MTL - I! The Villain Licks the Dog’s Father, Specializing In All Kinds of Protagonists - Chapter 6 I don't take rubbish!

Kanzaki Ryoma transmigrated into the world of Tokyo Ghoul and began fusing with Uchiha Madara. Determined to bring an end to this twisted world, he chose to implement the “Eye of the Moon Plan” and ultimately activated the Infinite Tsukuyomi!

In a world where the strong rule, Ben is mistreated and humiliated. What happens when someone weak has the opportunity to gain power by doing bad deeds?(Revenge, action,sexo, violence)

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

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