HEY!
You better not have been touching that cock without my permission again... you know how mad it makes me if you can't get hard when I need you to!
Well?
Get it hard and show me you haven't been jerking off behind my back.
...
Okay then, maybe I believe you.
We'll start with fifty strokes, start slow and speed up til the end.
Once you've done that, give your balls a couple of slaps and then stroke about once per second for me... I need to tell you something.
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You know, this past couple of years I've really enjoyed having you under my control, ruining your orgasms and abusing your balls... but lately I've found myself fantasizing more and more about something...
Give those balls another couple of slaps and CONTINUE