I was 18 years old and she was 23 years old
First of all please excuse my bad english. When I was 18 years old I buy porno mags with stories of masturbation between brother and sister because I am very horny by this fantasy. I imagine my sister do that and when I masturbate I cum very quickly. One day I saw one of my mag disappear. Going to explore my sisters bedroom I saw the mag under her pillow. I think she masturbate too because the mag was very horny.
The night my sister went to the bathroom to wash, I hid under her bed and waiting. 15 minutes after she closed her door I hear her reading the mag. I was hard and began to masturbate. Suddenly I heard a sloppy sound and moan. I was under her bed and saw my sister nude with her legs wide open with closed eyes fingering her pussy with two fingers very hard and quickly. The sound was so great I masturbate my hard on to look at her. The final orgasm was near and my sister opened her mouth and her eye.
She saw me but her orgasm was on, she had an explosive orgasm and I had one in the same time very very hard too. I cum and cum and cum a very huge load of cum. Many load fall down on her tits and her face, in her mouth. The orgasm was so explosive that my sister was unconscious on her bed. I quit quickly her bedroom very horny but very afraid of her reaction. The night passed and in the morning the day after I was afraid to go out of my bedroom. My parents were at work and I was alone with sis at home. My sister call me...to be continued