This is really not mechanical ascension - Chapter 62 - Detection Device Upgrade - Genetic Radiation Device (Seeking First Subscription!)

Chosen by the System, Jing Ling, each time she was completing a task would harvest a bunch of scum males.

The accumulated grievance caused her to have an accident while performing the task. Reborn in a parallel time and space to a seventeen year old body, although the gender has changed from female to male, the various attributes and skills that were redeemed from the system were still there.

Looking in the mirror at a face that could cause the downfall of a country and its people, Jing Ling’s infuriatingly arrogant smile emerged.

—

Don’t be afraid, this time I don’t want you. Change your girlfriend 🙂

- Description from Novelupdates

WARNING: The MC is NOT a demon! For an explanation of the title, please see the post we made specifically addressing this matter.

Ling Xiao was an orphan fighting for survival in a dog eat dog world. There were some who had the power to enjoy a life of comfort, unconcerned with worldly matters, while most struggled to survive. He was of the second kind.

When he celebrated his sixth birthday, his father left him to the wolves with only a token to defend himself. He struggled to earn a living, scrambling together whatever scraps he could gather; fighting with the dogs for food and fighting with the homeless for shelter.

But that all changed on a fortuitous day, when a demon invaded his home. In a world of deception and plotting, one tasked with seeking revenge for the man who gave him a second lease on life, how would Ling Xiao fare?

- Description from Novelupdates

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

Bruised and abused...Life had never been kind to him.Evan, an orphan, was adopted only to serve as a means to accomplish his blood-sucking parents' goals. Just as he was trying to break free from their grasp, his parents offended a celebrity, resulting in them being ganged up on by the celebrity's fans.If all those hardships weren't enough, God played another joke with him.[It's evident that your life is quite sad. The main reason behind your misfortunes lies with your parents, so take these steps to free yourself from your suffering.][Quest: Kill your parents within the stipulated time]- Assets amounting to 1 billion dollarsTime left: 00:00:59“Damn, are you threatening me? Want me to kill others and become a criminal on the very first task? I reject it. Let's see what you can do.”And in the next second, he found himself pushed over the railing and falling down.He thought he would die but...[The Host has passed the test.]