Married to the Male Lead's Brother - Chapter 37:

Rimu Dynasty, Kingdom of chaos. Demons were rampant, and it was difficult for people to live.

Gu Qing’an had not yet had the opportunity to appreciate his beauty upon transmigrating in this world, as he had to face the demon who targeted and devoured humans.

Fortunately, she had a system.

“I, Gu Qingan, have never been weaker than others. System, add it to me.”

……

Many years later, Gu Qing’an, standing on the frozen void, looked at the newly discovered strange world under her feet without any expression.

“Compared to human beings, alien existence is a demon,” she thought to herself.

“Then, are all creatures in this entire world considered demons?”

- Description from Novelupdates

The world was destroyed, the apocalypse descended, a new era began, and the right to survive as a Lord was granted to every person.Domains, Heroes, Troops, Treasures, Resources—all of the countless servers constructed by the myriad continents were opened up.Qin Muye looked at his panel, which was akin to cannon fodder, and his domain with its damaged suffix, and felt a strong urge to cry but no tears would come.No divine talent, no hidden hints, no overpowered Profession.“If that's the case, then I'll just have to adapt and live in a different way.”

Shunned by her pack as the Traitor's daughter, Natalie Cross—a werewolf without a wolf—has endured more pain than most could imagine. Forced to bear the mark of a ruthless alpha, rejected by her destined mate, and ultimately banished, she finds herself alone and unwelcome among her kind. With the Alpha's scent branding her as untouchable, no other pack will take her in.Desperate and discarded, Natalie hides among humans, scraping by in a world that doesn’t know or care about her true identity. But everything changes when she crosses paths with an adorable wolf pup—and its enigmatic, wealthy owner. The man offers his help, something no one else has dared to do.Yet, kindness feels like a foreign concept to Natalie. Can she trust this stranger who harbours secrets as deep as her own? Or is his generosity just another trap, promising a fate darker than the one she’s already survived?

Transmigrating to the disciples of the Demon Sect, and relying on the skill modifier to become a giant of the Demon Dao.

[Detected the technique “Blood Nerve”, relying on devouring blood to practice]

[Side effects: easily affected by the spirit contained in the blood, becoming bloodthirsty, bloodthirsty, mad, and even brain dead]

[Please wait a moment, the system is being modified…]

[Ding! The modification is complete, and the side effects are cancelled]

- Description from novelbuddy