If you choose credit card or Paypal as your payment method, your subscription will be renewed automatically and the payment will be made automatically on the contract renewal date. (Paypal is available only in Japanese yen.)
The next renewal date can be checked from the service in My Page, and it will be the date in Japan time.
If you do not wish to automatically renew your subscription, please cancel your subscription at least one day before the renewal date (Japan time).
One-time plans are not automatically renewed.