My fondest s****l experience happened quite a few years ago, when my sister's friend Allison was staying over our place for a few days. She is a true beauty, with curves in all the right places. For a hormone driven young man of twenty, having a beautiful young female like that sleeping, undressing and changing in my own house gave rise to all sorts of erotic imagery and naughty fantasy. As I lay in bed that night, I put my hand down my pants and felt the erection her mere presence had caused. Dirty thoughts flowed through my mind as I could hear her moving about in her room preparing for bed. Oh, to be a fly on her wall as she undressed! While I might have wished it, unfortunately I didn't hear anything erotic going on in her room, and after a few minutes of silence, my tired mind soon fe
