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.
The pain of the small cage and a plug that was 2 sizes bigger than you were used to was almost too much, but the pure pleasure you were feeling from the rush of arousal was enough to keep you going forward with your training.
Tied down, caged, and teased for hours. This was the reality of your weekends from now on, however your mistress made it clear the cage won't be coming off on the weekdays.
These days the girly looks and the cage were just part of the normal attire your mistress expected of you, however the leaking in the cage that was constant, was punishable by a whip, cane, or longer sentence. It all depended on her mood.