We got home and the girls showed me round the house and then to my room was right next to the laundry room. And all I saw was bra paintys and girls cl...thes. They said don't mind that. They lead me to this empty room with a king sized bed and a 50inch tv and a bathroom that's all. They said this is you room for now. As they headed off I head laughing and giggling. It was around about 10 o'clock at night so I didn't see outside. I just headed of for a good night sleep.I wake up to find my door. While I was thinking of her bush, I touched something soft & smooth like silk. FUCK! I had just touched my sister’s pussy! They were so so so very soft. I just kept moving my fingers over her pussy for few minutes. I was on cloud nine. Just as I was enjoying myself, she let out a moan. I felt like being struck by a lightening. Without delay I just pulled out my hands, turned towards the wall & acted to be asleep. I patiently waited, she was motionless. Again I resumed. But this time I didn’t. You slide your head under the blanket and wrap your lips around the head. You moan as you taste the pre-cum that is seeping out. I work hard to not make a sound as you suck on the tip. I want to scream out from the feeling. We both freeze as she stirs in the bed. After she settles down I quietly roll out of the bed. You are wearing a winter nighty with nothing under it. I lay on my back as you move your lips up and down the shaft. You are running your fingertips up my sides. I reach. Karen's hand was shaking as she rubbed his cock through his shorts; he felt huge compared to her small hand. She could see her earlier guess that he wasn't wearing underwear proved correct. Her hand snaked its way into his shorts. The unexpected warmth of his cock on her fingers brought the moment to reality."Oh, fuck!" said Bill as he hugged her closer. "Your hand feels so good!"Karen looked up at Bill as her fingers encased his cock. She snuggled into his chest. "It does feel fucking.