Strongest Survival by Otome Game’s Heroine (LN) - Vol 3 Chapter 14: Madman

Kiyoshiro Takeda lived a life without purpose, drifting through his days with no direction. But one fateful moment changes everything. Now, he finds himself in a world unlike any he has ever known, given a role he never asked for. A new life, an unknown destiny, and a looming catastrophe that only he can prevent. But can someone who failed in his old life truly become the last hope?

Humanity was on the brink of destruction. Muyoung, an assassin from the Forest of Death, fell to his knees. There were corpses all around him. For years, he had worked for the Forest of Death and had finally been able to eradicate them. Now, he, himself, was about to die. He closed his eyes as he felt his heart stop beating.

After rebirth, she, who used to be a top international spy, becomes the eldest daughter of the Fengs, a fat girl who is ugly and foolish in the eyes of the ordinary people.
Mastering Royal 18 Saber Moves and Purgatory 9 Palms, she rose to fame with the martial arts of Demon Cook.
Upon an imperial edict, she was ennobled as the wife of Lord Cen, and then suffered various intrigues and plots…
She proved herself to be a real overmatch and a true genius to the world…

[Infinite Anime Stream] Fifty years ago, the game “Infinite World” came to the planet Terra, and all humans became players. Through the experience of the copy world, it is expected to become a powerhouse that surpasses mortals.

Terra has also changed as a result, “Infinite World” has become the most direct, fair and cruel way to ascend the class, and elite players have also become the existence standing at the top of this world.

Lu Feng came from the earth.

“This Infinite World game is actually the reincarnation space in the infinite stream novel, and this place actually treats the reincarnation space as a daily routine!”

“Ha, it turns out that the copy worlds are all two-dimensional animations and novels on Earth.”

As the only player with his own dungeon world story library, Lu Feng said that this time-travel benefit is absolutely full.

- Description from novelbuddy