Mutual, muted groans of delight were barely audible as they pushed and shoved against each other. She could see his desire reflected in the mirror and...the concentration he was exercising to achieve a speedy ejaculation. Their goals were perfectly aligned, as were the pleasure centres of their bodies. The head of his cock was rubbing back and forth across that area inside her which was especially sensitive. Their sexual urgency matched only by their awareness of being caught at any moment.It. “Omg, what a surprise. You want something to eat, Pratyush?” Priyanka (my sister) asked me as I tried to turn around and leave. My stepmom turned around as well, and she gave me a slight smile as she always did.For the first time, I smiled back at her. But it was still a hesitating smile. “No, I was just passing by. Actually, I am going outside for a walk, so I came here to inform you,” I said with a stammering voice. “Okay, come back soon then,” Priyanka told me, and then I left.I strolled. She was more like a giant fire plug. Oddly enough she had a very pretty face with deep blue eyes, long lashes and a nice smile. Topping off this large creature was a massive, bright red afro. She had the habit, which I liked, of calling me all kinds of pet names like hon, sweetie and sugar. At night, we were the only two people in the building. We rarely saw one another while working because we labored in different parts of the building. At eleven o'clock we would punch out together and. I went up stairs to the bathroom checked my make up and slipped my dress off and gave myself once over laying my dress on the vanity there.I open the door and head back down the stair just in my lingerie. I was neverous just a bit not knowing if he like but when he seen me comeing down the steps he stood up and meet me at the bottom.He took me in his arms an kissed me passionately let his hand squeeze my ass as we did. He said that he hadn't had any sex in 10 yrs.I said thats ok and I wanted.