MTL - Princess a Lives By Kissing Me Every Day - Chapter 37

The price for saving the world is the right to rule it. After saving a faraway land, Lyn Rivers was cast back to Earth. Wanting the admiration, prestige, and glory of saving that realm, she forced her way back. But she was forgotten, and someone else claimed credit for her deeds. Now, with the power of a deity of destruction, she desires nothing more than to claim her place in history. To do that she will conquer dungeons, make alliances, destroy kingdoms, and build an empire. After all, why ruin the world when you can bend it to your will?

If you had a chance to live again, what would you do? Earn money, hold onto a thick leg, just find someone to live a happy life with? Ha ha… Stepping on the beat of the times, riding the wind and breaking the waves, strategizing, using your knowledge to change yourself, and everything around you, come back! The reality flows to the plot, the golden fingers are thick, slow, and cool.

- Description from Novelupdates

Luan Bednicker, the youngest son of the “Great House.”But… I have no blessings?“The Failure of the Lord of Blood and Iron”“The Fool of Bednicker”I wandered seeking a place to die, away from the clan’s contempt.But then…“You? You’re my disciple, you little shit.”The greatest of all time.The one unparalleled among men.The perfect superhuman.I became the youngest disciple of Baek Nogwang?

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