Greetings from Com2uS.

Please read below for a known issue in the game.

[Jul. 25th Known Issue]
1. An issue where syncing the account with a Google account is unavailable in Settings > Account (iOS only)
- You can sign in to the game with synced Google accounts in the title screen.
- If you wish to switch to a Google account, please take the following steps: Sign out → title screen → Sign in with Google

※ This issue will be fixed in a future update.

Follow-up information will be added to this notice.
We apologize for the inconvenience and will resolve the issue as soon as possible.