Slavery: A series of erotic games (Book 03)
"You're about to learn what it feels like to be airtight. There's only one proviso, slave. You don't have permission to cum. The first time you cum, you'll receive thirty spankings from Master's hand, the second one will result in thirty more with the Enforcer. Upon your third orgasm, you'll receive thirty lashes with the whip to your tits and cunt. If you orgasm more than that, you'll wear the Slave Trainer for one hour each time you cum."
"Yes, Domina, what's a Slave Trainer?"
"You're about to find out, slave, because you're going to cum a lot. Master, if you would, give permission to the other slaves to cum. I suspect they'll cum a lot as well as they'll be wearing the strapless in full v