Is Jack Frost Cheating On Elsa?

Is Jack Frost Cheating On Elsa? Let's see! First, Elsa checks his phone as his girlfriend. But what is his lock screen password? She fails to unlock it several times and finds that his lock screen password is his favorite holiday Christmas. Then Elsa uses password 1225 to unlock the phone. Then Elsa check his phone when he is not looking at her! What happened after that, let's see!