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The day we were expecting but dreading, too, came all too soon. Jill was going for her annual visit to Aunt Joanie's. Aunt Joan was Mom's older sister and was a real knockout, like Mom but in a different way. She kept herself in great shape. She had divorced her husband years ago and swore off men ever since. She had a daughter, Dawn, who was the biggest prude ever, even more than Mom. She wanted to be a nun and nobody could tell her different. Aunt Joan had become a very high-priced lawyer, taking on the biggest cases and even getting on TV once in a while. She had made sure Mom got everything when Dad died setting everything up for a very fair return and a substantial income. She was also paying for our college tuition, which saved Mom a lot of money. Jill always had a good time there because Joan took the week off and indulged the two girls in every way. Beach, waterpark, amusement park, anything they wanted. But it meant no fucking for us.
So, we fucked as much as we could. Every time Mom was gone for a while we went downstairs. Jill wanted to be tied to the pillory so I fastened her arms and legs and locked the bar around her neck. I adjusted it so her legs were spread wide and then adjusted the height so my stiff rod was aimed at her cunt.
"Fuck me Bri! Please my cunt is so wet, please shove it up me!"
My cock was so hard I didn't need any prompting. I just aimed it her slit and pushed and it slid it up to the hilt into her very wet twat. Her cunt was squeezing my prick like a velvet glove.
She started screaming "Fuck, cock cunt pussy....I'm cumming. I'm cumming!" she came as soon as my cock was in her.
I started fucking and she was cumming over and over squeezing my stiff rod again and again. There was no way to hold back and I started shooting my cum into her spasming pussy.
"I'm cumming sis!" I yelled as my load jetted into her twat.
"Yes, yes shoot it into me! Shoot it up my cunt!"
I must've sprayed a lot of cum into her pussy because I felt it get wetter and looser. I stayed hard though and I kept up the in and out movement until my dick got really hard and I started fucking her in earnest. There was something about her bent over and helpless position that made me crazy and her, too, apparently, as she started screaming again.
"It's still hard Brian. Keep fucking me, don't stop, don't ever stop!"
I kept driving my stiff rod into her streaming cunt from behind as she continued to orgasm. Her sloppy pussy was still gripping my cock like a vise and once again I was at boiling point and started to cream her cunt with my hot sperm. It felt like my lifeblood was pouring out of me.
"Arrgh! God, I'm cumming again Jill, I'm cumming!"
"Me too! Fill my cunt you big stud! Cream my pussy!"
Afterward, I went to loosen her bonds, but she stopped me.
"Put something under my pussy and catch all the drippings."
I quickly found a big basin and put on the wet spot on the floor and watched our combined juices drip into it.
"You're such a dirty girl Jill."
"I know. I'm a real slut now aren't I?"
"I would spank you but it would probably make you hot."
"You tease! I'd like to try it some other time. Right now we have to get dressed. Undo me please."
I reluctantly removed all the straps and the bar that held her head. She squatted over the bowl and let loose two squirts of pee.
"Just a little spice." She said and then she took the bowl and emptied the contents into her mouth, "Umm, I love the taste of our juices. I'd like to suck a pussy one of these days."
"I'm sure there are girls at school who would love it."
"I don't want to let it get around. I need somebody who can keep their legs open and their mouth shut!"
We dressed and went upstairs. Mom came in a little bit later and we helped her with the grocery bags. Later we were relaxing on the couch, surreptitiously feeling each other up.
"Tomorrow I go to Aunt Joan's."
"Yeah, no more fucking."
"I was thinking. Maybe I could get Dawn to let me lick her pussy,"
I laughed out loud. "Dawn the nun? That's funny. She won't even show any skin at the beach!"
It wasn't quite true, our cousin did put on a bathing suit. She had always wanted to be a nun and acted as if she was already there.
"Maybe she's changed. Anyway, it won't hurt to try."
"Well, if you're going to try with Dawn, maybe I'll try to fuck Mom."
It was her turn to laugh. "Now that is funny! Mom is such a prude, she would never, ever let you near her holy of holies!"
"Ya never know, she has been wearing less and less, almost skimpy I'd say. I might have a chance."
"Tell you what. Whoever gets their target first has to be the other's slave when I get back. For a whole week."
"And if we both win? Or lose?"
"Then we take turns being the slave."
"OK, deal." We shook hands and already I was thinking how to get Mom to spread her legs for me. It wasn't going to be easy and might just be impossible. I could imagine her slapping me and grounding me for like forever.
Next day Aunt Joan and Dawn showed up, a little late as usual. My aunt was a confirmed Lesbian, rejecting all men after her horrific marriage and worse divorce. She didn't try to hide it, but she didn't flaunt it either. We were all surprised to see Dawn in shorts and a tube top, maybe Jill would have a chance after all!
"Hello!" Jill went up and gave her a big hug, making sure to hold her tits against her own. Dawn had developed nicely and had a very nice set of tits and a curvy body. She was Jill's age, but was a little taller and had darker hair. I hugged her, too, making sure to hold her tits against me and I could swear she tilted her body back and forth just slightly. She pulled away as her mother asked to help with Jill's bags.