Make sure the knows her place.

Heather turns her attention to you, plucking at the hem of your top. "Now, this is very sexy and all, but you need to take it off. Slaves don't get clothing. Chop chop!" She grins at you and you suspect she would not hesitate to invoke anything as justification to punish her ****.

Still savoring a mild euphoria from your powerful orgasm, you don't mind the command. You're actually looking forward to having sex with this couple. A hot threesome? You'd be crazy to turn that down, right? The notion of being considered a **** is new. Both anxiety-inducing and exciting.

Quickly pulling the sheer top up over your head, you toss it aside. Your damp thong panties join them a moment later, and you feel a rush of excitement as you stand fully nude before the couple. Mark's eyes devour your body, making your skin hot, and even Heather seems to like what she sees. Her gaze lingers on your chest, and she briefly cups your tits again with her hands.

"Hm. If I didn't know better, I'd say you're actually a little bigger naked." She moves her hands to your bare ass. "Here too." You're positive that you have grown just a touch curvier as a result of your orgasm, but she dismisses it as an illusion caused by your lingerie.

"Anyway, good girl, Slut." She points to the floor. "Knees. Crawl." Taking a few steps backwards, towards the main living area, she adds, "Follow." And then she turns around, lost to your sight around a corner.

You look to Mark, and he raises his eyebrows. "Crawl, Slut. You heard her. She's crazy horny. You'd better do what she says." Then he adds with a smile. "If you please her, you may find you like being her ****. Just saying."

Desperately curious, you ask him if he's her ****, too.

He shakes his head with a laugh. "No, we're just into a lot of shit. We take turns doing a lot of things. This is just how this month is playing out. But quit wasting time. She's going to make you regret taking so long. Remember, she's the boss tonight."

Lowering yourself to your hands and knees, you're not sure you like the way he said that. She'd make you regret it? 'I'd much rather be punished by Mark. I bet he knows how to make a girl behave.' It takes you a while to realize you're fantasizing about Mark and his strong arms, wondering how big his cock is... when you do suddenly realize it, you're so shocked that you barely even register what's going on in the room you've just crawled into.