When the era changed on Blue Star, its people were no longer satisfied with the resources available there. They set their sights on other worlds.
And so, all kinds of Awakened on Blue Star forced open the doors of other people's homes and took everything.
"Have you heard? In his domain, there are tens of thousands of vengeful spirits from other worlds..."
P.S. The first few chapters are mostly transitional. After about forty or fifty thousand words, the protagonist goes out on behalf of his family to do the hard labor of expanding their territory.
If you don't like the transition at the beginning, you can skip ahead and take a look.