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Clandestine

With nowhere else to go, conveniently held in by his medial ring, the sperm cells race directly for her fertile egg; this is the best time for her to become pregnant, and she knows it.

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Chapter 4: husbandry; noun: selective breeding and production of livestock or crops

But every sperm cell ends up trapped inside the rubber. her uterus teases, sucking and kissing his cockhead. like a open door begging for any to come inside.

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Six Surprises

Big mac, she thought with satisfaction, the words a purr in her mind as she extracted a healthy sperm cell from him. i wonder how you'll feel when everypony realizes your own brother is the father of your foal, applejack?

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Request - Mr. Cuck'ol- I Mean Chuck

"my cum's thick, but its sperm cells are frequently searching for egg cells," he said as he inflated her wet pussy with his cum. with a bit of explanation he got done with, he resumed being breastfed by her.

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A new lesson in love

Both the lions began to roar with pleasure, kovu dumping every single lion sperm cell into his gay lovers ass. after a few more thrusts, their orgasms subsided, simba however managing to not cum, saving himself for what was coming next.

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Duel of Passion

Suddenly millions upon millions of sperm cells began swimming to it, they began digging and prodding and trying to break the shell of the membrane and enter.

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Red Dawgs: The Fox and the Farmboys (Collab with Moxyhot)

His balls were boiling as slowly his human sperm cells were corrupted into vulpine seedlings. thoughts of wild beast boy sex was filling his head along with deep instincts of foxy hunger and need.

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Invasion of the Tentacle Monsters Chapter 2

In the gush of cum, alien seeds which looked like enormous sperm cells landed on the bull's face. the slithered towards his ears before disappearing from sight. the seeds planted themselves deep into the bovine's ear, dissolving into his brain.

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The Windsar Adventures Part 8: The Rape of Threetails

But malik was no normal male, and it seemed almost no time at all before the lead sperm cell burst into the long tunnel where threetails' egg waited.

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Coco learns to worship

Then he realized what it was absurdly huge sperm cells twisting, and wriggling around in every corner of his wives needy cunt. it terrified his addled mind, and put a slight fearful dent in his erection.

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Kor’s Experiment

Each epididymis, where the sperm cell would mature, was repurposed and filled with the slime's substance, erasing the orc's fluids and bathing those testicles with a fluid that would increase its host's virility.

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Bigpip's blunder at IRBM facility

Causing some of the sperm cells to die. the white sperm cells were indeed strong despite being outnumbered they were putting up a good fight but they were being pushed back deeper into the body.

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