My Sister

So, I recently found out that my sister does coke and whilst on a sesh with her one night I had a real urge to tell her I fancied her and wanted to have sex with her. She is 22, fit, and has a sex drive to match mine. We talked about sex toys and everything she likes doing with her boyfriend. I have pleasured myself whilst listening to her and her boyfriend have sex, only wishing it was me.