Oh sweetie why are you acting up so much? I said you would get a reward at the end of the month and you behaved so good that I decided your reward would be a smaller better fitting cage. Now tell mommy that you are happy
It took you the whole of summer, but you finally succeeded in your plan. You made yourself an escape proof chastity cage. Made from steel but formed perfectly to your body, you were now stuck in a creation of your own design.
It took you months, but you finally managed to feminize yourself and become fairly successful on the internet as a sissy. Now your room and looks match and you don't think you'll ever escape it.