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Milk, No Sugar

"healthy male cetaceans aged between 18-35 for semen collection study. payment offered." he thought about it, shook his head and turned the page, a few minutes later finding himself flipping back and staring at it again. he could use the money.

Chemical Use, Dolphin, M/M, Machine, Milking, Mind Control, Orca, Orgasm Denial, Teasing, Toys

Sold-5

"your purpose is to collect everyone's cum," explained paul, "i am sure randy and sheba will get them excited and i don't need a mess on my floor. so this ball has a bunch of one way valves."

Bondage, Bukkake, Exhibitionism, Human, M/F, Non-Anthro, Pikachu, Pokemon, Solo, Vaginal

Stable Lads

A breeding device, sometimes used for semen collection in feral stallions stood in the centre of the room.

Amethyst Mare, Ametrine, Anal, Arian Mabe, Bad Language, Bondage, Confining, Cum, Domination/submisison, Equine, Facial, Filly, Gay, Gay Relationships, Horse, Implied Anal, Implied bestiality, Leather, Love, M/M, Madoc, Male, Maledom, Mask, Master/Pet, Master/Slave, Pet, Pony, Relationships, Sex toys, Slave, Stallion, Story, barn, collection, colt, gear, hood, master, name calling, reins, stable, stables, writing

Up Close and Personal

Was collected.

Avian, Bird, Breeding, Chocobo, Cock, Cum, Farm, Female, Feral, Heat, Human, Impregnation, M/F, Male, Masturbation, Non-Anthro, Orgasm, Outdoors, Pussy, Teasing, Transformation, Voyeurism, Wet, inflatable, inflatables

Striped Shenanigans

Vee could only assume that the remainder of the space was used for regular mating between two horses rather than semen collection.

Amethyst Mare, Anthro, Bestiality, Birthday, Blowjob, Breeding, Cock, Cum, Cum Inflation, Deep Penetration, Equine, Female Anthro, Feral, Horse, Hyper breasts, Inflation, Licking, Light inflation, M/F, Male Feral, Mare, Masturbation, Orgasm, Rough Sex, Semi-NC, Stallion, Straight, Vaginal, Vee, Veedway, Zebra, Zoophilia, cervical penetration, stables, sucking, surprise

Polaroid: Donor of Record

Here's how the collection is going to work today. we need to collect all three fractions of your semen - pre-ejaculate, sperm-rich and post-ejaculate.

Fox, M/solo, Machine, Masturbation, medical

Rare Earth, Common Ground: First Contact - Part II

The martian stroked his well groomed facial hair. "yes. i require a gamete sample." their tips still stinging, karth's ears perked. his heart raced. why did the medicine male want his seed? | will subject {karth moonssong} submit to sperm collection?

Human, Kissing, M/M, Medical Procedures, Predicament Bondage, Sci-Fi, Wolf

Tyler x Shadow: Chapter Twenty-One

He gently brushed his tongue over her puffed and stretched lips, making her shiver and sigh and some of their combined sweet and salty jizz collect on his taste buds.

Bestiality, Cowgirl, Cunnilingus, Doggystyle, Fellatio, Fingering, Human, M/F, Mindlink, Missionary, Oral, Pokemon, Umbreon, Vaginal

Sucia Labs Chapter 1

Remington himself runs the harvesting facility in the city of tarsus and oversees the "collection" of breast milk and sperm from willing donors.

Flirtation, Hermaphrodite, Machine, Male, Naughty, Science Fiction, Series

The Price of Loyalty (Part 1)

, she thought to herself with delight, feeling more of his cum collecting in her womb, creating a small pool inside of it while they continued to kiss, not letting up for a moment during this most intimate time.

Beaver, Impregnation, M/F, Twincest, Vaginal Sex, inbreeding, insemination

Dukey's Side Hustle

For a moment he panicked and let the ropes of strong tasting spunk collect in his muzzle. the human sighed deeply and pulled his cock free, leaving dukey to hold the salty load in. ”hehe. it's okay. just swallow…” the host encouraged.

Anal, Anthro, Cum, Deep Penetration, Disguise, Dog, Drinking, Dukey, Dukey Test, Gangbang, Gay, Human, Johnny Test, M/M, Male/Male, Multiple Orgasms, Oral, Orgasm, Rule 34, cum inside, gay for pay

Fertile Soil - Chapter 5

On top of that, he didn't wanna have to be involved with the 'sperm collection...' that could get a bit messy, and was beneath him besides. "ahhh yes, fascinus." dr. greenly snickered.

Ball Growth, Blowjob, Cock Growth, Cub, Cum Bath, Cum Inflation, Docking, Drugs, Equine, Farm, Forcedshifting, Goat, Incest, M/M, M/solo, Milking, Non-Anthro, Puberty, Transformation, Virgin, Young, Zoophilia