Mandy and Gary

This is the continuation of my earlier story Meeting Gary. I was seventeen, had left home and was sharing a bedsit with a 22 year old guy named Gary. I have never met anyone like Gary. A rocker type, long dark hair, dark eyes and a massive sexual appetite, girls literally threw themselves at him, he had a different girl every week, in fact several a week. On the other hand I was 17, shy, tall, thin, long blond hair, I was like an young, effeminate Bowie and relied mostly on Gary's cast offs for the occasional sex I was lucky enough to get. A few months after I had moved in, Gary and I had been drinking for several hours when Gary's half sister Mandy turned up. She was sixteen, a really rounded figure with huge tits and a gorgeous face. I was totally smitten, she was simply gorgeous and for once, someone who genuinely seemed interested in me. Gary paid her no attention and as I sat drinking with her we got close, shared a few kisses and after a while we both became quite drunk and our touching was getting hotter as I massaged her breasts and got my hand inside her knickers as she rubbed my crotch. I don't know how but the next thing I became aware of was me sitting one side of her with Gary on the other and we started to undress her. I was slightly taken back but she didn't seem to care, pulled off her top, unclipped her bra and lifting her bottom off the sofa as Gary pulled down her jeans and knickers. Gary and I both undressed. I leaned forward and started to kiss her as Gary went between her legs and I heard her moan softly as he had clearly hit the target. Before long Gary and I were sucking her breasts before laying her back on the couch as Gary continued to suck her breasts as I parted her legs and started to slowly lick along her pussy. She tasted really sweet and her musky odour send me wild. She was now groaning loudly as I stroked her pussy before inserting two fingers into her extremely wet pussy as I licked her clit. I glanced up and Gary was now leaning over her and feeding his cock into her mouth. She started to gag as he thrust deep into her throat and then I could hear her slurping on his cock as he groaned loudly. I could feel her pussy tighten around my fingers and it was clear she was going to orgasm. I slowly thrust my fingers deeper into her pussy whilst reaching down and stroking my cock which was now throbbing and desperate for release. In the next second I felt her buck underneath me and squeeze her legs tightly around my head as she started to swear at us as her orgasm surged through her body. I pulled myself free of her legs and feeling my cock swell and my orgasm coming I only just have enough time to kneel forward and shoot my load over her stomach as Gary ejaculated over her creamy white breasts. As soon as he's done Gary gets up and disappears to his side of the room whilst I lay down with Mandy. We must have fallen asleep as when I woke in the morning she was up and getting dressed, kissed me and left without a word. I never spoke to Gary about what happened but I did meet Mandy again but that's another story.