Use your powers to connect an ice penis to your nervous system!
From Create Your Own Story
You grab her by the arms "Elsa, what are you doing?" she says confused "Just lie back and relax, Anna" "O-okay..." you begin to channel your ice powers to your crotch and feel it build, your ice seeps into your young virgin pussy and into your skin itself, with a bit of strain you are finally done growing your young herm penis. Your sister was rather frightened of the grunts and strain of this process and starts to panic!
What do you do to her?
