You can update your payment credit card information if you subscribed through our Official Site.※NOTE※If you are billed by a third-party platform, please update your information through your provider:iTunes App StoreGoogle Play 　※ The new credit card must have at least four months of validity.　※ We do not accept changes made within 24 hours of your billing date. 　　Please update your information the day after your billing date.　※ We do not accept changes if and when your subscription have terminated.1. Log in Member Account.2. Choose [My Plans] → [Manage Plan] → choose [Change] to the right of your payment method.　※ This button is only visible when your subscription is active. 3. Enter your new credit card information, and choose [Next] to complete the process.