Catastrophe Card King - Chapter 6 - : Hidden Mainline Trigger

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.

You were taken to another world by a ghost ship.

You are uneasy.

There are ravings in your ears, accompanied by weird bgm, you sing and dance rap in pain.

You pick up a magic lamp, and after making a wish, it says it’s just a lamp.

You are impoverished, and you swear by your personality that you made a deal with the devil, and in the end the devil was sold by you.

You are walking on the road, and you meet a down-and-out princess who is begging for a child with a lot of money, and you yell “Mom~” in the street out of the principle of helping others

In the middle of the night, you flipped through the pages of “Ten Thousand and One Nights” in your hand, and your excitement became stronger and stronger…

- Description from novelbuddy

The little princess of the Huo family, one of the wealthiest families, was mistakenly switched out nineteen years ago! The fake heiress is well-educated, talented, and doted on, while the real heiress is an uncontrollable girl who loves to fight, has a strange personality, and had dropped out of school very early…