I wasn't sure what he had in mind but, I did have a feeling that he wanted us to be alone. I did ask how he would enter the building and he said at h...s school (a small private school) students had keys to the building and rooms. I thought it was great. It was a terribly cold day and windy with some snow. We started south of Pittsburgh to north of Pittsburgh (PA). It would be about a 90 mile trip The uneasiness left with in 5 minutes of .the begiining of the trip. The conversation quickly. She grabbed the back of my head and pulled me hard against her pussy as her hips bucked wildly as she began to cum. I didn’t think she could get any wetter as she had her orgasm. I continued to finger her asshole and lap up her teenage cum. In a few moments she was pushing my head away begging me to stop. I climbed up on the sofa and lay down on my back, my face covered in my sister’s pussy juice. She rolled on top of me and began kissing me and licking her juices off of me. My cock hardened. I had almost forgotten what sexual arousal was, but that somehow seemed irrelevant. I had never experienced the tingling need that was taking control of me between my legs right at that moment. Her toes were supple and precise, her big toe sliding up and down my opening and then deftly pressing into the material and finding the nub of intense pleasure, which she slowly began to circle and press on. I could hear little gasps escaping my lips but was unable to contain them. I parted my legs a. To describe rittu, she is 5 feet 2 inch tall, slim with slightly curly hair, tanned skin, about 32 B size boobs and nice round ass which was the main attraction on her body. We booked an Uber to the hotel and reached there with half an hour. It was a nice atmosphere and I started to interact with my old school friends. I could see some boys gathering around rittu to talk to her and give her shake hands and also to take selfies with her, which is a usual routine when you see a hot chick.After.