Ninja World: I Have a Life Simulator - Chapter 245 - : Akira Uchiha, The Key Difference Between Two Timelines

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.

There was once an innocent little boy who was about to graduate high school. But suddenly, a truck ran him over before he could step foot in adult life.From his cruel twist of fate, he learns that after a person dies, they simply go to a result screen—a simple score system based on how publicly known they are.Being the nobody, he only had enough points to use the wheel spin—three shots that would determine his upcoming life.The wheel first landed on females, crushing his hope of keeping his gender. But he wasn't just going to give up so easily as the male section remained.The next spin didn't land on what he hoped for.With one last shot, he slammed the button and prayed. A miracle, almost as if god answered his prayer, appeared right before his eyes as it landed on a male.“Thank you, god! I knew you'd never give up on me like that——Wait, what do you mean that's a bug?”Before he could say anything, he was reborn into a fantasy world where magic and cultivation coexist.Want to find out what he got for his upcoming adventure? Well, let's just say he experiences the three stages of grief with his awful luck.

At 3 years of age, her father went missing. At 15, the muscle in her hand snapped. At 16, her mother passed away in a car accident. At 19, she was framed by her uncle. At 22, she was burned alive by her newly- wedded husband and her best friend. Perhaps it was God’s sympathy that allowed her to return to the time when she was 15 years old to re-live once more. The previous lifetime of being low- key and having forbearance resulted in betrayal and misery. In this lifetime, she must be lofty and domineering to let those who have bullied her suffer a terrible end!

- Description from Novelupdates

This is a world where a king is the most powerful.