Kami no gyakuten:The yamato hero - Chapter 16: River of the Forgotten

The Night Has Come, and kermesinus moon ascends in the sky.Hoarse whispers flow at the street corners, and brass steam machines spew out bloody mist.Your brain is singing a hymn, eyes are chanting a melody.Skin cracks, and flesh buds swell.Amidst the Mist, the wall of flesh that has devoured thousands of corpses wails endlessly—“Weep not, our players don't bite, they just want to play with you.”Annan, the lone strategist, the top player, the savior of the mist-covered continent, the leader of the Thirteen Saints, the friend of the Twelve True Gods, the king of pioneers, “the Just”, the Gatekeeper of the Fourth Calamity, the uncrowned deity, advised kindly.

There were five heroes who fought against Erebos, the primordial evil that drove the world to the brink of destruction. [Brave] Aron. [God’s Blacksmith] Dweno. [The Founder of the Nebula] Luna. [King of Wisdom] Risinas. Lastly, me [The Hero of Beginning] Kyle. When I was reincarnated 5000 years later, everyone was praised as a Legendary hero. “Except me.” A gift from God that records the achievements of heroes. The Hero Academy with Hero Records. Let’s go there and find out why.

Tang Sect, the most famous martial arts sect of all. By stealing its most secret teachings to fulfill his dreams, Tang San committed an unforgivable crime. With his ambition attained, he hands his legacy to the sect and throws himself from the fearsome “Hell’s Peak.”

But he could have never imagined that this would reincarnate him in another world, one without magic, martial arts, and grudges. A land where only the mystical souls of battle lay.

The continent of Douluo.

How will Tang San survive in this unknown environment? With a new road to follow, a new legend begins…

- Description from Novelupdates

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)