You were told you'd be locked in the cage until you willingly ate your own cum, you figured it wouldn't be hard, you had eaten a little off your hand before. Unbeknownst to you, your owner's idea was an entire bowl load. It took a long time to save it
The cage had been locked on for months now, you could no longer take it and started signing up on message boards for anonymous meetings in public. You hoped they would give you pleasure and let you cum, but more often than not, you were just a play thing
