Though it didn't always happen, the sibling hatred role-playing we put on for our parents could create a sexual tension between us that would explode ...as soon as we were alone. Today was going to be one of those special days.Amanda had my pants unbuttoned and unzipped in an instant. Had our parents returned they would have been greeted by the vision of me kissing my sister, one hand in her hair pulling her open mouth over mine while the other hand was over her breast, rolling a hardened nipple. “Just here please,” said Mikael motioning to the empty desk in front of him.Katrina knew the ritual by now and, without more prompting lay on her back on the solid oak desk. Revealing her shaved, slightly moist cunt to Mikael’s ogling eyes.Mikael rolled the chair forward slightly so his faces was inches from her aromatic cunt.“Please, begin,” said Mikael, pushing the gown up over her knees, across her belly and leaving it to rest piled up around her neck. Revealing her small, tennis ball, sized. There was no love making involved in this, he was using and abusing me like a dirty whore.Here I was in this school girl outfit getting fucked by my boyfriends dad on my boyfriends bed.He began slapping my ass over and over telling me I was a dirty whore."You dirty fucking little slut!!! fuck you have a tight pussy, You love that i'm fucking your young naughty pussy?"I was moaning and screaming my head off as he kept doing this. Eventually he pushed me down my head into the bed and. " "Roger that, Heinlein," I answered as the vectors appeared on my screenwith a flashing red light where the bay was. "We have it and arepreparing for final approach." I made the minute corrections that lined up the nose with the empty bay,and eased Christa into the waiting port without much more than a softbump as we settled into the berth. "Heinlein, Christa McAuliffe is in and ready for a nap," I told thecontroller through the comm. "Welcome aboard, ladies and gentlemen." The response came.