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Butterfly Visual

He wanted… the shapely protogen began to bounce in his lap, hilting him every time.

Anthro, Character Development, Cock, Cowgirl, Creampie, Cuddling, HMOFA, Hugging, Human, Jenna marbles, M/F, Protogen, Pussy, Riding, Snuggling, Teasing, Vaginal, flirting

Alleviating Boredom (Smut Story)

And this gives the protogen an idea.

Affectionate, Aftercare, Anal Sex, Anthro x human, Anthro_dom, Big Balls, Big Cock, Big Dick, Blowjob, Cock Warming, Confident_dom, Consensual, Cuddle, Cum Inflation, Fellatio, Gay, Gay sex, Human, Human Bottom, Human Sub, Human x Anthro, M/M, Male, Male/Male, Oral Sex, Paw, Paw rub, Paws, Protogen, Shy_dom, Snuggle, Two males, affection, big penis, butt sex, deepthroating, excessive cum, excessive semen, face fucking, throat fucking, willing

Printer Jam

His tail wagging happily as he unloaded his pent-up desire into the protogen.

Canine, Cum, Dick, Dog, Dragon, Dragoness, Fingering, Knot, Knotting, M/F, Male/Female, Mating, Protogen, Pussy, Robot, Robots, Seed, Sex, Size Difference, Size/difference, Synth, Vagina, Vaginal, Vaginal Knotting, Wolf

Fall of Humanity: Radicals

Bonnie shuffled to the side of her bed and waited expectantly for the protogen to join her.

Adult Content, Alternate Reality, Anal, Anal Knotting, Android, Anthro, Anthropomorphic, Aphrodisiac, Aroused, Balls, Bedroom, Betrayal, Bisexual, Biting, Black Wolf, Blindfold, Blowjob, Boobs, Boy, Breast, Breast Growth, Breasts, Breeding, Bulge, Bunny, Butt, Cabbit, Canid, Canine, Cheating, Cock, Cock Growth, Cock Transformation, Consensual, Corruption, Creampie, Cuckolding, Cum, Cum Inflation, Cumming, Cumshot, Cunt Boy, Deep Penetration, Deep Throat, Deep Thrust, Dick, Dildo, Doberman, Doggystyle, Dominant, Domination/Submission, Double-Penetration, Dragon, Dragoness, Dubcon, Dubious consent, Ejaculation, Electricity, Equine, Erection, Extreme, Extreme Content, Facesitting, Facial, Family, Fellatio, Female, Female Ejaculation, Fingering, First Time, Forced, Forced Sex, Forcedshifting, Fox, Fucking, Furry, Futa, Futanari, Gang-Rape, Gangbang, Gay, Gender Shifting, Gender Transformation, Girl, Groping, Growth, Heat, Hermaphrodite, Heterosexual, Homosexual, Horse, House, Human, Humiliation, Hyena, Hyper, Hyperphallic, Hypertrophia, Hypnosis, Impregnation, Inflation, Interspecies, Knot, Knotting, Lagomorph, Lupine, Lust, M/F, M/Herm, M/M, M/M/F, M/M/M, Male, Male Pregnancy, Male/Female, Male/Male, Mating, Mild NC, Missionary, Multiple Species, Musk, N/C, NC, Naked, Non-Consensual, Nude, Nudity, Orgasm, Orgy, Otter, Pain, Penis, Pheromones, Protogen, Pseudo-Rape/NC, Pussy, Rabbit, Raccoon, Raccoon/Fox, Rape, Rat, Reptile, Riding, Robot, Rough Sex, Scales, Scalie, Semi Consensual, Semi NC, Sex, Sheath, Shemale, Sleeping, Standing Leg Lifted Up Sex Position, Straight, Tailhole, Threesome, Tits, Tongue, Transformation, Transgender, Transsexual, Transwoman, Vagina, Vaginal, Vaginal Knotting, Various Species, Virgin, Wolf, Yiff, intersex

Butterfly Visual v2.0

And though it stood tall, as was typical for protogens, it could be seen trembling, as ready and eager as its attached protogen. her digital eyes were hungry. he swore he throbbed reflexively when he saw her eyeing it like that.

Cock, Cowgirl, Creampie, Knot, Knot Fucking, M/F, Missionary, Primagen, Protogen, Pussy, Riding, Tie, Vaginal

Protojob

The protogen immediately pulls his cock out of you.

69, Anal Sex, Bed, Bedroom, Choose_Your_Ending, Cock, Creampie, Cum, French Kissing, Frottage, Handjob, Kiss, Knot, MaleMale, Multiple endings, Oral Sex, POV, Paw fetish, Pawjob, Paws, Protogen, Questionable consent, Rough Sex, Snowballing, cum in ass, cum in mouth, paw play

Helping Out

Beginning to retract into the protogen's sheath.

Beach, Bed, Bedroom, Blow Job, Cock, Cock Worship, Cum, Dick, Hand job, Male, Masturbation, Oral Sex, Overstimulated, Overstimulation, Pokemon, Precum, Protogen, Teasing, apartment, buizel, cocktease, friends, pillow

Sibling Sparks

~" he sinks his finger further inside his anal cavity, massaging his g-spot ever so slightly with his talented finger making the protogen squirm even more.

Aftercare, Anal Sex, Ball Worship, Brothers, Cock, Cock Worship, Couch, Creampie, Cum, Dick, Facial, French Kiss, Frottage, Frotting, Handjob, Incest, Kiss, Male, Masturbation, Mouth Fucking, Oral Sex, Paw fetish, Pawjob, Paws, Protogen, Synth, all fours, apartment, gaming, paw licking, paw worship, teabagging

Advanced Haptics

That friend he had met at the last furality, at the protogen meetup. "oh, hey there~" the protogen purred at him, the protogen's voice changer giving him a light mechanical tone to his voice.

Anal, M/F, M/M, Protogen, Rexouium, Transformation, Transgender, Vaginal, Vrchat, gay to straight

Friendly Fire (Feat: PollyMaker)

Another story featuring polly's characters and my protogen buijay's first appearance!

BuiJay, Buizie, Card Game, Cock, Couch, Cum, Cunnilingus, Dick, Facial, Fellatio, Femdom, Friend with benefits, Incest, Masturbation, Nudes, OC, Protogen, Pussy, Pussyjuice, Skunk, Straight, Tease, Teasing, Vagina, apartment, buizel, coffee, evening, friend, pizza, polly, table, tea

ORIGIN.SYS

protogens are especially good for this because they can be programmed. the life support and facilities needed to keep thousands of protogens aboard is a fraction of the mass of a second data lattice.

Ambiguous Species, Dubious consent, First Time, Forced, Gangbang, Genital slit, Group, Group Sex, Hemipenis, Knot, Lizard, Male, Male/Male, Musk, Nerd Jokes, Oral, Penis, Protogen, Reptilian, Sci-Fi, Semi-NC, Snake, Threesome, begging, bukakke, hands free, vent

Returning The Gesture

"good job, just let go of all those worries, you don't need to think~" the protogen nibbled at those eartips and grabbed his meat, making him moan and wiggle as the protogen started to paw him, rubbing more of whatever the protogen had putover him onto it,

Cyberpunk, Dubcon, Hypnosis, Massage, MtF, Nanites, Protogen, Revenge, TF, TG, Transformation, Transgender, feminization, tftg