Legend of Wyatt - Chapter 363: Aya Willow, Dead!

Eldraus was once a normal world , peaceful, beautiful and full of life, much like Earth.But everything changed when the Beast Mutation began.Animals started turning into terrifying monsters larger, stronger, and unnaturally violent. Kingdoms fell. Cities burned. Humanity was pushed to the edge of extinction.Then came the System, a mysterious power that awakened within humans, granting them abilities to fight back. Over time, the system became a part of everyday life. Every person now awakens with a System, ranked from the weakest gray to the legendary black and above.This is a world where strength rules, and the weak are left behind.Kaelen Maglor, son of a noble, awakens with a rare black support system. People mock him, expecting him to be a healer. But Kaelen has no intention of following their path. He chooses to walk his own.With danger rising and powerful enemies lurking, Kaelen enters a deadly academy that trains the next generation of fighters. There, he will uncover secrets, face deadly trials, and learn that the system that grants power... might also be hiding a terrifying truth.In a world where monsters roam and only the strong survive, Kaelen must prove that even support can become unstoppable.

The strongest doesn’t need cheats.Haruka, a high schooler who spends his life as a “loner,” is suddenly summoned to another world with his classmates.Noticing the god in front of him, Haruka was going to get cheat abilities by picking what he wanted from the skill list so that he could live in the other world――or so he thought, but the skills were first come, first serve.All the cheat skills were taken by my classmates?!After not being able to get any amazing skills, Haruka’s “loner” skill made him unable to join any parties. Even in another world, he’ll adventure in solitude.Haruka, recognizing the crisis of his classmates, decided to secretly help them out while not relying on cheats. He’ll surpass cheats as he walks the path of the strongest――.Let the curtains raise for the tale about the strongest loner’s attack on the different world!

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

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