I grunted and startled at the heat of her firm tongue. Sue stared open mouthed at the stranger with my dick in her mouth. Jane licked down my shaft an... onto my balls while slowly stroking me. She stared into my eyes as she sucked my shameless dick into her moist mouth. After a moment of gentle sucking and stroking, she sucked me harder and deeper. I was already breathing hard when I felt her throat firmly grasp my cock head and draw it deeper. The heat and grip of her throat quickly got my hips. She grabbed my cock and stuffed it into her mouth, sucking on it like an expert. I was relived that i was shaved, and so was she, but jack was not. She fell of his cock, and readjusted, guiding his cock into her immaculate pussy with one hand. After about 2 minutes, we changed positions. She laid down onto jacks dick, and i laid on top of her. I put my cock at the entrance to her asshole, and jack pumped into her while she moaned for me to stick it into her. I pushed into her and fucked her. My brother, sister and I were at the house by ourselves for the weekend because our parents were out of town for the holiday. My brother is 2 years younger than I and has a knight in shining armor complex. My sister is 4 years younger than I and likes older men. My brother had gone to get his girlfriend who was in a bad situation and bring her to our place for the night.When he got back he was covered in blood where someone had hit him in the face with a chair. I saw the blood and after asking. As I approached them I saw his hand, clutching her bare buttock cheek, which was truly exposed, as her knickers elastic had settled into the bottom of her ass, exposing her to the gaze of several man, watching with amusement, and guiding their unsuspecting dance partners over to them so they could brush her buttocks with their hands as they eased past them.I moved in behind her, blocking all the free wheelers looking for a free grope, and spoke gently to him, expressing my concern that he was.