After her birthday, your sister undoes the body modifcations.However, she leaves you as a regular, hot girl.
You smile and go upstairs to your room.You get naked and feel yourself.Fifty orgasms later, you get an awesome idea.Thanks to the program, your sister Amy is a totally hot blonde thirteen year old, with C breasts, but a penis in place of a vagina.Her mind is different too, and the too of you start making love...