I Don’t Want This Reincarnation - Chapter 0: Prologue

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

When Fang Jin learned that he was in a cultivation novel where the protagonist was a lady and that he had become cannon fodder, he quickly racked his brain to think of a way to save himself.

Everything seemed wrong until he saw it.

[First day as a pet owner.]

[Attractiveness +1]

…

[A day of cultivation with zero gain.]

[Understanding +1]

[Post-apocalyptic + System Space + Stockpiling + Base Building + Strong Female Lead + Reverse Harem + Not a Mary Sue]Who says a five-year-old can only be a burden?Cloud Xiaoxiao, a formidable survivor in the post-apocalyptic world, is reborn six days before the apocalypse hits. Unloved by both parents and unwanted after their divorce, she decides to take matters into her own hands.At just five years old, she goes on a rampage. She empties out her father’s supermarkets and 4S car dealerships, landing him in the hospital.Armed with a super system in a world ravaged by zombies, extreme temperatures, and acid rain, she hoards enough supplies to last several lifetimes. She becomes a base-building maniac, constructing the strongest fortress in the post-apocalyptic world.Sunny Boy Next Door: “Little one, want big brother to sing you a lullaby?”Unlucky Bandit: “Kid, what do you want? I’ll get it for you.”Cool Big Brother: “Don’t be afraid. I’m here.”Yandere Hottie: “Little one, call me big brother and I’ll kill them all for you. How about that?”Hot-Tempered Brawler: “Shorty, who’s bullying you? I’ll beat them to death!”…Cloud Xiaoxiao hastily raises her hand, “Stop, stop! I can take on ten at once!”“Whoever dares to bully me, I’ll finish them off myself!”(This story has no romantic pairings. Readers who mind this, please be cautious.)(The female lead appears innocent on the outside but is actually a wolf in sheep’s clothing. Her personality was shaped by the post-apocalyptic world, growing beyond the bounds of normal rules. So she’s a bit ruthless, a bit wild, a bit wicked…)

“Will you marry me, Anais?” The male lead proposed to me. “What about Selena?” “Selena doesn’t matter. You’re the only one I’m interested in now.” Even without a hint of interest in the female lead. “I’m sorry, but I…” Before I could even utter my refusal, the refreshing sound of coins rang in my ears. [asdf has donated 100 points!] Accept and get ten thousand points “Shall we go pick out a ring first?” Forget about conscience; if it’s fun, that’s all that matters.