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Sadistic Transformation (part two of three)

animal instinct is such a tricky thing."

BDSM, Bareback, Big Cats, Blowjob, Bondage, Breeding, Cougar, Cunnilingus, Deep Penetration, Domination/submsision, Drugs, Erotic, Exhibitionism, Extreme, Extreme sex, Fantasy, Father, Female, Feral, Forced, Forced Transformation, Hard kink, Heavy fetish, Human mind, Human to non-anthro tf, Impregnation, Incest, Lion, Lioness, M/F, Male, Male to female TF, Male to male tf, Male/Female, Mind breaking, Mind trapped inside, NC, Non-Anthro, Non-Consensual, Nonconsensual, Oral, Oral Sex, Public, Puma, Rape, Recording, Rough, Rough Sex, Sexual Torture, Short Story, Son, Story, Straight, Straight Sex, Torture, Transformation, Vaginal, Vaginal Sex, Very rough sex, Video Camera, Voyeurism, Warning warning warning, cruelty, drug use, erotica, exhibitionist, father/son, fetish, force, impreg, kink, mind break, mountain lion, noncon, public sex, restraint, voyeur, warning

Pathogen

Their nervous systems began to link until the same animal instincts in their minds were twice as strong... the desire to hunt, to fuck, to feel that pleasure, and to reproduce... but for the brand new radioactive creature, it was all the same...

M/M, Muscle Growth, Post-Apocalyptic, Radioactive, Snake, Teenagers, Transformation, merging

The Worst Thing

Bronco snorted, licking, then biting the sea-eagle's neck again as animal instinct gripped more firmly, moving his hands up to twist the avian's hardened nipples cruelly in time with each penetration.

Avian, Bondage, Domination/Submission, Horse, M/M, NC, Short, Toys

Family Secrets: Prequel

She loved how he always pleasured her with such wild animal instincts. it made her feel alive. she started to pant as she would hold herself steady. her walls rippling faster as it massaged her lover's cock.

Canine, Disney, Doggystyle, Foreplay, Humping, Knot, M/F, Non-Anthro

Private Property

His animal instincts took over him now as he began to wildly fuck the sleeping mouse. he soon reached his climax and let out a deafening roar of dominance over his new mate.

Age Play, Bathing, Cub, Deep Penetration, Lion, M/F, Mouse, Ownership, Vaginal, Virgin

Chapter 1: Care Day

He felt her hot, wet sex against his and growled even deeper, animal instinct taking over as his hips bucked against hers, pushing in till his fur touched her soft skin. she cried out and grabbed the blankets as he filled her.

Adult, Adult Content, Aroused, Bathing, Bathroom, Bedroom, Bestiality, Boobs, Breast, Breast Fondling, Breastplay, Breasts, Bubble Bath, Canine, Clit, Cock, Consensual, Cum, Deep Penetration, Deep Thrust, Dick, Ejaculation, Explicit, F/M, Female, Fingering, First Time, Human, Humping, Interbreeding, Kissing, Leash, Lust, M/F, Male, Master/Pet, Masturbation, Mating, Mature, Mild Erotica, Multiple Species, Naked, Nipples, Nude, Nudity, Oral, Orgasm, Passion, Paw, Paws, Penetration, Penis, Pet, Pussy, Seduction, Seductive, Semi Consensual, Semi NC, Series, Sex, Sexy, Short, Short Story, Tits, Vagina, Vaginal, Various Species, White Wolf, Wolf, Wolf Dog, Yiff, Yiffy

WOLF - pt.11

Lian sighed and explained, "my animal instincts took over, the sd effects towards the end switched from wanting sex to wanting blood. i lashed out and ripped her throat out before anyone could stop me from doing so."

Character Development, M/M, No-Yiff, Werefox, Werewolf, werelion

Crocodile Blood Part 1

Her animal instincts began to return, and she was on all fours, her claws pounding into the soft soil below in a half deer-like run, half croc crawl in her dash to the swamp.

Bathing, Crocodile, Dark, Explicit, F/solo, Gore, Transformation

The Spectrum of Love

Transcendent it was of his and her animal instincts to mate; but a physical expression of a connection of souls and hearts.

Human, Love, M/F, Soulmates, Wolf

Biohazard Chapter 5

The animal instincts start taking over by force and the human brain is overwhelmed by baser impulses and thinking. the animal side of them buries their human personality.

Fox, Future, Otherkin, Sci-Fi, SciFiSummer 2013, Short Story, futuristic

Animorphs: Lost Journal 5.5, Chapter 1 - If At First You Don’t Succeed

animal instinct was powerful stuff. pulling himself forward, he shoved his hips forward ruthlessly, driving his full length into the over-sized hole.

Animorphs, Bestiality, Cervine, Deer, Fanfiction, Handjob, Heat, M/F, Masturbation, Non-Anthro, Spooge, Transformation, Underage

Breeding Grounds -Wolf TF (adult)-

It felt right having fur, standing on all fours with strong paws and deadly claws, and accepting my animal instincts as my own.

Female, Feral, Human, Male, Mating, Sex, Short Story, Transformation, Werewolf, Wolf, animal, metamorphosis