- The invitation URL may have expired. Please check with the administrator.
- If you have already joined the circle, the message “You have already joined the circle” or “Invalid request” will be displayed.
[Maintenance Notice]
We will have a server maintenance during the following time. The SkyPhone service will be available, but the maintenance might cause instability in the service during the time.
We are very sorry for any inconvenience this may cause you and appreciate your understanding.
Maintenance Period: Tuesday, June 23, 2026, 9:00 am – 12:00 noon (JST)