Demon's Diary - Chapter 1545: Desperate Means

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

Lee Se-Hoon, the blacksmith of humanity’s last desperate united force, fought against the demons until the very end. However, the result was mutual destruction, with the world coming to an end. The moment he took his own life over that futile conclusion—

“…What is this?”

He had regressed to his days as a candidate at the hero training institution, Babel Academy. Having obtained a second chance, he swore to use anything as material to gain victory this time. Anything at all!

From the moment they set foot on the colony spacecraft, 10 million volunteers started a new journey.
This book is about farming in the early stage, and fighting for hegemony in the middle and later stages.
Guan Gong fights Qin Qiong, and Chitu wants to turn into a dragon. As an online game for hegemony, famous officials and generals in Chinese history are indispensable.
In addition, some non-human intelligent races left over from prehistory are active in this era that belongs only to human beings, adding luster to the new glory.
Everything starts from the island, let us follow the footsteps of the protagonist, keep moving forward, and create a new great

- Description from novelbuddy

Year 2056, in a city in the Yuan Jiang Su Jin area. On top of a ruined, shattered six story residential apartment sits a teenager wearing a combat vest, militaristic trousers, and alloyed battle boots. On his back is a hexagonal shield and equipped is a blood-shadow battle knife. He sits there silently on the edge of the roof. At this time, the sparkling sky was shining and there was a refreshing breath within the air that blew towards him. However, there was only silence within the ruined, deserted city, with an occasional howl that makes your heart skip a beat.

- Description from novelupdates