Ahhh, the usual "Japanese kid finds himself in a world where slaves are bought as fuckdolls or are worked to death and has no problem buying one for himself" trope.
Wew, if I hadn't seen this in the last 10 isekais!
Lmao imagine people bitching about him spending just one million out of the 40 million he has on a settlement that can provide tons of goods and resources, which in turn can be traded by, guess what, money.
Also how the fuck is he not going to be able to teach them about fertilizer production...