Please log in to "My Page", then tap/click [Personal Information] button.

On the "Guest Info (for Verification)" screen, tap/click "Edit>" in the "General Info" column.

At the bottom of the page, you can find "Receive special offers by email" column.
Select "Receive" and tap/click [Continue] button.

NOTE: Important information will be sent even if you have selected "Do not receive".

Please check the registered information and tap/click [Confirm and update].