Your sitting next to your sub in class admiring how cute they are while focused on the board in front of them. The people chatting and taking notes are a good background noise, you think, as you slade your hand on their thigh getting closer to between their leg. Embarrassed your little sub closes their legs to try and move away. That wont stop you. Their little and silent moans keep you on going.
"Shh and keep focused"
