Needless to say I didn't sleep that night and whacked off about 10 times until my cock was raw.The next night I slept by the staircase listening for h...r to go into the kitchen and around 2 am she did and then likewise for the next three nights after that, it was her routine. I decided to stake out the guest bedroom she was staying in with a camera. At 1:30 am I was upstairs, watching a feed on my bedroom computer I saw my sister masturbating. Vigorously finger fucking herself while clicking. Whatever it was, it wasfairly large! Going from my collarbone, all the way up my jawline! Asthe leather tightened, I could feel it pushing my chin up and forcing meto keep my head in one position! I was being put into a posture collar!I could also feel it doing something around my ankles at the same time!What the hell else was it doing? I felt something wrap around my ankles,but I couldn't tell what else happened. I was a little worried, but itwas hard to focus and I was getting very turned on. Did you want to ask them yourself? ... You're sure? ... OK, I'll call you again tomorrow." He clicked the phone shut and then froze in place as he realised the three girls were staring at him."What?" You're going to ask us what?" Shawna asked."And who was that, anyway? Nick?" Hope added."That was Ally," he explained, putting his phone away in his pocket. "Nick asked her to marry him..." he started, but Hope's squeal of delight cut him off."Aren't you excited?" she asked, having turned to Shawna. She pulled on the clear high heels, another clich?he’d decided to follow.Steve came back to check on her. He had to do a double take, he’d seen her when she walked in- how’d she change from strict school teacher to slutty stripper? His cock twitched.“Perfect.”She gave him that same roguish smile and kissed his cheek.Anne-Marie was waiting at the door for her. “So, you decided to come down?” Her friend was excited.She nodded and flashed a quick smile.“Awesome. So, there’s a bunch of horny, sexy,.