I started licking her boobs. I put a love bite on her nipples while she scratched my back, her big nails digging on my skin very hard.We were just kis...sing each other for 8-10 minutes. Then I grabbed her hand and took it to the button of my pants. My sister opened that button and took off my pants.She took my penis in her hand and started stroking it. Then my sis took my penis in her mouth and started licking it. Her teeth were gnashing on my penis but I was having a lot of pleasure.After a. Shefrequently pulls out and away from me for a moment to"come up for air", with a sticky string of liquidintact from the inside of her mouth to my raging hard-on. After a few repetitions of this I often can't holdback and will spurt copiously in her mouth while shelets it all run out.I remember one time very vividly. Cassie had teasedme for quite some time, and the dribble was oozing outof her mouth. Then she slowly plunged forward all theway until the tip of my erection was well into. The Air Force was evaluating operation readiness of our C5s in preparation for decisions on the next one. I guess I was not listening or hadn’t read the details of the Air Force contract. I was under the impression that they were to be a year apart, not a few months. They were holding up their end of the contract with paying flights almost weekly so I guess I should not complain. It was just more of the reams of paper and meetings anytime one had contracts with the government.The final meeting. I could feel him hitting my g spot over and over again. This made me cum all over his cock slathering it in juices. He gained motion getting faster and slapping my tits with his hand. I liked that he did that and I wanted more."Slap my face," I ordered him, "Slap me as you fuck me!"He slapped my face causing my cheeks to burn. It felt hot across my body, as if I was on fire and his cock was the only thing that can stop it. I could feel his cock getting used to my pussy, massaging every area of.