If you have played one or more credits on a game linked to this network you can claim that card when creating your account. Enter the card number which is the 16 digit code found on the back of an e-AMUSEMENT card or displayed in-game when you scan an Amusement IC card. Make sure you use the same PIN as you did when you registered your card in-game. If you haven't played yet, enter the card number and desired PIN for the card you want to use. For convenience, you can also enter the raw 16 digit card ID usually starting with E004.
E004