Clare ran into the corridoor, still wearing the dress. She had no idea what to say, what to do, so she took a moment to compose herself before entering her sisters room. She was about to go in when she heard noises from within. Moans. She pressed her Ear up to the door trying to here what it was and was very surprised at what she did hear.
"Oh... Matt... Oh... Matt.... Deeper... Deeper.... Harder... make me your bitch!"
Clare was outraged bursting through the door to find Olivia sitting there on the bed, two fingers inserted into her pussy furiously pumping away. She jumped as her sister burst in and quickly made an effort to cover herself with the bed sheer.
"You Cow!" Clare said through bated breath. "Matt is mine! How dare you fantasize about him"
"Clare! I can explain!" said her hot and out of breath sister, still draped in only the bed sheet.
"Enough! I don't want to here it!" She said, Anger still pervading her voice. She raised her fingers and pointed them at her sister. Waiting for a clear thought to enter her head she finally snapped her fingers and waited...