Naruto: Konoha's Kanpu - Chapter 1005: Practical Combat Training

The alien world is too fierce!

There are goblins.

As Lin Ye who can travel back and forth between other worlds and reality.

The most important thing in another world is to be alive!

The other world is too cruel, so dog!

Go back to modern times!

If you really can’t hold on, don’t be afraid, he still has an on-hook system.

Boiling can kill people!

This book is also known as: I was obedient in another world, and I returned to reality to strike hard

- Description from novelbuddy

I was born into a prestigious martial family, yet I was nothing but a useless person with no talent whatsoever.At least, that was the case until I was trapped in a dream.[You cannot die here.][You can not lose your mind here.][Time does not move in this place.][You cannot leave until you reach the extreme.]Geniuses and fools—people say these are two unchangeable truths of the world.They claimed that I could never enter certain realms because I was a complete fool.But when a human body and soul are thrown into the extremes of time, they adapt.[Congratulations. You have reached the extreme.]Now, it is time to leave.

Instead of causing chaos with my knowledge of the original work, I assisted the protagonist.

I successfully completed the story and now planned to retire and live peacefully.

However, it seems the protagonist still needs my help.

An academy professor? That’s nothing much.

But why is the state of the academy so strange?”

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.