Muh chopsticks, check.
Muh woman only do kitchen stuff, check.
Muh these people are so stupid who don't even know basic tribal stuff but somehow they have a working village, check.
He haves the blacksmith skill so he's probably gonna make the incredible exotic sword that kills gods aka the Japanese Katana.
There's also the posibility of muh miso soup but he's a construction worker so it will be weird, he will probably make a "Japanese" onsen instead, that's how some human villagers would come to live there.
God, you have to love japancel manga.