the first japan bill containing virtual currencies is expected to come on april which recognizes bitcoin as a method of payment.Although,it doesnot define bitcoin as a legal currency,it is still considered as a remarkable progress for bitcoin in japan.Hope, most of tourists who would go to japan to see 2020 olympics would be able to pay in bitcoins.
Bitcoin holders now has a good reason why they should go to Japan,and Japan will have additional tourist and and economic boom,people will prefer to go here to spend their Bitcoin and not only that Japan is our model country on how they effectively used Bitcoin.