I was in a bad situation, but it was of my own making. My plan to get revenge on my bitchy sister-in-law Rachel had led my wife Claire, my friends Zack and his wife Mel, and me directly here. Zack and I were tied to chairs, staring at our bikini-clad wives, mere feet away on a mattress on Rachel's living room floor, in the throes of ecstasy and overwhelming horniness. Rachel had spiked their drinks with the same aphrodisiac I had used on her and was planning to force Claire and Mel to experience every sex act Zack and I had done to Rachel.
My sexy, blonde sister-in-law, wearing the same red bikini she had on the night we assaulted her, stood next to her naked husband Tim, between us and our wives.
"What did you start with first, Jake?" Rachel asked, smiling down at me. "Oh, right, you can't talk with that gag in your mouth, but I remember it was a massage." Tim handed her a bottle of massage oil, and she squirted some on my crotch. She slowly stroked my dick, while Tim looked at me with a scowl. My cock was soon rock hard, and Rachel switched to Zack's dick, while continuing talking to us. "Of course I told Tim exactly what you did to me when I got home. He wanted to kill you, but I convinced him to think with his smaller head."
Tim shot her a sharp look. While on the drugs, Rachel had confided that my cock -- which was about the same size as Zack's, both a bit over average length and thickness -- was notably bigger than her husband's, which I could now see was true.
"Don't pretend to be upset, Tim," Rachel purred. "You know it gets the job done, and these two will see that soon." Zack was now fully-erect as well. "Jake, you may notice throughout all of this that Tim added some pills to your drinks to make sure you and Zack stay hard the entire time. That's going to come in handy later," she added with a bitchy laugh.
Rachel and Tim joined Claire and Mel on the mattress, covering their legs and stomachs with massage oil, before turning them onto their stomachs and lathering their backs with more oil.
Claire picked her head up, looking back at Tim who was focused on her while Rachel handled Mel. Claire slurred, "What are you doing? Wait, are you naked?"
"It's ok, sis," Rachel said, patting her on the head. "Jake is right here too. Tim and I are just giving massages to return the favor."
"Oh, ok," Claire said, returning her head to the mattress with a smile, as Tim began stroking her body. Rachel was doing the same to Mel. Soon, Claire and Mel were both moaning. Minutes later, their bikinis had been removed, and Rachel and Tim were kneading the ladies' asses. Tim looked back at me with a smile as he spread Claire's legs and slid his hand down to play with her pussy lips, which elicited a loader groan.
"Tim can't wait to fuck her ass," Rachel needled me, "but that won't be till later."
Rachel and Tim then flipped their respective victims onto their backs, legs spread wide. I was staring directly at my wife's wet pussy, only feet in front of me. She was clean shaven, as usual, with her large clit and puffy, pink pussy lips on full display. I glanced over at Mel. Her pubic hair was trimmed short, the black standing out in contrast to her pale skin. I couldn't see any lips poking out, and her hole looked small and very tight. Her breasts were small, but her nipples poked out at least half an inch. Rachel was now gliding her hands over Mel's tits, stopping to run circles around her nipples and occasionally give them a light tweak.
