The Demon Queen's Contract - Chapter 89: We need to find out who attacked us

In the world of Kyushu, players full of resentment gathered together, dripped blood as an alliance, and vowed to make the big devil go away.

For a time, all directions responded, the wind was surging, and everyone saw a better tomorrow.

Except for Lubei.

He is the so-called devil.

“Say I’m the devil, blame me for pitting you, I’m an NPC, how could I pit you, that’s how immortals are!”

- Description from novelbuddy

This is a world filled with despair, teeming with hordes of corpses, mutated creatures, poisonous plants, demons, and gods.The human societal system has completely transformed, with no justice, no righteousness, only might and slaughter.The strong can oppress the weak at will, human order has utterly collapsed, and the law of the jungle reigns supreme. In this world, weakness is the original sin!Some lucky humans have awakened extraordinary abilities, becoming Evolvers, and have risen to the top, possessing wealth, resources, beautiful women, and status.Qin Jun crosses into this doomsday world, awakening the Great Villain System at the start. As long as you are villainous enough, SSS-level talents, gene serums, and potential points are all within reach.Perhaps in the doomsday world, only villains can climb step by step to the peak…

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.