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Blood in the water, Ash's story.

“ash… according to your notes, your lover need a sample of your seed, the united states government need a sample of your seed, the united mexican states needs a sample of your seed and this facility need a sample of your seed.”

Abduction, Adventure, Alternate Reality, Anal, Aqua Sex, Aroused, Beach, Betrayal, Blackmail, Cave, Cum, Cumshot, Dildo, Domination/Submission, Dominatrix, Ejaculation, Erection, Explicit, External Fertilization, F/M, Female, Femdom, Fingering, Handjob, Human, Humanoid, Humiliation, Innocence, Interbreeding, Love, M/F, Male, Mating, Milking, N/C, NC, Ocean, Psychological, Realistic, Relationships, Restrain, Role Reversal, Ropes, Semi NC, Sex, Shark, Sharkess, Size Difference, Small, Story, Stretching, Toys, Underwater, Violence (Not In Yiff)

Encounter with an Elite

And was dying to get a sample of an elites sermon for study. like how many chromosomes do they have? he had to literary restrain a live elite to the table and masturbate him. it was very interesting. feeling someone else's cock under his hands.

Alien, Blowjob, Coming Out, Cum, Elite, Halo, Human, M/M, covenant prisoner, curious

Pack Tactics

The sample should be ready by now, but… cilo craned her head back and shoved her nose against his neck. sniffing at him gently. yeah, he could worry about that tomorrow.

Anal, Breeding, Character Development, Dubcon, Feral, Fingering, Human, M/F, M/F/M, Medical Procedures, Raptor, Vaginal, intelligent, jurassic park

The Physical

"right, i need to measure your penis and take a semen sample." the doctor stated this in a matter of fact way. "wait you need to do what?" jackson almost yelled in shock.

Doctor, Human, M/M, Tiger

Eccentric Orbit, Part Two: Transfer

It was a side-by-side comparison of regular sperm and the sperm attained from richter's sample, and the difference was obvious.

Anthro, Anthropomorphic, Aphrodisiac, Aroused, Avian, Balls, Big Boobs, Big Tits, Bird, Blowjob, Boobjob, Bovine, Breastfeeding, Breastplay, Breeding, Bukkake, Canine, Character Development, Cobra, Cow, Creampie, Cum Inflation, Deep Thrust, Eagle, Ejaculation, Erection, Explicit, Extreme, Feet, Female, Fennec, Foot Fetish, Foot Massage, Foot Worship, Fox, Humor, Hyper, Hyperphallic, Impregnation, Inflation, Inserting, Lactation, Licking, M/F, Male, Mild Drama, Mild Romance, Milk, Multiple Breasts, Multiple Species, Near Future, Never Seen Sex Act, Oral, Orgasm, Owl, Paw, Pussy, Reptile, Rough, Sci-Fi, Science Fiction, Size Difference, Space, Story Progression, Vaginal, Various Species

Filling in for Her Mother

"not that i would have complained about you giving me a little sample like that, i didn't come this far for a sample," she assured him. "i came here for the whole thing, daddy...and...i'm r-ready...for you to take me however you want."

Age Difference, Blowjob, Breeding, Creampie, Cum, Daughter, Father, Female, Impregnation, Incest, Male, Oral, Orgasm, Pregnancy, Sex, Story, Straight, Vaginal, Vaginal Sex, Wincest, cum inside, father/daughter, older male

Third Arc Crimson Moon: Chapter 9

After all the times you get transformed, i thought i should have some fresh samples on hand."_ "don't you have my genetic code written down somewhere!? in a _file!?_ what do you need 'fresh samples' for!?" my dad coughed.

Goat, Husky, Hyper, Hyperphallic, M/M, Muscle Growth, Muscles, Plot Development, Romance, Story Series, Transformation, Wolf

Resolving compatibility error

[computer] - acquiring sample... a muffled animal roar could be heard somewhere out there, which made me flinch defensively into my rubbery seat.

Birth, Dragon, Dragonic, Egg, Eggs, Female, Forced, Green, Machine, Pregnancy, Reptile, Transformation, Women, fem, harvest, herp, laying, tf, transform

Brainy Brutes

Elias stood on the other side of the room filing stacks of samples that had failed their earlier trials.

Foot Fetish, Gay, Hank McCoy, Muscle, Muscle Worship, Mutant, Rule 34, Xmen, beast

The Science of Werewolves by CalexTheNeko

The local zoo had sent in dna samples from some of the canines at the local zoo. it was the most bizarre thing.

CalexTheNeko, Canine, Laboratory, Rakan, Science, Transformation, Werecoyote, Werewolf, accident, disease, infection, research, yote

For Nature!

The male joined in, his balls pulling up and rubbing her more with each throb of his cock in her depths, releasing more of the sample she sought.

Anal, Anthro, Bareback, Bisexual, Character Development, Creampie, Doggystyle, Feral, Fox, Gangbang, Gryphon, Heterosexual, Internal, M/F, M/M, M/M/M/F, Magic, Male/Female, Male/Male, Non-Anthro, Outdoors, Penetration, Plot Development, Raccoon, Ram, Sex, Story Series, Straight, Tiger, Vaginal, Weasel, Wolf

A Good Whore

Gonna give you another dna sample in a sec." he leaned forward again, alissa feeling his gut weighing down on her back, his hot breath on her neck. “consider this your advance!"

Age Difference, Breeding, Cum, Dog, Female, M/F, Male, Male/Female, Pregnant, Pregnant Sex, Straight, Tiger, cum inside