I want to disconnect the app from Facebook.

Please follow the steps below to deactivate the link.

【For Smartphones】
 1、Open the Facebook application.
 2、For iPhone: Menu -> “Settings & Privacy” -> “Settings” -> “Apps & Websites”
   For Android: Other -> “Help & Settings” -> “Account Settings” -> “Apps”
 3、Tap “Edit” under Login with Facebook.
 4、Select “MIRAIPO” and press the “Delete” button.
 
【For PC】
 1、Log in to your Facebook user page.
 2、Click “▼” on the top right corner of the screen.
 3、Click “Settings and Privacy” -> “Settings” -> “Apps and Websites”
 4、Check the “MIRAIPO” checkbox and click the “Delete” button.