You've come for your first swimming lesson and are a little nervous. The instructor strips out of her baggy clothes to reveal a shiny swimsuit underneath and as she begins the stretching exercises you can't keep your eyes of it and how it hugs her butt and breasts. Now, you cannot go to the pool with that erection so she tells you to get it out and gives you jerk off instructions with a countdown finish. After all it's important for her to know you can follow instructions and enter you class fully relaxed...