Hell's Actor - Chapter 47: Divine Tragedy

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

Elyzara Thorne was just an ordinary woman until she died in the dumbest way possible. One moment she was walking down the street, the next, she was choking on a piece of candy and face-planting into the afterlife. Before she could even process her own stupidity, a snarky system appeared and dumped her into the body of a newborn baby.Sounds bad? Oh, it gets worse.Her new moms are the most terrifying tyrants the world has ever seen two ridiculously powerful empresses who rule with an iron fist, burn cities for fun, and make their enemies weep in fear. The entire kingdom is one bad day away from rebellion, and Elyzara’s new mission (whether she likes it or not) is to stop these two overpowered warlords from getting themselves overthrown.The problem?• She’s a literal infant.• Her moms worship the ground she drools on and think she’s the best thing since world domination.• Everyone around her is scared shitless of her “divine presence,” making diplomacy nearly impossible.Can Elyzara stop her bloodthirsty parents from committing war crimes before she’s old enough to walk? Or is she doomed to be the adorable mascot of tyranny?

He transmigrated and got a system but Lin Feng’s pressure is as big as a mountain.