its Hiroko Suto, the Rodeo Drive model/racequeen for JGTC races..
there is another rodeodrive model that i have no idea of her name, but she is also a babe...
the pic is on this page...
http://slab.cool.ne.jp/Photo/suto/suto02/suto02.htm
go to the main for others..this isnt an official site, but just a photographer site