Hello!
If traveling to Japan, You can find it easily. Almost every well equipped liqueur store has it. You may also want to check those big many-story elecrtonic shops. Actually many of those have an "alcohol department" -selling malt whiskies with a decent price.

Old Parr 12yrs seen also in Guam airport in early April...

Check our webpages. Under construction, but up and running at last!
whiskyweljet.com ("Mr. Lagavulin")