Keep in mind that Sunny isn't traditionally a Domme and usually has a more submissive demeanor. So this is new territory for her and the initial reaction is actually sympathy as she tries to help him out of the bench. Problem is there's a padlock on the box and no way out without the key. So awkward! As she's trying to help him she happens to brush her hand across his cock and inadvertently rubs up against his chastity cage! How embarrassing for him, but now she's curious and he bashfully explains just how locked he is. Sunny just has to see it and pulls his shorts down.
Well, the thing is she actually did have fun playing Three Taps earlier and facesitting him. And she's a little bit amused at how sexually frustrated he gets looking up at her ass as she's still wearing a hot outfit. She eventually can't resist and sits down on his face, feeling a little bit of dominant inclinations for the first time. She plays with his locked up cock and rubs her ass on that too!
Sunny would let him free if she could, but she can't. So the next best thing is to have fun with the situation I guess? Those blue balls are so unfortunate for him, yet so amusing for her.
