You are coaching this new busty girl who's very new to workouts... she's a bit innocent, so you decide to take advantage and give her a special workout. Starting 'with squats on the floor, then squats on the cock'. She's never done this before,  but considering your reputation, she does not question you and follows everything you tell her to do.  She submits to every new exercice and is so enthusiast that you believe in her. 'Is it good like this?' she asked as she's squatting on the toy. 'Yes, you are doing so well. But it seems like you need more practice. Try on this now. '' pointing at your raging hardon. She aligns herself with your swollen tip and...