You can get them at the airport too: https://travel.stackexchange.com/questions/73172/are-short-term-visitors-in-japan-allowed-to-buy-voice-enabled-sim-cards h

You can get them at the airport too: https://travel.stackexchange.com/questions/73172/are-short-term-visitors-in-japan-allowed-to-buy-voice-enabled-sim-cards https://travel.stackexchange.com/questions/73172/are-short-t...