Rise of the White Devil - Chapter 47: Recovering

Arakawa Kouki is reincarnated to a Japan with a different history than the Japan he knows with the memories of his previous life still intact. Kouki was discouraged, “Aren’t reincarnation stories supposed to be at some fantasy world filled with swords, magic and elves?!”

The simulation is over, and the entry is obtained: a showdown!

Looking at this entry, Zhao Meng was stunned.

“How should this term be used?”

“Hey! Here’s a wounded fox!”

…

A few years later, a woman who looked like a fairy appeared in front of him, and said:

“My lord, I’m here to repay my favor!”

This book is also called “Starting from Transforming Monsters”

- Description from novelbuddy

【The latest update for 'Age of Ice' has been completed, heralding the era of open beta testing for all. In one minute, every human on Blue Star will be thrown into this game.】Starting with a small bonfire, this is your range of activity.You must continually gather materials and upgrade the level of your bonfire.Bonfire → Large Bonfire → Furnace → Energy Tower → Super Energy StationBy unlocking more buildings and recruiting various troops, build your power in this extremely harsh world.Having just crossed over, Cao Xing accidentally activates the sole hidden SSS-grade talent: Eternal Power.At that moment, he discovers a beautiful Saozi (sister-in-law) accompanying him...With their hidden talent, they cooperate and gradually expand and strengthen their territory!As they explore the vast world beyond, more secrets of this expansive world come to light...

I returned after 10 years.