The sensation of his hand on her pussy heats up. The tingle builds until she must either cum or die. It is a different feeling than when he had fucked...her pussy. Then, it had built slowly and her orgasm had blossomed from her clit, warmth spreading through her. This time, with his cock fucking her ass and his fingers working her pussy, she knew it would explode from her in a sudden rush.He takes his other hand and clamps it over her mouth. He drives his cock hard into her ass. His fingers pinch. I'd been doing it some since I saw the guy in the shower room that day and now Steve's mother was asking me to do it so she could watch. Or, she might tell."It's not such a big deal, Andy. Just let me watch you do it, come on, we can use my bedroom," and she took my hand and led me up the stairs where we turned the other way from Steve's room and went in her room.She pulled the covers back and stood next to the bed."Maybe this will help," she said as she pulled her robe open and let it slide. I clasped my arms closer around myself to fight it off.She asked, "Want me to keep you warm?".I nodded yes, several times.She moved closer to me, putting one arm around my head to cradle me onto her bosom, and using the other arm to rub warmth into my back and shoulders. I snuggled into her and she said, "There, now." As soon as I was settled against her she unbuttoned her shirt and opened it loosely. She pulled up her bra, baring her breasts, and wiggled down so that her left nipple grazed my. Somebody dragged a light blanket on top of us. I didn't know if it was one of the girls or one of the parents. It didn't really matter.I extricated myself, waking the girls. I kissed Pamela then Cathy. "I have to go back". I stood up.Cathy said, "Could you pick me up tomorrow after work?" Of course. Where do you want to go?" To your place." She looked apologetically at Pamela. "Before I start getting weak, I want to..."Pamela nodded. "Do you want me there, or do you want to be alone with.