First time with my sister Kate

This is the story about my first time with my sister. My sister “Kate,” as I
will call her, was always talking about sex when I was growing up. This was
the early 70’s and she was a product of that era. She was nine years older
than me and I always looked to her help and friendship. When I was about
nine or ten Kate showed me how to rub her back and for the remainder of the
years she lived at home, this was my nightly duty. Not a bad chore to have
and I never complained. To this day whenever we get together I fulfill my
duty. Girlfriends and wives have always complemented me on my fine “handy”
work. As I got older Kate would always make comments about her body —
whether her tits were a good size, should she trim her pussy hair, how her
ass looked. I would try not to act embarrassed, I thought that this is how
adults talked. Plus I love to look at her body when she would ask. Once she
was trying on her bikinis and she asked me how she looked. Before I could
answer she took it off in front of me and tried on another. I couldn’t
believe what I had just seen. She acted as if nothing had happened. That was
the first time I had seen her naked and I have never forgot that picture.
When I was about thirteen or so Kate moved back home. This made me very
happy to have her back in the house. I resumed my nightly “duties” and she
would treat me to an occasional peek of her wonderful body. Around this same
time I had learned about jacking off and just shot a load for the first
time. I was growing fast and filling out. My cock was about six inches long
at this time and was really thick. One evening while watching TV, with my
Mother in the other room, Kate said that she was getting “horny.” She said
this in such a low and whispering tone that I immediately got an erection. I
had heard this saying before and I knew what it meant. She was sitting on
the couch and I was lying on my stomach in front of the TV. I looked up at
her and she was rubbing her crotch through her jeans. I noticed her hard
nipples pressing against her tee shirt. I tried to laugh, to hide my
nervousness. She told me to come and sit next to her, which I did. Mom was
right in the other room talking on the phone with her back to us. Kate took
my hand and placed it in between her legs. She leaned into me and told me
this is what they called masturbating and I had to press and rub her crotch
for her to have an “orgasm.” I did what my sister told me to do … always.
I remember sitting next to her rubbing her jeans and how hot and moist the
fabric was getting. She put her head back and was stroking her breasts and
nipples through her T-shirt. This was making me dizzy and very excited. My
cock was crammed so tight in my pants it hurt. I tried not to think of being
uncomfortable because I had a “duty” to fulfill for my sister. I rubbed my
hand on her crotch until my arm hurt. She whispered to me once or twice not
to stop, that she was almost there. She was starting to sweat and could feel
her heat and there was a scent in the air that was new to me.