Re:Zero Kara Hajimeru Isekai Seikatsu - Arc 1 – Chapter 10: The Consequence For Loose Lips

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Gu Shanhai saw the great world of the heavens, and took the life of the third life.

The gods of the world forged an eternal Utopia with blood and fire.

The Red Dragon King led his knights to inspect the dynasty on which the sun never sets.

Scholars talked and laughed and swung their swords to draw thousands of miles of rivers and mountains, and strange demons opened their eyes and clawed to give birth to ghosts and monsters.

…

“Everyone is a player, you can’t call me abnormal because I don’t have digitization?”

- Description from novelbuddy

This novel is also known as My Apocalypse Domain

On doomsday, Tang Yu unexpectedly got the Lord of the End System, he remained very calm.

Lack of experts? I will construct a pub so I can make ten draws in a row; 　　

Lack of food? I can’t be too cheap with the large pack full of food supplies sent from the market;

Lack of safety? Arrow Tower, Mage Tower Artillery and all kinds of automatic defence buildings. Having many isn’t too many;

Lack of equipment? Workshop production must produce high-quality items. Sir, would you like one? We are having a 20% discount special at nine!

…………　

In short, this is a story of Great Lord Tang building up his territory, attacking some monsters, and ripping off…… Cough, making some money at the same time.

- Description from Novelupdates