I'm a major fan of the Caucasian male to Asian female transformations (hence my name), but they're kind of hard to find...
I've found a few stories, though. (these all have TG and AR in them as well):
On Storysite:
http://www2.storysite.org/story/laby...change~01.html
On Cyoc:
http://www.cyoc.net/stories/chapter_...hapter_id=4333
http://www.cyoc.net/stories/chapter_...apter_id=28799
And one by MEEE!
http://www.cyoc.net/stories/chapter_...apter_id=33963