I just bought it online a two weeks ago and it was super easy, they even send you frequent reminders before your trip so you don't miss it: https://smart-ex.jp/

I just bought it online a two weeks ago and it was super easy, they even send you frequent reminders before your trip so you don't miss it: https://smart-ex.jp/en/index.php https://smart-ex.jp/en/index.php