi, why did Xia Zhi want to marry someone?

Who dares to snatch my wife?

- Description from novelbuddy