You never thought you would find a girlfriend, so when the first girl took an interest in you came along you agreed to do anything for her. Now you are seeing what she really meant by anything.
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.
It's been 25 days of being locked up, at the start you swore you'd never suck dick, but a strap on doesn't count, right? Now that its the only way to earn release, you hope it still works.