Bah, do nto let it's racism discourage you. The general feel that Japan will give you is not very nice, but they are many many caring people who will give your race no thought. My sensei (A fairly large, white man) visited japan for a couple of years and met Nakajima, are very nice Japanese man who would soon be the sensei of my sensei.
Not EVERYONE in japan is like what I said, but that is the collective feeling you will get.
Here is a picture of them. (My sensei is on the left)