"In the end, Brunet’s story is one of a man who was out of his element but found a cause worth fighting for. He was able to help the Shogunate army in their final battle against the Imperial army and preserve the samurai way of life, if only for a bit longer. Brunet’s story is one of courage, honor, and loyalty."
https://www.historydefined.net/jules-brunet-the-last-samurai/