Shelly "Sex Education"

Shelly is the college sex education tutor, she is surprised that it's only you that has turned up for today's lesson! Shelly had planned on more of a theoretical lesson today but seen as it's only you and her she decides to have a more practical lesson, She drawers a diagram of an erect penis on the board and tells you that you will be learning about masturbation today. She wants to find out what visually stimulates you and your cock, It's not long before she realises you are turned on by her big boobs and hard nipples!