[Restored] Notice of temporary some functions and services interruption

Due to the system failure, some functions and services were not available temporarily.
Currently, our service is back to normal.
We apologize for any inconvenience this may cause.

[ Period ]
  Aug. 24, 02:00 - Aug. 24, 22:00 (PDT)
  Aug. 24, 09:00 - Aug. 25, 05:00 (UTC)
  Aug. 24, 18:00 - Aug. 25, 14:00 (JST)