I Became a Plutocrat in World War I: Starting with Saving France - Chapter 22 - Twenty-Two 990,000 Francs

Marauders shot Yuan in the head and buried him in a ditch. They thought it would be enough to put him down. They were wrong.Rising from the dead by the will of the Gun, demigod of revenge and firearms, Yuan only has one goal in mind: track down his murderers across the Unmade World and slaughter every last one of them. With the bullet-core stuck in his skull marking him as a Gunsoul, he can finally teach these arrogant cultivators a lesson they’ll never forget.But revenge isn’t so easy to claim. To carve out a path through the wasteland, Yuan will have to face power-hungry sects, nuclear cultivators, and weapon-gods. Let them come. No one will bury him again.He’ll give them all a taste of Bullet Hell.

Mason was a mercenary, until the day he died on a mission after being betrayed by his unit.

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

Back to the end of Ming Dynasty, he was reduced to a slave.

This emperor, a beggar can do it, a slave can do it, a bandit can do it, but a house slave can’t do it?

- Description from novelbuddy