Shogun co-creator Justin Marks says he doesn't think Hiromatsu knew the full extent ... who are wearing armor as a demonstration of protest at a funeral, which is a very common historical ...

They protest, wearing armor at the funeral ... In James Clavell's 1975 Shogun novel and the original 1980 TV show, Nagakado didn't die, nor did Hiromatsu. They remained at Toranaga's side ...