When I raised my hands to caress her lovely breasts, she slapped my fingers and tied my wrists to the headrest. She straddled me and engulfed my hard ...cock with her slippery cunt. But only for a minute. Then she crawled up to sit on my chest with her legs spread wide. She grabbed the back of my head and lifted me, till my mouth was pressed firmly against her shiny cunt. When my tongue played with her lips and her clit, she said something for the first time. She groaned sexily."Yesssss. Oohhh,. I again felt embarrassed. I had seen my sister naked before and didn’t really feel that way before but watching her masturbating was different.To take care of that bulge in my pants, I decided the best way would be to watch some porn and jerk off. I booted her laptop, opened Chrome browser and then headed straight to PornHub.The videos didn’t help much as the picture of my sister masturbating was still in my mind. I just closed the site and then jerked off to that picture. God, did it feel. Behind the heavy steel door was an unexpected treasure, a store filled with the most amazing bondage gear. We were the only customers in the store, the leather clad clerk behind the counter had tattoos on every inch of her exposed skin. She told us to call her if we needed help, then left us to explore the store. Mia picked up a riding crop and started swishing it through the air. I was fascinated by the manikins in risque leather outfits and a wall of leather hoods. Mia browsed through the. "Can you lay out the plan to Marsha, and then inform Theresa exactly how much is expected of her? I want her to know in no uncertain terms that if she can't fill in one-hundred percent for her mother over the next thirty days, I'll have to bring in a replacement." Sure thing, Jim. I think you're making the right call on this one."My thinking exactly.-o0o-As I drove Theresa home that night, she was excited by the turn of events. Why wouldn't she be? Here she was, fifteen years old, being saddled.