System maintenance notice on July 19, 2020

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 July 19, 2020, JST

Future maintenance plan 

Sunday August 30, 2020

Sunday September 27, 2020