A naked man floating in the air

You feel yourself trembling as the door creeps open. What have you gotten yourself into? What's awaiting you on the other side?

The door opens fully, and Jenny guides you through. At first, you don't see anything that seems to be the source of the sound. Just stone covered walls and floor, and what seems to be a large black cauldron placed in the middle of the room. Your attention is soon pulled away from the cauldron though, as the sounds of pained grunting hit your ears. You follow the sound up, and to your complete shock you see a man, completely naked . He's floating in the air horizontal from your view, his arms are held behind his back, they don't seem to have any restraints on them but they looks as if they are being **** together. His body flops and shakes, seemingly stuck in that specific spot. Though you try to avoid it, your eyes soon move down towards his crotch, his penis seems to be fully erect, and what you notice next is somewhat hard to understand. His rock hard member is moving slightly, the skin ripples back and forth as if something unseen is stroking it.

You turn back to Jenny, about to ask her what's going on when you hear the man's grunting get even louder.

"MHHHMMGHGH!" Echoes from the hovering body. His mouth remains closed as if he's unable to open it.

You soon see his cock shaking even more rapidly as his body thrusts and convulses. It's not long before you see a stream of white liquid spew out and into the cauldron below.

"What the hell?' You finally find the ability to say.

You look over at Jenny, who seems to be watching the scene in enjoyment. She walks over to the cauldron and looks inside.

"I think it's ready!" She says excitedly.

Your confusion is not at all lessened.

"What's ready?" Is for some reason all you can think to ask.

"This is a really hard potion to make." She says, picking up a large stone ladle and using it to stir the contents around. "Couldn't have done it without my loving husband here."

You look back up at the man. Though he looks exhausted, the movement on his cock hasn't seemed to diminish.

"I'll never understand why the stuff in a man's balls can be such a powerful potion ingredient." She says as she pulls the ladle up.

You watch as the strange liquid lightly sloshes on the oversized spoon. It looks white and creamy, but with a hint of smoke pouring off of it.

"If done right, this is one of the strongest potions I've ever brewed." She says, admiring the contents. "Drink it!"

For a second you don't realize what she's saying, until you notice her eyes darting at you.

"What?" You ask, in overwhelming shock.

"I want you to drink this potion." She says in a concerningly casual tone.