You can delete your game account from the in-game Settings menu.

■ How to Delete Game Account

1. Open the top right Menu on the game screen and select Settings.

 2. From the top menu, go to Info > Delete Account.

※ Note

 - When deleting your game account, you have a 24-hour grace period to cancel the deletion.

 - Upon completion of deletion, all of your information (characters, items, currencies, etc.) will be deleted and can't be restored.