Rude Awakenings

Youre over at your girlfriends flat, but shes gone to work so youre just hanging around. Her flatmate is on the kitchen floor-sweeping, and you have a lovely view down her silky nightie. Its making your cock quite hard, and it doesnt take long for Roxee to spot your erection through your pants. She asks if it bothers you that youre wanting to stroke your cock over your girlfriends hot flatmate. You tell her you dont mind... neither does she by the looks of it...