I could feel my nostrils flare as air was forced in and out of them. She raised her hand and brought it down hard on my ass with a loud echoing smack... Her hand dug into my red welted ass cheek as her convulsion now took a wild turn. I held her down firmly as she shook wildly. I continued to suck and flick as I rode her through her entire orgasm. I could feel her tits smacking against my thighs as her body flailed wildly. “Oh fuck, oh fuck, yeah fuck!” she moaned, never once failing to keep. Suddenly he pulled out of me and I groaned my disapproval and begged him to continue. “I want to fuck you on your back,” he said while looking around the room. “Hold on a second.” I lifted myself to my feet as Michael stood. He left the shower running but went to a locker and pulled out a towel and laid it on the floor. When he had spread it out he pointed to it and said, “Lie down.” I did as he instructed and positioned myself on my back with my knees spread. Standing over me he put his hands. Her legs were long and awe-inspiring, and her torso was lithe and slender, almost serpentine. Her long, obsidian hair reached down to the middle of her back, and she accented her dark brown eyes with heavy eye-liner, and thick long eyelashes. Dark, blood red lipstick, which matched her long nails completed the image. Her body was clad from head to toe in a tough, magically-tinged leather armor, accentuated with heavy chains around her waist and wrists. A collar around her neck, protected. We fiercely clutched our hands together. Already she began to feel the onset of mini-climaxes, even though i had not yet begun to move inside her body. Pain or blood, only the sense of being incredibly stretched to fullness. I slowly pushed my penis in until i felt it could go no further, sure that i’d hit the impassable entrance to my breathless sister’s cervix. I stayed there for just a moment, to enjoy the feeling of being so deep within her. Impatient, she subtly wiggled her hips beneath.