[Important] To iPhone iOS 15 users: Information regarding one room membership registration and renewal procedures.
Thank you for your continued support of back number official fan club, "one room".
▼How to change iPhone settings
Go to Settings > Safari > Hide IP Address
Change "Hide from tracker" to "Off"
We apologize for any inconvenience this may cause and appreciate your understanding.
We hope you will continue to support back number official fan club, "one room".
This is an announcement for iPhone users.
When you update to iOS 15, the settings changes associated with the update may affect how you use your credit card when signing up or renewing your membership.
Additionally, we have received reports of errors being displayed during the process of changing credit card information.
If you are using an iPhone with iOS 15 and encounter an error, please change your device settings and try the procedure again.▼Error message
The entered information is incorrect, or some fields are missing.
Go to Settings > Safari > Hide IP Address
Change "Hide from tracker" to "Off"
We apologize for any inconvenience this may cause and appreciate your understanding.
We hope you will continue to support back number official fan club, "one room".