Her pussy was at his eye level and he stared at the curve of her belly where it met the tops of her thighs and the bush that barely concealed her sex.... He moved his face closer and breathed in the aroma of her arousal. Unthinkingly she put her hands on his head and pushed his face onto her sex, and he began to lick through the coarse hair and along the crease of her pussy. She was so aroused that she opened to him straight away and he was able to run his tongue along the wet slit from her vagina. And right then with i help Billy’s pushed his cock all the way down my throat..Holding on I could feel Billy cum and cum straight down my throat into my stomach… With my mouth and closed lips around Billy’s cock Billy cam and cam as I with all might swallow and sucked on all the cum out of his cock and it started to get smaller and i let it fall out of my mouth and the nurse Lisa walked in and stood me up and covered Billy naked front with a hospital gown.. and then Lisa the opened the door. "God, Tandra! I'm gonna..."As I felt that first eruption, my sister's ass seemed to clamp on me tight enough to crush my manhood as she began to shiver and tremble. Then her sphincter seemed to pulse, and with each one, I jetted another stream of seed into her bowel."Oh God, Baby! I feel it! I feel you coming in my ass! S-o-o-o g-o-o-d!" Then she became incoherent as her own climax took control of her body. She collapsed onto her stomach with me still pushed as deep inside her as I could get.. It took me by surprise, but it was heaven."See you soon," she winked, and went up to to the door to her apartment.I watched her get in, and turned away and headed off for the subway. I was just two blocks away, when I felt a text.It was Kara: "Come back here. Dates not over yet."Just reading it gave me a tingle in my pants. I spun around and practically sprinted back to her apartment.I got up to her door. Over the intercom, I heard "I'm up in 3B," and she buzzed me in.I ran up the stairs to 3B,.