MTL - Invincible Non-stop Upgrading System - Chapter 822 You can choose to quit or die

Criminal Psychologist, Su Xiao Pei, who was an leftover woman in her modern life, was informed by the God Of Marriage, Yue Lao, that her destined lover was in a car accident, his soul was sent to another world. Su Xiao Pei was ordered to bring back this strange man who was connected to her by the red string of fate. Otherwise, she will live the rest of her life in loneliness, with no one to support her.
But how does that man look? No idea.
What’s his personality like? No idea.
What does he do for a living? No idea.
Can she not go? Of course not.
Su Xiaopei, who believes in all things logical has run up against a serious wall this time.
The bottom line: This is a story about a modern female psychologist who has traveled back in time and an adorable warrior as they talk about love and solve crimes.

- Description from Novelupdates

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 heavy curtains of night descended, darkness fell upon the earth. What will later be known as the dawn of the “Dark” era, humanity once again unfolded a new path of evolution. While retaining the memories of surviving ten years in the apocalyptic world, Ye Chen awakens back on the very day the disaster struck; all he can do is protect the people dear to him, and then….

With the might of an ant, set foot upon the pinnacle of this world!

The people lost in the thralls of everyday life, aimlessly struggling for survival in this world, move forward; there will surely be a path only you can open….

- Description from Novelupdates

Sang Qianqian, the eldest daughter of the Sang family, was eighteen when she fell in love with Shen Hanyu at first sight.”I love you, Shen Hanyu.” “But I don’t,” Shen Hanyu replied ruthlessly, his every word determined. “Not now, not ever.”

Furious, the wealthy daughter planned her revenge against Shen Hanyu but somehow discovered that he would eventually become a cold-blooded, tyrannical big-shot who would destroy her family! Her spite towards him skyrocketed, but after she left, he missed Sang Qianqian like crazy, who was now leading a carefree life after moving far away and faking her death. Suddenly, she heard the news that Shen Hanyu, now a magnate and seemingly crazier, had her grave exhumed and was now on the search for her. Alarmed, she quickly packed up her things to go on the run again… only to find the man himself standing outside her door, breathing through gritted teeth, “Running again? Go for it.”Knowing that escape was futile, Sang Qianqian changed her approach and tried to charm her way out of the dangerous situation, only to fail and end up submitting herself.***

Years later, realizing she had been tricked, Sang Qianqiang threw the divorce papers in front of Shen Hanyu. “I want a divorce!”Shen Qianyu simply pulled her into his arms and leaned in for a kiss. Pulling away after a long while, he asked hoarsely, “Still want a divorce?”Left dazed by the kiss, Song Qianqian mumbled, “N-No…” “Then call me darling.” “D-Darling…”Shen Hanyu nodded in satisfaction. “Good girl.”