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Lil' Pals Inc.: The Bladblocker™

With every squeeze they could feel the hurt from that urge to pee having reached its limits, their flaccid shaft oozing a wet, clear liquid.

Anthro, Bladder Play, Bladder expansion, Bladder pregnancy, Bladder stuffing, Caprine, Cock Birth, Dick, Goat, Other, Parasitism, Penis, Penis birth, Pregnancy, Unnatural pregnancy, Unusual pregnancy, infestation, parasite, parasites, urethral penetration, urethral play

Hoard of Big Fluffs 10

Garr could feel the urges rising. the hated seeing another male becoming bigger. the urge to be the biggest. garr willed his shoulders to grow. he willed his sheath to be heavier, his shoulders wider, his thighs thicker.

Canine, Growth, Hyper, Muscle

Waiting for Respite - by Jeeves

It was the urge to breed, to procreate that drove every thrust. but it was the feeling, the pleasure of the act that awakened and encouraged that urge. it was lust, physical and greedy, which provoked that instinct.

Breeding, Commission, Feral, Heat, M/F, Mating, Multiorgasmic, Multiple Orgasms, Non-Anthro, Otter, Sleeping, Straight, Vaginal, jeeves

Weaver Fever (chapter 1)

The andros of all the other nine species of palantis understood the biological urge to have sex. of course they did. it was nature. but only male chouts knew about the other breeding urge: the desire to nest-build. and it was powerful.

Alien, Instinct, Mase Papertree, No-Yiff, Palantan Writer, Palantean, Palantis, Short Story, Young adult, commission, nest, story, swearing, teenager

Magi: Summoning a Way to Forget

At the very least she could sleep with her urges gone; if only, if only she could shake the cold gripping at her heart.

Bestiality, Canine, Character Development, Creampie, Deep Penetration, Feline, lonely, summon

Making of a Burd Part 3: Laying Burd

Instead he had the urge to drop his belly and hunch slightly. contractions came over his insides every minute or so and he would slowly exhale, gasping quietly as the egg moved down a few millimeters at a time.

Anthro, Avian, Bald Eagle, Captivity, Cloacal Sex, Feral, Hermaphrodite, Male, Oviposition, Transformation, bird, egg laying, pov

An Experiment in Breeding 4: Cold Loving

The urge to see another pokémon cock, the urge to feel her pussy spread open again, the need to have her heat quenched had utterly obliterated all thought of decency, all thought of resistance. she would do anything to get it.

Alolan ninetales, Breeding, Cocksleeve, Cum in womb, Cum on body, Excessive pussy juice, Exhibitionism, Female, Fisting, Forced, Gender Shifting, Gender transformation, Heat, Ice, Ice type, Impregnation, Knot, Knotting, Living fleshlight, M/F, Male, Male-to-female, Male/Female, Masturbation, Mild torture, Mind Control, MtF, Musk, Ninetales, Non-Consensual, Oviposition, Pheromones, Pokemon, Rape, Size Difference, Tail Sex, Teasing, Telepathy, Totodile, Transformation, Water type, cervical penetration, forced arousal, imprisonment, large insertion

The Depravity of Dragons 7

He knew that was nothing more than the urges of a corrupt being that had been left as a taint on his soul, and he knew that the physical urges would only grow until he had a chance to cleanse himself.

Anal, Big Cock, Chastity, Corruption, Dragon, Erection, Fantasy, Groping, M/M, Magic, Masturbation, Meditation, Paladin, Possession, Series, Size Difference, Teryx, begging, hot dogging, near-orgasm

The Dragons Womb

Lay eggs, she urged herself.  she crammed her claws against her swollen pussy and hissed out, "yessss," as a new egg squeezed its way through her ovipositor's tip.  

Dragon, Female, Human, Insect, Oviposition, Solo, Transformation, parasite

First Shift

It was like the muscles under his fur were multiplying, and the more it multiplied, the more he felt the urge intensify.

Gay, Incest, Mild Bondage, Mild muscle growth, Oral, Teasing, Transformation, Wolf, edging

[Draconicon] Dragon Overlord (Epilogue 1)

He knew that was nothing more than the urges of a corrupt being that had been left as a taint on his soul, and he knew that the physical urges would only grow until he had a chance to cleanse himself.

Anal, Anthro, Bbeg, Big Cock, Chastity, Corruption, Denied orgasm, Dnd, Dragon, Groping, Katsu, Katsukaren, M/M, Masturbation, Meditation, Paladin, Possession, Rain, Size Difference, Teryx, Teryxc, begging, epilogue, hot dogging, kasuka

Losing Control - Part Two

If anything more instinct and primal urges took over the more they fucked and supposedly sated one another's needs.

Cum, Drugs, Fox, Heat, Humping, Love, M/F, Orgasm, Rabbit, Romance, Rough, Vaginal, Watersports, Wet, Zootopia