The unbind procedure is below:
▼On the process of Facebook
1) Log in to Facebook (PC version)
2) Select "▼" in the upper right corner
3) Select "Settings"
4) Select 'Application and Website'
5) Check this app from the apps displayed and select 'Delete'
▼On the process of App
We apologize for the inconvenience but kindly contact us using the inquiry form.
※Kindly enter the information of the account that you wish to unbind.
※There is a possibility that we will confirm the information for the identity verification.