Starting to breathe heavily she immediately straddles his waist, her hands forcing Michael's shoulders into the bed. "I'm not your sister. I'm adopted..."Startled, Michael tries to digest the information, though it gets increasingly hard to keep a clear mind as he watches his sister, from her flowing, low cut blouse down to where it just reaches the top of her low cut jeans. Clutching at his shirt she pulls him partway up and says, "Mom confirmed it. And I've known you've always found me. "Good point, but you really wanna have sex with me again?" Marry asked."Yes," I replied.I think both of our heart rates were through the roof, we were being incestuous, and we were loving it. Eventually my hands went to her back, and I undid her bra. I threw it on the floor and she hovered her boobs right over my face. Emily had done that for me before, it was probably the best sight you could ever see. Two boobs literally only inches away from you. Plus, when you do see it for real, you get to. When I got back in the room he was in the bed. “Join me?” He asked.“No I think I should be getting home now…”“It’s like 2am. You can stay the night. I guarantee you’ll enjoy your wake up call.” “As tempting as that is, I think its best I go.” “Feel free to use me again.”I winked as I left the room. I redressed and let myself out. Checking my cell I saw several messages and missed calls from my husband. I didn’t bother reading them or listening to my voicemails. - I’m on my way home. - I texted. But I also knew there were some things that she liked to do that required a helping hand. One of those things was having her nipples fondled. She had always had sensitive nipples. With the right hand, she could have an orgasm just from having her nipples pinched. We had achieved it once and come close several times. It would take just a little bit of a push, and she would squirt. Her most explosive orgasms caused her to squirt, and those were, in her words, the most fulfilling.I turned around.