Naruto: The Strongest Kakashi - Chapter 36

When Lin Chu met the ridiculously rich and affluent Yan Beicheng, she did not expect him to act like an immature hooligan, shameless in every way whenever they bumped into each other. Yet, every encounter had him come to her rescue, from saving her from the humiliation of watching her ex-boyfriend marrying her adopted sister, to whisking her away from petty colleagues and lecherous clients.Whether this is true kindness remains to be seen, as he never forgets to take advantage of her whenever he can. Is there something between them or is he just having fun with her?

- Description from Novelupdates

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

What’s worse than finding out you’re that Louis XIV when you’re a baby?

Of course there is, for example, it’s still a magic version.

- Description from novelbuddy

A happy and fulfilled life, everyone wanted that. Rio was no exception, he too wanted to feel joy and fulfillment.

But how many actually achieved that?

He didn't know, but he knew that he was not part of those.

Rio, a part time editor of a webnovel called, The Last Stand, transmigrated inside the world of the novel. Not as a main character, nor as a villain, not even a student.

But as a professor.

A simple extra, professor that was never even mentioned in the story. Through some circumstances, he was the mentor of the main cast of characters.

Armed with knowledge of the future, treasures of the world, and skills of different origins. He would raise these students to their utmost as early as possible. He felt that there would be no problem.

However, as time marches forward he realizes everything was not as simple as he thought.

The plot, or the future, as he knew it was going further down the rails. The body he occupied had a mysterious identity. A higher existence watches over him.

Realizing the implications, he gave up on staying low key and unknown. He will strive, live, and survive admist this world of cruelty.

A world set in a modern futuristic setting where cults roam free, capitalism corruption rises, demons and other races exist.

However, even if he survived and lived, will he even feel happinness and fulfillment? He didn't know, but he will live still.