The first time your girlfriend had become sexually aroused around you, you were shocked to find out that she would grow several inches taller, and during sex, she would often grow a foot more! While you were enjoying her growth spurts, you were also afraid that she might accidentally grow too much in the heat of the moment and crush her. After begging her to go see a doctor, she finally agreed. Growing bigger as she gets more turned on, she explodes out of the building and loves how good it feels! Teasing everyone below, she sits down and begins teasing her clit, getting very horny as she masturbates and grows bigger than the whole city!