Get Sabrina's sister involved

"I think I'll have to keep doing this to you all night Sabrina," you say and Sabrina immediately starts shaking her head again, pleading for you to stop. She's wanted an orgasm all week but the two she's been rewarded with have been just too much. She doesn't think her sensitive, inexperienced clit can take another **** orgasm.

"I'll let you off if you do one thing for me," you say, coming up with an idea. While grabbing your snack, you had spotted what looked like a family photo, with two women standing on Sabrina's left and one on her right. The two on the right were beautiful and could be her sisters although they looked different enough - one looked older maybe in her mid to late twenties, and one younger likely barely legal. However the girl on Sabrina's left looked identical. You couldn't believe it - Sabrina has a twin sister?

"I'm going to ask you to do something for me and if you do so I will untie you. If you don't do it, I will use this vibrator on you repeatedly for the rest of this weekend. You will remain tied up and blindfolded even when eating and drinking. You might choose that punishment but that is for you to decide. If you agree to what I ask, nod your head each time I ask, got it?"

Sabrina nods her head at this and you proceed.

"I saw a photo of you with three girls, are those your sisters?"

You can feel Sabrina's hesitation at this question - why are you asking about them? But she nods her head after a moment's pause.

"I am going to remove that gag, once I do I will dial one of your sisters using your phone. You will then speak to her and convince her to come over and hang out. Then you will **** her with sleeping pills and I will decide where we go from there. Got it?"

Sabrina pauses but reluctantly she nods her head again. She's too befuddled and dazed to do anything but agree to your demands at this point.