I seized one of his hands from my waist, clamped it against my engorged clit, and start grinding like a peppermill, making myself cum again with his d...ck remaining almost fully erect inside of me. “This feels so good, Kev, I can’t stop.”As he caught his breath, he caressed my glistening back with his left hand. “Should I be concerned that you are unusually turned on because I bought you an expensive piece of jewelry?”In an orgasmic daze, I kept smashing my soaked bush against the heel of his. Patty had already climbed out of the water and up the bank by the time Chris and I climbed out. She grabbed my penis and pumped it with her right hand while her left hand drifted down her crotch. She pumped me for probably a minute as she rubbed herself between her legs before Chris said "OK, that's enough" and pulled me away toward the rope. At the rope, Chris wrapped herself around me again but this time I could definitely feel her crotch pressing firmly on my erect penis as we swung out over. The words gave him an encouragement to finally get on with it, and with one quick tug he pulled her around and pressed her to him, claiming her mouth in a passionate dance of lips and tongues. Her back arched and she pushed her hips even closer to his, feeling the growing bulge press into her belly through his jeans and her satin top.He released her from his grasp and commanded, “Strip.” She immediately complied, pulling off her shirt and dropping her skirt to the floor. She undid and dropped. We are deployed together , we trained together etc. We are good buddies. I first met his sister (Anna) when she was 17 and we were 19 years old. He had once invited me to his house to stay.I thought she looked kinda cute, but anyways she was just 17 and even if she was older i wouldnt have done it with my buddy's sister! Anyways i think she was also attracted to me a little bit. She used to come to see her brother sometimes with her parents. i always took the opportunity to see this cute little.