Hello, GM Delia here.

The beginning of another legend, 

A no-downtime update will be released on Friday, September 4 to apply some fixes.
We recommend downloading the latest update from the App Store or Google Play for a better gameplay experience.

■ Update Release Date

• September 4 (Fri) 03:00 (UTC)

■ Update Details

• Fixed an issue where Amaterasu's active skill [Retribution] effect was not functioning properly.

We sincerely apologize for any inconvenience this may cause.
We will continue to work hard to provide a more enjoyable Gran Saga IDLE experience.

Thank you.