The methods for registering with with are as follows.
First, please check which method you used to register."
・Registration through authentication using a Facebook account
・Registration through SMS authentication using a phone number
How to check when you don't know which method you used for registration
■Registration with a Facebook account
If you can access the Facebook account you are registered with and 'with' is displayed in the list of apps and websites, you can log in with Facebook account authentication.
※For instructions on how to access apps and websites, please refer to the Facebook Help Center."
■Registration with SMS authentication (phone number)
If you have a confirmation code from with in your SMS messages, you can log in with that phone number.
Once you have confirmed the method of registration (login), please try logging in according to your usage environment.
In addition, with prohibits the act of owning multiple accounts.
If by any chance you have created multiple accounts, we will delete the unnecessary accounts, so please contact the with customer support.