The Bakufu modernized its army through the assistance of French military missions (Jules Brunet), and Japan later relied on France for several aspects of its modernization, particularly the development of a shipbuilding industry during the early years of the Imperial Japanese Navy (Emile Bertin), and the development of a Legal code.
France derived part of its modern artistic inspiration from Japanese art, essentially through Japonism and its influence on Impressionism, and almost completely relied on Japan for its prosperous silk industry.
She is not his wife, she is not mother to his children, she is not his parents' daughter-in-law.
The love of your life just might be a married man." Being part of any couple can be challenging and unpredictable, as we all know.
Recently France has been very involved in trade and cultural exchange initiatives with Japan.
Some people see this as being a result of former French president Jacques Chirac being a Japanophile.
Your own survival is crucial, and if you do happen to fall in love with a married man, there are several hard truths you need to know. The needs of the many (namely, his family) will always outweigh your needs.
His family will always come first, and that includes his wife. The beginning of an affair is romantic and naughty at the same time.