Legend of Swordsman - Chapter 6457 - : Explode, Explode, Explode!

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

The Laughing Demon, Zǔ Zhòu, who had plunged the Nine Heavens into despair, met his demise by defying the Laws of the Dao. However, fate intervened. Transmigrated into a new body millions of years later, with his forbidden bloodline still bound to his soul, he seeks to live this new life as he did before, stopping at nothing, even if it means destroying the Heavenly Dao itself!

She is the rising (new) movie queen of the entertainment circle, who is also Beijing’s Ye Family long-lost Second Young Miss. Everyone knows that the Ye Family Eldest Young Miss is the chairman of Fenghai Group; Ye Family Third Young Master is a Major General of the military area; and yet, Ye family wants the second young miss to come back home, but she is just a flower vase (pretty face) of the entertainment industry.

Father doesn’t love her, Mother is not fond of her. However, no one knows that she is merely a vase on the surface. In fact, she is actually the top special agent that gives endless headaches to all international big shots. She, is higher (loftier) than the military industry added together!

But she didn’t imagine that, with one slip, she unexpectedly got bound to a system that draws energy from completing tasks.

From then on, she crossed numerous parallel worlds and rewrote all kinds of miserable lives. Regardless of which world, she lived flourishingly. But she did not expect to attract a mysterious force’s big shot during these tasks…

When she draws the energy to return to the summit of reality, With the body of Ye’s family second miss, she can have whatever she wants​, but the family business can’t accept it. It’s just that it’s not good to have a man who is always behind her, how can she be worthy of the title ‘Top Secret Agent’ given by the international big shots?!

Wait for her to unmask her identity, one by one, it is precisely the time for the Phoenix to overlook the land under the heavens.

One is a mysterious teenager who is frighteningly outstanding. The other is a top agent who is famous all over the world. It’s a love showdown between the strong and the strong.

- Description from Novelupdates

My memories of my past life returned when I hit my head on a rock. I am Katarina Claes, the eight-year-old daughter of a Duke. While I was struggling with a high fever, it was decided that I would become a prince’s fiancée. I have now realized that this is the world of an otome game I played in my previous life.

I also realized that I had become the villainous noble girl who got in the way of the protagonist and her capture target… if the protagonist got a good ending, I would be exiled from the country with only the clothes on my back, while in the bad ending, I would be killed by the capture target… where’s my good ending!? Do I only get bad endings!?

I want to overcome all the destruction flags somehow and reach old age!