When I was about 16, I caught a glimpse of my sister in her bedroom getting dressed. I could see her tits and she was wearing pink lacy panties, I tried not to watch but hey I was 16 and she was 17 anda half.
I found myself getting hard, she spotted me and told me to go away. That evening I went for a shower and I was putting my clothes in the laundry basket when I discovered her pink panties. I instantly became hard as I held the panties around my cock, it was nice and wet. I started to sniff her panties, they smelt sweet and a little bit moist from my pre cum, it all tasted nice and I came quickly. I had a shower and took the panties with me.
That night I was home alone so I thought I laid on my bed completely naked, cock in hand, sisters panties by my nose and to my amazement she walked in, and asked what I was doing. Well I couldn't deny masterbating and holding her panties, I went very red. She told me to cover up and then said no put my panties on. I did but this didn't help my cock, I felt great in these panties. She asked if I wanted to see her in panties I said yes, all the time wanting to stroke my penis.
She took her jeans off, wearing a pair of light blue lacy panties, I could see her pubes, she asked me if I wanted to feel these panties ok I said. I stroked the back of them they were nice, she said feel the front it's lace. I did, I could feel her pubes and she grabbed my hand and put it inside her panties and told me to stroke, she was so wet.
She laid on the bed and told me to wank over her panties, I did very quickly. She told me I was a perv, but she keeps coming back for more and I still pinch her panties for wanking sessions.