I have tied your cock in chastity and tied you to a chair. If you promise to be a very, very good boy, then we will play a game. It's called "Mistress, May I." I am going to untie your hands and cock and allow you to stroke under stringent conditions. I must ask for a certain number of strokes, always beginning with "Mistress, may I..." after me. I decide if how many strokes you may have, and I also determine the speed. But there's a catch. After completing the number of strokes you're granted, I will make you slap your cock with a riding crop. Each time you strike, it must make you jump out of the chair, but I have your ankles tied to the chair legs. You have no choice but to beg you fo