I suggest you read Chapters 1 and 2 of this story; this chapter picks up from there.
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Bob followed me as I went through the door to return to the bedroom. After we entered the bedroom, I turned to him, put my index finger on my lips to shush him, and pointed toward the chair sitting against the wall in the bedroom. I motioned silently for him to bring it over next to the bed, knowing that with her blindfold on, Ruth would not be able to see what was going on. He did, and with my hand making a downward motion, indicated that he should sit in it. As he complied, I glanced at his robe which had fallen open as he sat, and could see, not surprisingly, that he was once again getting erect.
I sat down on the bed to Ruth's left, on the opposite side of the bed from Bob, close enough to Ruth for her to feel the heat of my body on her naked skin through my robe. I lightly grazed my fingers over her left breast, and both of her nipples immediately sprang to attention.
"How are you doing, my pet?" I asked. "You may respond."
"Truthfully, a bit frustrated," she said.
I chuckled softly as I continued to run my fingers over her breasts. "I'm sure you are, my dear. I think that when I do give you permission to speak, that you need to call me something special. Your Mistress would be appropriate, don't you think?"
"Yes, Mistress," she responded, immediately complying with the role play I suggested for her.
I patted her stomach lightly, as if I were rewarding a puppy. "That's a good little girl."
I got up off of the bed, and took off my robe, laying it at the bottom of the bed. Now naked, I glanced over at Bob and could see he was enjoying the show, as his penis was even more erect than before. I pointed at it, and mimed touching it, and then wagged my finger back and forth at him, indicating that he was not to touch himself. I know him, and knew he would want to start stroking himself as I played with my little pet.
As I sat back down on the bed, I asked Ruth, "Are you ready to continue your training, my sweet?"
"Yes, Mistress."
"Good. You just lie there and let your Mistress play with you." I started gently squeezing both of her nipples, which elicited a gasp from her. She settled down, and I began squeezing harder and harder, as the nipples became more erect in my fingers. I pulled them outward, elongating her breasts, and as I let them go, they popped back down to her body but her nipples were now bright red and grossly elongated, standing at least three-quarters of an inch off of her breast. Even though her breasts were not that big, her responsive nipples were quite impressive.
I went back to them and rolled them more gently between my fingers. They stayed at attention, and after about a minute of this I began to smell her arousal as her pussy became wet once again. Even though she claimed not to have had much experience with sex, she was clearly enjoying this stimulation.
After a couple of minutes of playing with her breasts, I shifted my attention downward and began running two of my fingers through her pussy, first just grazing her outer labia, but then adding more pressure and stroking her inner labia. My sense of smell had been spot-on; she was once again leaking like a busted pipe; her pussy, like her nipples had been before, betraying her state of arousal. I now dipped both of those fingers deep into her, and once again, she gasped.
"Quiet, my pet, or I will gag you," I warned. She quieted down again, allowing me to plunge my fingers in and out of her without responding verbally. After a dozen or strokes like this I pulled my fingers out of her. She started to object in frustration, but before a full word could escape her lips, she caught herself.
"Good girl, you're following instructions well. I have a reward for you." I took the two fingers that had a few seconds ago been deep in her pussy, and I pressed them to her mouth. She immediately opened, allowing me to put them into her mouth, and she closed around them. I felt her tongue swirling on them, tasting her own pussy juices, until the fingers were well cleaned.
I withdrew my fingers from her mouth. Shifting on the bed, I spread my legs and inserted the same two fingers in my own pussy, which by this time was wet once again from the teasing I had been inflicting on Ruth. I thrust them in and out a few times, the squishing sound quite audible in the room. I knew that Ruth must have recognized that sound, wondering what would be coming next.
After getting them thoroughly coated with my own juices, I proceeded to repeat what I had done earlier, bringing the two fingers to her lips, and waiting for her to open and accept them into her mouth. She did so immediately, and once again, cleaned them off with her tongue. As she did this, I leaned down and whispered into her left ear, "Do they taste as good as your own juices, my lovely?"
She nodded her head up and down as she continued to lave my fingers. After giving her enough time to clean them thoroughly, I sat back up and removed them from her mouth with a "plop." I saw her lick her lips, getting a final taste of my juices from there as well.
"I bet you never thought you'd enjoy another woman like that, did you pet? You may respond," I prompted her.
"No Mistress, I've never done anything like this with a woman before."