Undressing for my curious sister and her friend
My sister is slightly older than me and we have always had a great relationship.
One Saturday my sister had a friend (Lisa) over one afternoon and my parents had gone golfing with some friends. We were all in the pool for a bit playing some pool volleyball, then they decided to head up to my sister room to do whatever. They hoped out of the pool and I could not help stare at the girls bodies with their swimsuit clinging to them.
I carried on swimming alone for another half hour or so, then dried off and headed up to my room to play some games. As reached the top of the stairs walking past my sister room, I could hear them giggling, and her friend saying “ask him, go on”. My sister called out to me to come into her room, I pushed the door open and saw them sitting on the bed, their towels wrapped around them. “yes” I said, my sister piped up and said, Lisa and I were wandering if we could, um… see your, you know……we had some lessons in school and saw some drawings…. When were kids my sister and I were naked together, showering together, etc but hadn’t seen each other naked since puberty happened.
I wasn’t really bothered and said “I guess so”. I walked further into the room and took my towel off, leaving my standing in my speedos in front of the 2 girls. My sister said, “go on let us see”. I undid the tie of the swimsuit and pushed it to the floor, my cock springing free and a little dampness glistening on my small patch of wispy blonde pubic hair. They both sat there staring at my cock, my sister said “its definitely bigger than last time I saw it and you have hair there”. ‘Looks like the school pictures we saw”, does it get hard like they said? It does sometimes I said (at this age I hadn’t really experimented much). At this point I was feeling brave and asked if I could see their tits, they looked at each other and smiled, Lisa opened her towel revealing her swimsuit, she pulled down the straps and revealed her breasts, I was fixated and my cock started to swell, these must have been the 1st real breasts I had seen, my cock continued to grow. “does it hurt” my sister asked. “no I said” feels sort of nice.
Before anything else happened, we heard a car arrive, so my parents were back, we call quickly covered up and I left for my room with hard-ish cock subsiding fast.
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