MTL - Cosma Empire - v4 Chapter 1277 conclude

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

The person whom the world revolves around.

Kain may not have been very popular, and his life felt dull, but everything changed instantly. When he wasn't at work, he immersed himself in reading and watching anime. Then, the unexpected happened.He woke up in a new world, confronted by a blue interface hovering before him. Join the journey to see how Kain will adapt and thrive in this extraordinary reality.-No Harem- Noobie Writer.

After putting in over 8000 hours into the game, he had achieved the status of being a true no-life god. Sadly, one day his save data disappeared and the shock of losing so many hours of effort killed him.However, this was not the end, for he awoke surrounded by the world that before now, he had only seen through a screen. This is the story of Zephyrus, who uses his gaming knowledge to enjoy his time in the new world.