I continued to work her panties down until they too were around her knees, then I slid the index finger of my right hand into her crack and began massaging her clit. The moaning doubled in volume, and her hips began to writhe. I continued to masturbate her, my finger sliding up and down, as my tongue intruded itself into her anus. The finger and tongue worked together, going up and down, in and out, at the same time.
After a few minutes of this she began to tremble violently. She was moaning loudly, and I could see that she was only seconds away from orgasm. So I sat back and removed my clothes, then leaned forward and let my hard cock slowly slip into her pussy from behind. I ground my hips against her in small circular motions, moving my cock slowly and sensually in and out of her, until I could feel myself getting ready to cum. As I did this she emitted an almost constant moan, broken only by gasps for breath which grew louder each time I thrust deeper, a kind of 'OHuhOHuhOHuh.....'
I sat back to prevent myself from shooting my wad, and returned to caressing her clit with my finger while rimming her anus with my tongue, until once again she was close to orgasm. I alternated between the two positions several times, I lost count how many, until at last I moved to one side, leaned forward and put my face close to her ear.
"Are you ready to cum, little slut?" I asked her.
"Oh please," she replied. "Please please please."
"Please what?" I asked.
"Please Sir," she replied.
"Good girl," I said. "For that I will reward you."
I leaned back and began to stroke her clit harder and faster, and her moaning became louder. I slid my right thumb down into her pussy and got it wet, then slid it back up to her anus. As I masturbated her I allowed the tip of my thumb to penetrate her anally, which caused her to gasp and arch her ass up toward my hand. I stroked her clit harder and faster, and with each stroke my thumb penetrated deeper into her ass.
She was beginning to get very noisy, so I leaned forward and put my left hand between her shoulder blades, pushing my full weight down on her, and her face deeply into the bed. I could hear her gasping for air between the moans. Suddenly, she gave a high-pitched wail, like an extended 'Eeeeeeee...', as her body became completely rigid and the air squeezed out of her lungs. She came hard, and as my right hand continued to work, for a very long time.
Then feeling urgent myself, I straddled her again and thrust my cock into her. Hard, this time and pounding. I grasped her hips, my fingers hard and like claws pulling her toward me as I thrust into her, and I could hear my thighs slapping against her buttocks, until suddenly I spasmed, and felt the rush of hot cum pumping into her pussy.
When I was done I rolled off, sitting to one side. I caught a motion out of the corner of my eye and looked seeing her friend stand up and pull her top off over her head to reveal bouncy tits.
'Okay,' I thought to myself. 'Round 2'.
