[No system + Western fantasy + team adventure + combat + slow heat + soft and hard core + suspense]
The engineer traveled through a different world, carrying a devil's contract and previous combat experience, and embarked on a journey of finding roots and fighting under the double moon.
Here you will see:
Why does the shrinkage rate of the glue line become the watershed between pirated reels and genuine reels?
How the warrior version of Hogwarts teaches dungeon geometry and enemy surface control.
How the protagonist uses his previous workplace experience to fight against the devil.
Chinese enlightenment, Japanese squad, Western devil, you name it.