On Ebay here in the US a Japan issue of the cd is around $100. Here is the link to see:
http://cgi.ebay.com/HES-MY-GIRL-soundtrack-JAPAN-CD-RARE-David-Hallyday-EX_W0QQitemZ370076649735QQihZ024QQcategoryZ307QQrdZ1QQssPageNameZWD1VQQcmdZViewItemQQ_trksidZp1638Q2em118Q2el1247

aclockwork_oranges71, September 7, 2008; 2:48 AM

Cheapest I have seen is about 10.50 US dollars and most expensive $35.00 but it is never "available" I have a friend who has been trying to locate it but with shipping by the time she gets it overseas it will be outrageous so she has held off. Pick a fair price I can see if she wants it still.

shadowedrose, December 29, 2008; 7:03 PM