It was a Friday around 1:45, and not having class the last hour of the day, and being eighteen I signed out and made my way home. Only living a few blocks away, I walked to and from school every nice day. It's one of the ways I stay in shape, and I love it when guys stare at my nice ass and my 32B breasts. Add that to my shoulder length blonde hair and tan skin, and I was what guys considered a knockout. It took me about twenty minutes to get home, and to my surprise the front door was already unlocked.

"That's weird, nobody is supposed to be home for at least another hour." I thought to my self as I slowly opened the door. There sitting on the couch was my best friend Samantha, moaning softly with a hand down her skirt.

"Whatcha doing there!" I yelled trying to startle her, but to no avail.

"What I always seem to do when I'm not getting fucked," Sam said, continuing to play with herself.

"You're such a slut, Sam!" I exclaimed sitting down on the couch next to her.

"Not as big of one as you, slut," Sam moaned out while still playing with herself.

"Ya, you're right, I am a pretty big slut," I said while I grabbed her hand out of her skirt and sucked off all the juices off of her finger.

"Mmm," was all she said, as she leaned in and gave me a kiss. We made out for another five minutes, undressed each other, and explored each others body with our hands like we had done so many times in the past.

"What do you say we take the fun up to my room," I said jumping to my feet, and headed to my room with Sam right behind me. We got there, jumped on the bed and proceeded to eat out, and finger fuck each other. This lasted for close to an hour before we finally started doing sixty-nine. 

“Mmmm, fuck! You eat pussy better than any other girl I've been with,” I said on the verge of yet another orgasm.

“I know, you say that every time we fuck,” Sam said between moans.

"Just keep eating my pussy, I'm about to cum again," I moaned.

I thought I had heard something coming from near the door, which we forgot to close, but I was too busy cumming to pay any attention to it, and Sam was too busy devouring my pussy to notice either. I was laying there, recovering from my fifth orgasm of the night when I looked towards the door and saw Molly standing there watching us. We would be identical twins if she wasn't two years longer and didn't have black hair.

I tapped Sam on the side and pointed out Molly, and we all just froze for about ten seconds before I jumped up, walked up to Molly and gave her a kiss. She resisted at first pulling back, but then we looked each other in the eye for a few more seconds before she leaned in and gave me a passionate kiss.

“Care to join us?” I asked after breaking off the kiss.

“Uhh, sure,” she replied.

So I grabbed her hand and led her to the bed where Sam was waiting, and they started making out while undressed Molly. I got her undressed, then began playing with her tits and rubbing her clit.

“Have you even been with another girl, sis?” I asked while starting to finger her wet pussy.

“No, but I've wanted to, and I thought who better to do it for the first time than with my big sis,” she said with a grin on her face.

“Okay, but if you want to learn from a slut, you're going to become one yourself,” I said smirking.

With that, Sam grabbed Molly, threw her on her back, and began teaching her how to pleasure a pussy, and everything she was being taught was being used on me. That plus the rush from getting pleasured by my sister had me on the verge of my sixth orgasm of the night. But it didn't take that long for Sam to give my sis her first orgasm from another girl.

“Mmm fuck sis, you sure are a quick learner,” I moaned

“Well I am learning from one of the best. Ohhh Shit!” Molly screamed as she received yet another orgasm.

“The best, slut,” Sam uttered while eating, and now fingering Molly's pussy.

We continued the fun for another hour or so, pleasuring each others pussies, switching positions each orgasm, until Sam had to go. But that didn't stop Molly and I from continuing, and I got to teach her about my specialty. The idea just popped into my head and I started licking her tiny ass hole, and then got a finger in there. This lead to multiple orgasms for her, and eventually me when she used what I taught her on me. We both eventually passed out, then awoke to the sound of a car door shutting. Now realizing we wouldn't be home alone any more, she got up to gather her clothes.

“We're going to do this again right?" She asked as she grabbed her skirt.

"Of course we are. Oh and another thing, I think it's about time you start going to parties with me,” I said

“I'd love to,” Molly said before walking out of my room.