Synopsis: I Won 4 Billion in a Lottery But I Went to Another World

Upon winning a 4 Billion Yen lottery, I decided to leave my company job. However, I found myself in an alternate world where I engaged in significant volunteer work, helping a struggling village by utilizing contemporary Japanese materials and technology sourced from the home center. What might occur if I introduced modern home electrical appliances from Japan into this setting? Furthermore, it appears that I would develop feelings for a beautiful girl residing in the village.