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Ronan

Please collect a semen sample every hour, and label the sample container with the time." ronan didn't understand. he scrunched his brow. "you _want_me to masturbate all day? is that...unhealthy in some way?" "no," she said.

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Animorphs: Lost Journal 5.5, Chapter 3 - Is the Jar Half-Empty, or Half-Full?

I'd promised to help her collect a sperm sample of some rare deer, but everything had gone wrong. normally, i'd never have let cassie risk her life like this, but i knew she would do it with or without my help.

Animorphs, Bestiality, Cervine, Deer, Fanfiction, Fingering, Heat, Impregnation, M/F, Non-Anthro, Spooge, Transformation, Underage, Vaginal, Zoophilia

A Doctor's Delight

So what happens when you 3d print a clone of your son using his sperm sample and uploaded it with his memories? you take him home and do some in-depth examination to see how good the result is... 

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Dark Desires Chapter 5 of 25: James' Clinet List: Sexual Arts Field class

Once, inside her privet room a plastic vile of james' sperm sample automatically pops out of her pussy. she then places the vile in her bag. mary then, places fresh cloths on the bed and heads to the bathroom to take her shower.

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For Science - A Sylveon Tale

This is where we'll introduce your body to a variety of stimulants, and collect the first round of semen samples.

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Changed Life Aboard the Yokubo

Well, this check-up will be relatively short, so no worries," shi assured to him, "i just need a semen sample and then i can ask ya a few questions." he stepped back a little, a bit confused, "wait... a semen sample? isn't it usually a urine sample?"

Bizarre, Chemical Use, Cock Growth, Hermaphrodite, Hyperphallic, M/Herm, Other/Herm, Transformation, Various Species

Pheromones and Dragon Scales Chapter Nine: A Cure For Everything But...

I looked at that and the cum sample that we had tried to use to first change ajani and it's almost a complete chemical match! the pheromones are binding with hormones like testosterone to create some sort of super protein!"

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The lottery you do not want to win

It was the last semen sample he would ever give. he had several previous samples in the sperm bank. he was panting as the last sample came out and his knot was stuck in the tube. his semen was clear now.

Anthro, Anthropomorphic, Boy, Castration, Cub, Fox, Girl, Lion, M/F, School

The Club-Catching a Slave

"sperm sample it is, then," the polar bear said, holding damo's mouth shut so that he was forced to swallow the bitter tasting pills.

Bear, Chemical Use, Cub, Dragon, Handjob, M/M, Master/Slave, NC, Polar Bear, Scat, Watersports

Learning to Swim - Part IX

"i just need a bit of blood and a sperm sample, hon. following up from yesterday." ellie looked down as robyn lost her sense of modesty in thought and let a breast slip around the edge of the door. "i'll uh...

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A Visit to the Doctor 2 - Another Visit (Illustrated by Menagerie)

"so, i'll need a.. umm, a sperm sample." "what, really?!" both boys blurted, in unison.

Anthro, Crow, Doctor, Dragon, Drake, Illustrated, Lamia, Naga, Serpent, Snake, Transformation, conjoinment, ctf, fusion, merge

Serenifi: The Movie: The Remake: Prologue

Can i get a semen sample, anyone?"

Fifi la Fume, Lexi bunny, Serenity coyote