Being only a sophomore at the same school, she was already known as the slutty one. She often went out with different guys and had a reputation of be...ng a tease. Even though she was my sister, I was still a guy and knew that she was very attractive. At 5ft 5in tall, blond hair, petite body and perky B cup boobs, she was a head turner. I know it was sick of me, but I often would check her out at home when she would walk from the shower to her room wearing a robe.As we approached the one year. ‘If you want.’ She perked up. ‘Hell, yeah!’ Ben laughed and shook his head. ‘It’s nothing fancy. And we’ll need to buy some ingredients.’ ‘Okay.’ Elle enjoyed the rest of the day with Ben and River. She was glad that River seemed comfortable with her position as his father’s girlfriend. When it was time for Elle to go home later that evening, River requested her to spend the next day with him and his father. Elle looked at Ben and he smiled back at her with reassurance, so she agreed. On. His cock twitched, became harder still and he let out a groanof pleasure.Still his thoughts were not to make a mess with an orgasm, but he nowdidn't know what to do. He desperately wanted to stroke himself tosatisfaction but clearly could not do so unless he either managed to getthe waist pulled down or he made a mess. But he then also knew that ifhe could not pull the waist down now, how would he clean himself up ifhe just soiled the tights. It would be a sticky mess that he would haveto sit. She surprised me again. She took my hand and led me to the spare bedroom, which had still no bed it …the boxes we got from the storage unit yesterday, were stacked in the one corner. She lifted one of the boxes from the pile …opened it …out came this weird looking machine …a black half barrel saddle shaped device …with a place for different vibrating attachments …she mounted a stiff rubber oval egg shaped vibrator, attached to a ridged rubber plate …it had a wired controller to set the.