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Undertale: The chronicles of a perverted human

Isaac noticed her shock and grinned down at the still panting undyne.

Big Cock, Creampie, Dubcon, Fish, Human, Impregnation, M/F, Rape, Shark, Undertale, Undyne

Alphamalg (Alphys X Amalgamates): The Completely Degenerate Series [DIRECTOR'S CUT]

Alphys ranted in a fit of excitement as undyne somehow wrapped her entire tongue around her, soaking her in warm, moist, juicy saliva as undyne's tongue carried her over into the gap inbetween undyne's jaws.

Adorable, Adult, Adult Content, Anal, Angst, Anime, Anthro, BDSM, Balls, Bestiality, Big Boobs, Big Tits, Birth, Bisexual, Biting, Blowjob, Blush, Bondage, Boobs, Bra, Breast Sex, Breastfeeding, Breasts, Bukkake, Butt, Canine, Captivity, Character Development, Cheating, Claws, Cock Worship, Comedy, Compassion, Cuckolding, Cuddling, Cum, Cumshot, Cute, Dark, Death, Deep Penetration, Deep Throat, Dog, Domination/Submission, Dominatrix, Double-Penetration, Dread, Dream, Drugs, Ejaculation, Erection, Family, Fanfiction, Fantasy, Fashion, Fat, Female, Feral, Fighting, Fish, Foot Fetish, Friendship, Fucking, Gag, Gang-Rape, Gangbang, Genital Vore, Girl, Girly, Glasses, Goat, Hentai, Hermaphrodite, Horror, Humiliation, Humor, Incest, Insanity, Interspecies, Kinky, Kissing, Lesbian, Licking, Lizard, Love, Lust, Mammary Intercourse, Master/Pet, Masturbation, Menstruation, Milking, Mind Control, Monster, Mutant, NSFW, Naked, Naughty, Nudity, Oral, Orgy, Panties, Parody, Penetration, Penis, Porn Flick, Predator/Prey, Prostitution, Punishment, Pussy, Rape, Relationships, Revenge, Romance, Rule 34, S&M, Sad, Satire, Scales, Scalie, Scat, Secret Love, Seduction, Sex, Sexy, Short Story, Size Difference, Story Progression, Story Series, Straight, Striptease, Suggestive, Sweat, Teasing, Temptation, Tentacles, Tickling, Tied, Tit Fuck, Tits, Tongue, Topless, Trouble, Unconciousness, Vagina, Vaginal, Various Species, Video Games, Vore (soft), Voyeurism, Weight Gain

How Bratty and Catty Stole America's Presidential System

"sheesh, calm down, undyne, i'm fine!"

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Ultimate Furry Crossover: An Adult Choose Your Own Adventure: Entry 43

Well, toys and undyne, of course, but undyne didn’t usually use a strap-on, preferring to go au natural most of the time they made love.

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Asriel's Reign

undyne said as he waited for alpriel. undyne was waiting in the police car just outside of the house, and offered alpriel a ride back to her home after checking in with her friend.

Alphys, Asgore, Asriel Dreemur, Crossgender, Deltarune, Gay, Male/Male, Napstablook, Sex, Toriel, Transformation, Undertale, Undyne

A Monstrous Coach

He wanted to get in shape, and undyne - click-thunk. undyne was trying to define a super-shape.

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A Cock on the Mind

Tags: male/intersex female, cock, undyne, rule 34, panda, curse, magic, musk, jockstrap, anal, big dick, shower,

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I See Alphys, I See Francis (Alphys X Francis)

I was getting good results from my experiments, y'know, like always, so undyne said 'you need stimulation!'

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Alphys Loves Feet (Undertale)

I sure hope undyne doesn't mind this..."

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Alphys VS Undyne

Known as undyne.

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Underfoot Fetishtale

Alphys and undyne both laughed uproariously as the former began rigorously licking asriel's fully exposed left sole while undyne began fervently licking the right.

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A Major Miscalculation

She even knew down to where undyne would be swimming within the ocean and the best place to surprise her. yes, alphys knew undyne very well. but, it wasn't always like that.

Alphys, Bondage, Drowning, F/F, Im very sorry for being so depraved XD, Masturbation, Undertale, Underwater, Undyne, Water breathing, asphyxiation, bubbles