Blood apostle - Chapter 74

The free-spirited and brutally honest Ye Zhen Zhen was unwillingly chosen as Empress to the playboy Emperor Ji Wu Jiu. Their very first wedding night, she kicked the Emperor down from their bed and he sought out his concubine instead. This completely disastrous start was only the beginning of their eventful life together.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

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

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.