System maintenance notice on June, 2022

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 June 26, 2022, JST

Future maintenance plan 

Sunday July 24, 2022

Sunday August 28, 2022