MTL - Pass Through 80s: A Notoriety - Chapter 471 How many times is this?

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

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

Lives are a currency, and Noah Vines is rich.Reincarnated into the body of a poisoned magic school professor, Noah is given more than just a second chance at life. Every time he dies, his body reforms. With infinite variations of runic magic to discover and with death as a painful soul wound rather than a final end, Noah finally has a chance to wander the lands of the living once again. And this time, he plans to get strong enough to make sure that he never has to wait around in the afterlife again.

Cayena, the Imperial Princess, was known as the most beautiful woman in the Empire. She was a woman who knew nothing but evil and luxury.

However, she was destined for ruin: she would be used as a chess piece by her younger brother to secure his throne and killed by her crazy husband.

“I’ll make you the Emperor.”

“… Sister, are you referring to me?”

“In exchange, give me freedom.”

She had to change things before she became that Cayena.