This is a Suica (スイカ), a transportation electronic money card. Available for immediate purchase☆ If you bring it to the ticket window, the 500 yen deposit will be returned. You can also use it as an IC card by charging it. I used it for only one day. Suica Suica Electronic Electronic money Unregistered Penguin Suica Unregistered suica JR East You can use it at stores that support IC cards such as Kitaca, PASMO, Suica, TOICA, PiTaPa, ICOCA, Hayakaken, nimoca, and SUGOCA. The balance is 0 yen.