The White Mage Who Was Banished From the Hero's Party Is Picked up by an S Rank Adventurer ~ This White Mage Is Too Out of the Ordinary! - Chapter 12

When you login first time using a Social Login button, we collect your account public profile information shared by Social Login provider, based on your privacy settings. We also get your email address to automatically create an account for you in our website. Once your account is created, you'll be logged-in to this account.