In 1945 Urakami was not yet considered part of Nagasaki, and, Otake writes, was home to both the Kakure Kirisitan religious minority and Japan's "untouchable" dowa social caste.
En 1945, Urakami encara no era considerat part de Nagasaki, i a més, afegeix Otake, era llar tant de la minoria religiosa Kakure Kirishitan com de la casta social d'"intocables" del Japó, els Buraku.