Due to system maintenance, the system will not be available on the following dates and times. * Login is not possible. Saturday, November 29 11:00 - Sunday, November 30 28:00 (JST) Saturday, December 27 11:00 - Sunday, December 28 28:00 (JST) Saturday, January 17 11:00 - Sunday, January 18 28:00 (JST) We apologize for the inconvenience, and thank you for your understanding and cooperation. Updated on:12 Nov 2025