Add Region2 at settings. You can set two regions
now!
And change to the Open Social Gadget from Legacy Gadget.

Due to the network maintenance of the Institute,
the service will be stopped as follows:
    Jan. 16th at Japan(GMT+9:00)

A few times, An error ocurred. I’ll fix it this weekend.

Until then, If you encounter this problem. Wait a moment, clear the cache of web browser, and reboot web browser. It’ll may be fine.