When I was about 18 , Icouldn't resist looking at my sister Cathy's pretty underwear and nighties. I got to wear them when everbody was out and loved the feel of soft nylon and silk on my skin. One day while alone, I sneaked some pretty panties and baby doll from her room and tried them on in my room. I was so artoused, I came almost immediately, pumping my sticky stuff into her panties and soaking them.
I must have fallen asleep because the next thing I remember was waking up with the sound of her scalding me. She was older than me and I took the wet sticky panties off and promised her I would wash them. She told me she would repay me!
The next week we were at her friend Debbie's