First you wore panties, then you dressed up, now you are locked in a cage that you lost the keys for and there is only one way left to feel release. Let's hope you are a fast learner.
She said she had never cum from oral before. You thought you could prove her wrong so she bet you that you couldn't do it, and would be locked in chastity until you made it happen. Perhaps you were too confidant in your abilities. You thought you would
Finding a friend who was also into chastity was amazing, her ability to be super cruel and leave you locked for days or weeks on end without anything except being teased the entire time, however, was slightly less awesome. You were almost regretting tell