Your mistress revealed to you months ago you would no longer be allowed to cum with your hands. It took some time, but you finally learned how to cum from her sharp spanks and heavy touch.
It was only a dare, you told yourself, and you were not one to back down, no matter how humiliating it was. But when the plug started vibrating as you walked through the local mall, you knew it more than just a dare for your friend who managed to trick y
