Import Japanese goods are pretty much everywhere in Hong Kong. Japan's only a 4.5 hour flight away after all unlike UK which can be 14 - 19 hours so it only makes sense for the city to import from there. This includes mainstream Japanese pop culture/otaku Anime store merchandise...
Not to be pessimistic but there's always the risk of your goods being lost in the mail of course or more likely, getting damaged. It could also be broken already if you're buying something from the market place. In such cases, you'll have a tough time trying to return or get comp...
Ghibli goods are never far away....