Vi closed her eyes and smiled at us, knowing that we were both staring at her fingers as they plunged inside her, getting to work quickly. She used the thumb of the same hand to rub her clit, which was also swollen and needy.

"Don't watch her, Wendy. You shouldn't be picking up bad habits." Brenda said. I wanted to tell her that it was cruel to not let me watch, but that I knew would draw her wrath.

I picked up a silk blindfold from the dresser where Brenda had laid out all the toys for the day. I wrapped the long strip of cloth around my eyes three times, making sure to completely obscure my vision, and then I tied it tightly.

"Good girl." Brenda said. She ran her hand down my back and grabbed my ass. "Very good girl."

I couldn't help but smile. Being called a good girl always got me there.

"How much can you hear?" Brenda said.

I shook my head. "Not much, mistress."

"But I bet Vi's fingers working inside her little hole, you can still hear that, can't you?" Brenda said.

"Yes, mistress, I can hear her playing with herself."

"Are you jealous? Do you wish that was you making her come, Wendy?" Brenda said, running her hand down my front and playing with my pussy. I tried not to react to it, knowing that my Mistress could decide to stop if she didn't like the way I behaved.

"I know she is doing it as punishment, Mistress, so, I would not want to interrupt your discipline." I said.

"Good answer." Brenda said, pushing her finger into the latex that was stretched taut over my pussy, her fingertip working into the cleft, which made my knees wobble. I steadied myself with a hand on her shoulder. "You know your place. I'll allow you to steady yourself because your slutty little sub probably has you all hot and bothered even though you can't see her, isn't that right, Wendy?"

I nodded, and Brenda took my free hand and moved it over to my stomach.

"Now touch yourself while Vi finishes. Keep your clothes on. And do not, under any circumstances, come."

I didn't have to be told twice. I moved my fingers along my pussy, feeling the same spots Brenda had just touched. I could hear Vi's breath getting deeper and faster, the moans accompanying it music to my ears.

"How fucking pathetic is this girl?" Brenda said. "Her moaning and whining is the only thing filling this room, Wendy. Do you want to beg for Wendy to release you, Vi? Answer carefully."

"No…Mistress…I will…I will make myself come. I don't want to…ughhhmmm…tarnish your wife…" Vi was holding back her orgasm to increase the intensity, I could tell. And I didn't mind hearing her strain against the inevitable.