If you have purchased the service directly from Cybozu, Inc., your subscription details on the "Services License" screen in cybozu.com Store or on the "Service Usage" screen in Users & System Administration are updated at the same time as your new subscription is applied to the service.

For information on the timing at which the new subscription is applied to the service, refer to the following page.
Licensing Information (Cloud Edition) (Japanese only)

If you have purchased the service from a partner (distributor), ask the partner (distributor) about your subscription details.