The hard plastic cage covering your privates didn't let any sense of feeling through, but for some reason you tried to still tug on it even if you knew it was a hopeless endeavor.
You always dreamed of a succubus materializing and then using you to her hearts delight, when one appeared you were ecstatic, however, that all changed when you realized she fed off your frustration and not the orgasms you thought you would have an endle
It never occurred to you that the reason your anal plug kept changing patterns was because your girlfriend was live streaming you all gagged and locked, and the audience was controlling it.
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.