Thank you for always using KO1KEYZ OFFICIAL SITE.

Due to a website redesign and domain change, we will be performing system maintenance on the following dates.

[Maintenance Date and Time]

Tuesday, August 4, 2026 6:00-9:00

*Please note that the time may vary depending on the progress of the work.

During the maintenance period, all services, including website browsing, new member registration, login, and member information changes, will be unavailable. We appreciate your understanding.

Additionally, with this renewal, the URL of this website will change as follows.

If you have registered this URL in your browser's "Favorites" or "Bookmarks," please update it to the new URL.

[Before Change] https://shinsekai.produce101.jp/

[After change] https://ko1keyz.com/

Additionally, the sender domain for email newsletters and other communications distributed through FANCLUB will also change. If you have set up domain-specific email reception, please configure your settings to allow emails from "ko1keyz.com".

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

We appreciate your continued support for KO1KEYZ and KO1KEYZ OFFICIAL SITE.