That's nice news.Being from Japan I can totally admit our Government embraces new technological advancements .This is a old new though,I was able to purchase groceries from the nearest market about 6 months ago.Many play cafe's and Virtual Reality stations are accepting bitcoins here.
Old to the natives maybe, but let the word travel around the world. No one country wants to fall behind on tech, and we all know Japan is one of the global leaders of tech, so who is surely to follow? The other superpowers of the world. Which will eventually lead to mass adaptation, globally. So hold your coins, stack them up, and stack them up safe and neatly.