You knew they were also locked when they asked to lock you up, but you had no idea they expected you to match the time they already had in their belt, and since she was Ace it wasn't difficult at all for her to last the 3 years she already had.
You're mistress knew all she ever had to do was talk about touching you and you would get hard and feel the endless frustration of the cage, however, on certain days she would take down your panties and rub herself against you cage. It was almost enough
You made a bet with another girl over who could stay locked the longest, loser gets photos of them in their belt released in the college forums boards. The first month was fine, the second month was hell, but the 3rd year? Even using the bathroom was eno