

We got plenty of our own problems, best to leave it to Japan to figure out their own.
Japanese people have a right to ask questions about issues they are concerned about.
Asking whether or not you have actively participated in crimes against humanity is a reasonable question to ask, and if you do not want to answer it, then you can just go elsewhere.
What country you even from, that you do not have your own racism problems to deal with?
Start at home.