“Wow, in Japan its very taboo to marry outside the race and doubly taboo to get involved with American servicemen.”
Not true at all. I’ve been stationing in Japan on and off for over 2 decades. The truth is the opposite.
Fair number of officers at least in the Army appeared to me to be Eurasian. I know the MG commending the 101st AB when it first went to Iraq was. His father was an AF MSGT mother Japanese.