You can change or delete your credit card information using the following process.
- Click the "Change payment information" or "Become a FAN" button displayed on the top of the plan page for a creator you want to support or a creator you are currently supporting.
- On the page to specify the payment method, click the "Change card" button displayed in the upper right of the "Pay with a credit card" box.
- You can change your credit card information or delete it from the "Select credit card" page.
- If you want to change your registered credit card information, please delete your credit card information and freshly register it.
You can check the credit card information registered to not just pixivFANBOX but to all pixiv-related services from the following URL.