Set in Nagasaki, Puccini’s Madama Butterfly of 1904-07, with a libretto by Giuseppe Giacoso and Luigi Illica, explores the relationship between the American naval officer Pinkerton and Cio-Cio-San from the city’s Omara district. Cio-Cio-San, who Pinkerton knows as Madam Butterfly, takes their love so seriously that she converts to Christianity, and is consequently ostracised by her family. He, on the other hand, sees their marriage as being akin to his Japanese house,...