Thank you for always using "JO1 OFFICIAL SITE," "JO1 OFFICIAL FANCLUB," and "JO1 Mail."

This time, in order to improve our services, we will be upgrading our system to a new version.

We will be performing nighttime maintenance on the following dates.

During this period, all services, including access to the website and the "JO1 OFFICIAL APP," will be unavailable.

Consequently, ticket applications and online purchases of fan club-exclusive merchandise, which require fan club login, will also be subject to restrictions.

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

■ Maintenance period

2026/05/14 (Thu) 00:00 - 2026/05/14 (Thu) 07:00

*Maintenance time may change. note that.