The manga takes place in Italy in 19xx. The mafia must pick out a new leader and there are two candidates, but they've known each other since childhood as rivals. One of the candidates finds out a secret about the other, and uses it to his advantage. He

Ryoichi Ishikawa, a young man who lost his father, who was his only relative, and also decided to close the electrical shop that he and his father had been working on.From a strange matter, I choose to transfer to another world by my own will. It was supp