Pro Tip: When visiting Japan, dress and comport yourself so you don't look like you should be thrown in jail, and it will happen a lot less often.
As a Mexican friend puts it for Mexico: Dress as the police should believe you.
As a Mexican friend puts it for Mexico: Dress as the police should believe you.
The more bland the colors, the more you blend in and easier it is to flow through places.
I'd think a formal or business casual attire, with proper grooming, is a rather international signal that you're vaguely alright in your ways.
Anything specific you reckon otherwise for?
Like all "migrant workers", they're considered low class and are treated that way, similar to how Turkish people are treated in Germany.
I assume the OP is actually referring to these returned second generation Japanese.