System maintenance notice on March, 2023

System maintenance on our service is scheduled as follows. During the maintenance period, our service will not be available. We apologize for any inconvenience caused.

Maintenance period:

from 10:00 a.m. to 6:00 p.m. on Sunday March 26, 2023, JST

Future maintenance plan 

Sunday April 23, 2023

Sunday May 28, 2023