Studies on Japanese-Brazilian relations, though thoroughly researched, do not always consider the possible influence of Portuguese diplomacy on policies facilitating Japanese immigration to Brazil. This presentation will focus on Wenceslau osé de Souza Moraes, a pioneer of Lusophone diplomacy in Japan. Moraes’s writings reveal a fascination with the concept of self-sacrifice and an emphasis on commonalities between Portugal and Japan. His exemplars of self-sacrifice, especially by women, will be explored on moral and practical levels to elucidate the author’s reverent, albeit complicated, perspective toward women.