Thank you for always using JO1 OFFICIAL SITE.

We will be performing system maintenance on the following schedule.

[Date and time]

Friday, June 25, 2021 2:00 AM to 3:00 AM

* Depending on the work situation, the time may vary slightly.

The site cannot be accessed during maintenance.

Please note that you cannot register new members, log in, or change member information.

We apologize for any inconvenience this may cause to our customers, and appreciate your understanding and understanding.

Thank you for your continued support of JO1 and JO1 OFFICIAL SITE.