Here's a google translate of a page selling the video:
http://translate.google.com/translate?sl=ja&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwww.tokka.com%2Fshop%2Fg%2FgSS00001050764&act=url
It says her name is Marina, and possibly Marina Ivanova, but a search for the...