Sony made new collaborations with even more stores in Japan and a new shippment of PlayStation VR going to arrive to the country on January 26 into these shops.
Sony updated today the official stores list where you can buy with full support the PS VR and you can find this list in here:

It should be noted that on the same day going to release the latest Resident Evil game the Resident Evil 7 which fully supports the VR mode on PlayStation 4. Get the game and the VR from the same store and enjoy the game!