I sat at the end of the bed, naked with a hard throbbing cock. I sat there watching them both kissing and touching each other. Her large breasts with ...ock hard nipples were both exposed, he was sucking on them, marking them with teeth bites and hickeys. I have never been so turned on before watching her with someone else, I never thought I would enjoy this for real. She was moaning, arching her back, and wanting his cock. She was whispering in his ear, softly so I couldn't hear her. He was. ." You'll beg to be fucked. You'll do anything to have a cock in your ass to fuck you till you cum."It was worse than I thought."But...you can't... You glued yours down, too." Maybe you'll meet a hot guy at the club," she shrugged.I was horrified."Why would you do this?" Cuz I'm evil. And it's the price you have to pay for getting to be so hot. It's an affront to femininity to walk around looking like that, turning guys on, making other girls jealous, and not be faced with the potential. I don't think so. You weren't that good," she said heartlessly.She smiled as the young man's head sagged."Go on! Fuck off back to the party. I'll follow on later so people won't notice us returning together," she ordered.The young man sauntered away; heading back towards the light and sounds of the party.I zipped my fly and was about to turn to follow when a twig snapped under my foot. I stood dead still. My sister's head snapped around and she stared into the gloom. I wasn't sure if she could. Baker, my math teacher. When at school she always had her blonde hair up in a tight bun, her dark rimmed glasses framing her blue eyes and a jacket and skirt combo not showing off any of her womanly charms. The typical "schoolteacher" look stereotyped in all the current television programs. This was a new to me Ms. Baker. She was wearing a Boston baseball cap with her long blonde ponytail flowing from under it. Tight jeans and a loose fitting flannel shirt ideal for yard work this time of the.