MTL - Rebirth of the Rich and Wealthy - ~ 5, protect her, high-profile overbearing

[Unique Trait – Those you meet will remember you. No matter what happens, they will remember you forever.] In a world on the brink of ruin, people summoned to save it are categorized as heroes and extraterrestrial workers, abbreviated as “foreign workers.”For some reason, I became a foreign worker who is loved by transcendents that view humans as mere insects.

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

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.