The Heroine is My Stepsister, and I'm her Final Boss - Chapter 1: Despair and Death.

This is an absurd story of an empress who has traveled to modern times and still insists on rebuilding the Sannomiya Sixth Court without changing her nature.
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Su Junli was very depressed. She inherited a pair of red and green monster eyes, but she is a majestic queen, how could time and space change overnight, and the world was turned upside down, and the beautiful girl in front of her who claimed to be her “Mi Potato” The man called her to “grow vegetables”… You are the only one who grows vegetables, and your whole family grows vegetables. I am the queen!
Anyway, I can’t go back, but the thousands of subjects under the queen’s seat and the thousands of employees under the president’s command are actually the same in management. Since the original “Jun Li” is too useless, let her take over all of them , money, power, status, and of course, those high-quality men who make his heart beat…
An elegant and intellectual personal secretary, a sinister and cunning special assistant, a wild and domineering mafia king, a pure and natural childhood sweetheart, a ruthless No.
The Su family who killed without blood,
In the underworld filled with blood and gunpowder,
Talking and laughing about the ups and downs of the business empire,
Even if every step is frightening, one day, she will stand on top of the world!

- Description from novelbuddy

Ludwig Heart, the heir to a vast fortune and a life of luxury, craves only one thing: freedom from his gilded cage. But when a plane crash catapults him into a world of magic and danger, he awakens not as the hero he dreamed of, but as a victim in a twisted ritual. Trapped between the ambitions of dark necromancers and the wrath of vengeful gods, Ludwig must navigate a deadly new reality where his life is no longer his own. Stripped of privilege and resurrected as an undead pawn, Ludwig’s fight for survival will determine whether he reclaims his destiny—or becomes a mere footnote in a world of shadows and deceit.

The protagonist of the world where Lev Razanov lived had already achieved his happy ending. Meanwhile, the world continued to move forward. Until the protagonist betrayed humanity.[You have been killed by the main character.][Hero’s System successfully installed.][Do you wish to return to the past?]Lev was given a chance to return to a time when the story of his favorite novel had just begun.Although he was destined to become an extra villain—a pawn of the pawns serving the real villain, he vowed to end the lives of anyone who had caused him suffering.[Hero’s System inherits your desire from your life on Earth—the desire to do good.]“Who said killing your enemies is an evil act?”[You gain +10 kill points.][You gain +10 heroic points.]***Additional Tags: Second Chance, Past Play a Big Role, Game Elements, Handsome Male Lead.(Third Person Limited Pov.)

[Palace Intrigue + Sweet Doting + Not Purely Chaste + Heroine Focused on Her Career]

On the first day of her transmigration into the imperial harem, Jiang Xinyu was already out of favor.

Everyone said she was merely a pretty face without substance.

On the second day of her transmigration into the imperial harem, Jiang Xinyu regained the emperor’s favor.

From then on, she held the emperor’s heart firmly in her hands.

She fought monsters and leveled up, rising from a noble consort all the way to the honorable imperial consort, basking in unwavering favor.

Emperor Xuan Wu: At first, it was lust at first sight, but later I became truly captivated by her charms. Who knew this woman had so many more faces that I was unaware of?

Jiang Xinyu: The emperor is the harem’s highest-level boss with the thickest health bar. If I can deplete his health bar, I can become the supreme empress of this harem.

P.S. The heroine is solely focused on her career, yearning for riches and glory, a life of luxury and indulgence. She excels in all pursuits, with layer upon layer of schemes to conquer the emperor’s heart.