Jeannie requires total satisfaction for herself and none for you

“I'm not sure if you really deserve mercy,” says the genie. “First, I need to see if you can do a good job of putting your Mistress' needs above your own.”

Jeanie blinks. The snake unravels from your neck and slithers down your chest. When it reaches your waist it begins to shrink and wraps around your stiff cock. It changes to a dull metal color and forms a tight ring around the base of your shaft.

“This is a very special cock ring,” says Jeannie. “It will make it much harder for you to cum, but it can't suppress you entirely. If you let yourself get too worked up you'll still cum, but the ring has a solution for that. There will be a... punishment.”

The gorgeous blonde blinks and the cock ring constricts. You scream through the greatest pain of your life. She blinks again and the pain stops, leaving you so completely relieved that it's like there was never any pain at all, except for the sharp memory it left you with.

“Now, my pet, we're going to have sex. The most wonderful sex in the universe! But if you cum before all my needs are met, the ring will punish you, and it will be much worse than the little sample you got before. Do you think you can satisfy every single one of my needs, pet?”

You nod.

Jeannie blinks and a half dozen copies of her appear around you. They're all beautiful in their gauzy black outfits, and they all have her amazingly perfect huge breasts that jiggle as they point at you and laugh.

“Remember, pet, you have to satisfy all my needs. If any part of me gets bored, that will also activate the cock ring's punishment.” She blinks again and the strength returns to your body as the Jeannies move in around you.