MTL - The Legendary Mechanic (Transcendental Mechanic) - ~ Chapter 33 His value

This is a story about a graduate student of ancient Chinese who was repeatedly trampled on the road to employment, and returned to the middle of the Ming Dynasty and entered the body of a young child in a mountain village. There are many disputes in the farmyard With a dull father, a fierce mother, and a group of extremely bad relatives. Fortunately, we have thousands of years of historical accumulation, the Four Books and Five Classics, and the Eight-part Essays, and the majors are also suitable. Who says that it is difficult for a poor family to produce a noble son? The national strength has risen, and the rule of law has been relaxed; the law and discipline are lax, and the official discipline is lazy; there are a few treacherous ministers, and there are also some Japanese pirates; but overall, it can be said that this is a fertile ground for the free growth of scholars and officials. A legend of the rise of a poor family also grew from here

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

The happiest thing in the world is to be able to amend what you have done wrong. She who acted willfully because of a game, was reincarnated into a time when she still had her parents’ love.

For the sake of her family, she began her life as a pro gamer.

But this time, she was no longer the Human Sorceress that she was familiar with. She was an Elven Huntress. Could she still acquire the power to be the Right Hand of God?

- Description from Novelupdates

Set on a giant, almost finished bridge between Sadogashima and Niigata. Abandoned by the government, the bridge, and the giant man-made floating island at the center, has become a city of criminals and societal drop-outs.

Set in the same world as Durarara, but 15-20 years later. There is almost no overlap between Etsusa Bridge and the other novels.