MTL - Reincarnation: Demon Hunter - v20 Chapter 93 origin

Ji Ling, who was transmigrated into the notorious body, after settling the foreign debts owed by the original owner, was persecuted by peach blossom debts before, and then had a mother who wanted to exchange her for money.

Suddenly, in order to repay her kindness, Ji Ling married her benefactor’s grandson, an elderly young man, in a flash marriage.

In the days after marriage, she summed it up in one sentence: My daily life with the face-blind old rooster.

Gan! !

- Description from novelbuddy

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

Harem Dynast is the story of a princess set up in a political marriage with King Lorent, a great conqueror who is often mentioned in the Harem novels.

Regret filled Valyr as he witnessed Earth before him crumble into nothingness. Although he and the others had done everything they could, their efforts were all for naught as they stood powerless to stop the inevitable, causing billions upon billions of innocent lives to perish in the cold and unwelcoming darkness of space.

Indignant at the outcome, Valyr asked the heavens above to give him a second chance, a chance wherein he would make sure the inevitable didn’t happen. Though he knew that the likelihood of it happening was slim to none, surprisingly…

The heavens answered.

Opening his eyes, he swiftly found out his wish had been granted, in more ways than one at that. Not only was he brought back to the time where everything had yet to unfold, he was also reborn as an NPC in the game where everything started and everything ended.

The True Immersion VRMMORPG, Greater Beyond.

Utilizing his newfound advantages, in conjunction with his knowledge of the game and its various versions from his previous life, Valyr was going to make sure that what happened before wouldn’t happen again. And all of that began…

With him picking up the Blacksmith class.