【Updated on Jun 12, 2026.】
If you encounter the above issue, we have confirmed that this issue can be resolved by downloading the required files via "Downloads" > "Download All" on the title screen and then logging in again.
Please restart the app before downloading.
The download will begin, so please make sure you are using a wired connection or Wi-Fi, and that your device has enough free storage space.
⇒ This issue will be fixed in a future update.
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We have received numerous reports from customers that after updating to Ver4.3, the login screen remains black and only displays the user's ID, preventing further progress. We are currently investigating this issue.
We apologize for the inconvenience and ask for your patience while we update our information.