Nonbendarari na Tenseisha: Binbou Nouka wo Mankitsu su

A man working at a mediocre company with no highs or lows gets into an accident and is reincarnated into another world as Aul, the eldest son of a poor farming family.
He vows to live a slow and carefree life—but the new world is full of things it lacks.
“If it doesn’t exist, I’ll make it!”
Armed with modern knowledge and magic, he dives into a DIY lifestyle in the countryside.