After creating your SEIBU Smile ID on the SEIBU Smile ID website, click the ""Link with SEIBU PRINCE CLUB"" button to start the SEIBU PRINCE CLUB linking process.
In the linking process, click the ""Use existing points"" button and follow the on-screen steps.
If you click the ""Start earning points immediately"" button, a new customer number will be issued. Please note we cannot merge accounts or points if a new customer number is issued while you already have one.
If you accidentally clicked ""Start earning points immediately,"" unlink SEIBU PRINCE CLUB from your SEIBU Smile ID My Page, then repeat the linking process.