My Understanding Defies Heaven: I Create Laws and Preach In the Heavens - Chapter 10: One person controls one country

Eren Idril died as an old, decrepit, and piss-poor adventurer by the maws of a D-Rank monster. He had a lot of unfulfilled dreams and desires that couldn't see the light of the day after the light in his own eyes died down.

But fortunately for him and unfortunately for the world, that wasn't his end. Eren was somehow dived back in time when he was a mere teen, attending Lionheart Academy for adventurers.

When life gives him a second chance, Eren decides to exploit it to its fullest. Experience his vile deeds as he partakes in them without feeling the slightest bit of hesitation.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Orlax Tirshtain is the villain in the global game [Unification of Empires]. The tyrannical, cold-blooded emperor is a man who slaughtered his own family with his own hands and ascended the throne with their blood—a power-obsessed madman. Despite five years having passed since the game’s release, no one has been able to defeat this lunatic. So, how the hell did I become this damned?????

Gu Qingyu, a licensed psychiatrist in the modern times, is thrown into turmoil.

Her own unjust death, a new world, and much more awaits her!

『A sudden attack from a shadowed figure in a hospital!

She reaches out with one wish on her mind as her blood flows out,

“I-I don’t want to die! S-Somebody save me!”

In the midst of her desperate cries, a mysterious being receives her wish and relocates her into a new body and world!』

Thrown into an ancient era without any warning, she discovers magic, monsters, and localities to explore!

On her journey through the four empires, she encounters hardships, meets new people and builds new relationships, all while trying to evade losing yet another life!

『New situations thrown at her at every turn, a comedic story of love, friendship and trust! Follow Gu Qingyu and her friends’ adventures through the four empires and her path to survival!』