Japan Communications released a prepaid SIM “b-mobile VISITOR SIM 5 GB / 21 days Prepaid” for visitors who can use it for 21 days with a communication data capacity of 5 GB. The price is 3,480 JPY.
SIM card type：nano SIM, micro SIM, standard SIM
Charge：1GB/1day for 500 JPY
Purchased at nationwide AEON, Yodobashi camera, Bic camera.
It is also available online at the official site and it can be taken at seven airports in Japan.
Airport Pickup Service is available in the following airports.
Narita Airport (Tokyo), Haneda Airport (Tokyo), Kansai International Airport (Osaka), New Chitose Airport (Hokkaido), Naha Airport (Okinawa), Central Japan International Airport Centrair (Nagoya), Kagoshima Airport.
Delivery fee is 200 JPY.
Conventional VISITOR SIM has set validity period as short as 7 days or 14 days. However, there are an increasing number of travelers who stay longer than before. In order to respond to such changes, it set the validity period to 21 days.