July Monthly Story (2025)
But the fight to knock her up is fierce, as everyone tries to steal a march on each other and a sperm cell into june's next egg cell.
Mad Doctor
Sertoli cells function to nourish the developing sperm cells, they secrete androgen-binding protein, a binding protein which increases the concentration of testosterone inside the seminiferous tubules." "ohooo gods i can feel it up in my guts..."
Showstopper!
Soon millions of sperm cells encircled the first egg inside her, and then a mad dash ensued to determine which of them would be the lucky winner.
2024 June Voter's Choice Poll
But the fight to knock her up is fierce, as everyone tries to steal a march on each other and a sperm cell into june's next egg cell.
A Psychic's Desire For Power
Then she shrieked with the kind of psychopathic mind that one would expect from someone as crazy as her, and mewtwo felt their heart drop as they felt it too; one of their sperm cells finally began the process of fertilization and the human’s triumph was like
"Family Tails" - Chapter 20
After their genome was mapped and carefully studied, samples of their dna were modified and inserted into eggs and sperm cells.
The Start of Something New
The draconic sperm cells noticed this and swam up to investigate. hundreds upon hundreds died in vain of discovering what it was.
Brandi and Friends
She moaned as she felt even more bubbling inside her, the sperm cells swimming and seeking out her eggs, looking to fertilize her human cunt with their pokemon seed. “please…...more.”
Housewarming in Heat, Chapter 5
She could _feel_ knaster's essence inside her--warm, wet, virile seminal fluid that stuck to her insides, containing some ridiculous number of tiny sperm cells that were right now attempting to do something they really should not have been allowed to do.
Commission: The Wizard's Guest
She whined and groaned as her stomach expanded from all directions, her body feeling so incredibly full that she wasn't even able to reach past her rounded stomach, the squirming, wriggling mass of these huge sperm cells inside her pressing against her in
Gotta Lose Em All! Ch.1
Billions of virile feminine sperm cells flooded the womb of the wrong species and swarmed the lapine egg cells. dna of human and lopunny kind mixed. and fertilized. but neither human or pokemon knew this.
Rise of Red Comet, Chapter 4, The Draggo Lesson
He watched the animation of sperm cells travelling to the egg, and the formation of the egg. the animation finished with an anatomically correct dragoness laying the egg, incubation and hatching.