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.
In your private time you would dress up and pretend to be a sissy schoolgirl. Today you tried a little bondage, you wouldn't' get out for at least an hour or more. Worse yet, you must have missed the letter about the apartment inspection today and you
For two months now you have been locked and forced to ride a dildo any time your partner brought home a partner. As of last week though, you know have to write fanfiction about the events as they are happening.
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.