Well, the wee-bit of racism I may/may not have experienced in Japan (because I'm not sure if she just had a bad day) was with an Indian-American friend of mine who was overweight and had obvious dark skin against my stark-whiteness.
I have a feeling the lady was being prejudice towards him rather than me, as she was mainly making eye contact with him, and mainly attacking him with the broom-- lol.
(I'll try to post a picture of him, but I'd hate to do that in case he stumbled upon this forum and saw that I called him overweight
)