System maintenance notice on January, 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 January 29, 2023, JST

Future maintenance plan 

Sunday February 26, 2023

Sunday March 26, 2023