1. Login to the web version management screen here.

2. Click "Payment Method" under "Settings."

3. Unavailable payment methods will have a red warning message displayed.

1. Click "Add" to re-register the payment method. For credit cards, please re-register the same credit card.

2. Click "Set as Main" for the newly registered payment method.

3. Click "Delete" for the payment method with the warning message.

1. Click "Set as Main" for the payment method without the warning message.

2. Click "Delete" for the payment method with the warning message.

1. Login to the management screen for smartphone browsers here.

* It cannot be checked within the management app. Please log in via the "Purchase Screen for Smartphone Browsers" and check "Payment Method."

2. Unavailable payment methods will have a red warning message displayed.

1. Click "Add" to re-register the payment method. For credit cards, please re-register the same credit card.

2. Click "Set as Main" for the newly registered payment method.

3. Click "Delete" for the payment method with the warning message.

1. Click "Set as Main" for the payment method without the warning message.

2. Click "Delete" for the payment method with the warning message.