Sorry for the double reply but I can't edit my previous anymore. I just saw an ad for a "TokyoTreat" while on Facebook too
I think you might have searched for that or "Japan"?
I've never seen any of those.
I'm always seeing ads for Japan Crate on Facebook. If it weren't for HN posts I'd have never heard of Candy Japan.
How many many Japanese candies by mail services are there, not a lot of competition here ;-)