She came three times inside the next few minutes, the first couple of times screaming her lungs out and frigging her clit like crazy while curled over her, squeezing her tits through her clothing and holding myself as firmly up into her as I could while she spasmed and lurched beneath me.
When she started cumming the third time, I kneeled straight up behind her and held onto her hips and started shafting her ass as fast as I could, big hard strokes all the way in so my thighs slapped against her buttocks.
Even with her own orgasm overwhelming her, she could feel I was about to cum and started yelling: “Yes, yes! Oh, fuck me, fuck me!” And as I lost control and started pumping streams of cum into her in grunting, violent thrusts, her lustful pleading changed to “Fill me, fill me, fill me!”
I was seeing stars when I finally let out the last hitch of cum into her ass and slumped there trying to catch my breath. Finally I withdrew, my cock slipping easily from her thoroughly abused back passage, and sat back on my haunches, fascinated by the view of her distended anus, rimmed with baby oil and glistening within with cum.
Her asshole gaped so wide that at that moment that any man who’d wanted to take my place could have stepped up and slid his throbbing erection into her with no difficulty whatsoever.
Then, as she continued stroking her clit in a post-cum daze, she squeezed and her asshole winked gradually shut – one, two, three and closed tight.
She stayed there for a moment, head down, bum up, catching her breath. I got out of her way as she finally sat back, getting off the bed and finding some tissues to wipe my greasy cock.
When I turned back, Kati was standing beside the bed wiping excess baby oil from between her ass cheeks with the knickers I’d told her to remove just 10 minutes earlier.
Then she smoothed down her skirt again and checked her hair in the mirror.
Half an hour later, she was walking into the restaurant with her ass full of cum.
“Sorry we’re late,” she said to her girlfriend, wishing her happy birthday and kissing her on the cheek, “something came up…”