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Bound and Determined Here

And, of course, he immediately found a way to regret it, holding one hand over his crotch as undyne held the other.

Anal, Blowjob, Cum, Male/Intersex Female, Muffet, Musk, Oral, Panda, Piranha, Rule 34, Shemale, Spider, Threesome, Undertale, Undyne, cum inside

Augmented Possibilities

The end summary: undyne is captured by alphys and turned into a mind-warped cyborg slave.

Alphys, Arousal, Bondage, Breast Growth, F/F, F/solo, Femdom, Mind Control, Nudity, Reprogramming, Rule 34, Science, Slavery, Undertale, Undyne, exposure

Alphys Höek CHAPTER 2

Episode 1: chara's best friend "undyne, we need a job badly."

Adorable, Glasses, Insanity, Lizard

Alphys' Modern Life: Camera Shy (Part 2)

undyne scolded him, smacking him upside the head with the handle of her ski (the left one, to be exact).

Comedy, F/F, Fanfiction, M/F, Rocko's Modern Life, Romance, Undertale

Alphys Fornicates With The Amalgamates (Director's Cut)

undyne told papyrus as the two of them scooped up her thoroughly defiled body and hauled her over to undyne's house in waterfall.

Anal, Anthropomorphic, Balls, Blowjob, Blush, Breastfeeding, Catgirl, Dark, Dog, Domination/Submission, Ejaculation, Fanfiction, Female, Female Ejaculation, Foot Fetish, Gay, Glasses, Handjob, Hermaphrodite, Horror, Humiliation, Humor, Insanity, Kinky, Lactation, Lesbian, Lizard, Lust, Masturbation, NSFW, Parody, Penetration, Pheromones, Rape, Romance, Rule 34, S&M, Satire, Scalie, Striptease, Vaginal, Various Species, Vore (hard), Vore (soft)

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

Alphys' Modern Life: Camera Shy (Chapter 3)

undyne scolded him, smacking him upside the head with the handle of her ski (the left one, to be exact).

Fanfiction, Rocko's Modern Life, Undertale

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.

Adorable, Adorkable, Alphys, Anthro, Asgore, Asriel, Bisexual, Blowjob, Blush, Breastfeeding, Burgerpants, Caprine, Cat, Catgirl, Creampie, Crossdressing, Cumshot, Cute, Elderly, Endosomatophilia, Erection, F/F, Fanfiction, Feline, Fellatio, Fetishes, Fish, Foot Fetish, Footjob, French Kissing, Gaster, Gay Relationships, Gerson, Glasses, Goat, Goat mom, Group, Humiliation, Incest, Lesbian, Licking, Lizard, M/F, M/M, Masturbation, Mature, Mind Control, Mother, Muffet, Nice cream guy, Nudity, Orgasm, Orgasm Denial, Orgy, Papyrus, Pedophilia, Penetration, Revenge, Rule 34, S&M, Sans, Scalie, School, Seduction, Shrinking, Size Difference, Socks, Sweat, Teasing, Tickling, Tits, Toe Wiggling, Toe sucking, Toriel, Torture, Turtle, Underage, Undertail, Undertale, Underwear, Undyne, Various Species, Verbal abuse, Video Games, Virgin, Vore (soft), Voyeurism, WORSHIP, brain, giantess, gross, mouthplay, pie, shipping, soles, stomach, stomping, toes, weird

Song of the Soul: Getting Acquainted (Ch 1)

undyne crossed her arms and didn't say anything in answer. "u-uh, undyne likes tea..." alphys answered for her girlfriend. "okay. i have chai, i'll make that for you if it's okay?" she asked the fish monster. undyne shrugged noncommittally.

AU, Alphys, Alternate Universe, Dancetale, Fanficton, General Fiction, Heterosexual, Homosexual, Lesbian, OC, Original Character, Pairing mxf, Reader, Romance, Sans, Sans the skeleton, Self insert, Undertale, Undyne

How Bratty and Catty Stole America's Presidential System

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

Abuse, Adorable, Adorkable, Adult, Adult Content, Albino, Alcohol, Alligator, Alphyne, Alphys, Anal, Anatomy, Anthro, Aroused, Asgore, Asriel, Ass, Barefoot, Bestiality, Bikini, Bisexual, Blood, Blowjob, Blush, Bondage, Boobs, Brainfucking, Bratty, Breastfeeding, Breasts, Bulge, Burgerpants, Buttsex, Cage, Cannibalism, Caprine, Cartoon, Cartoony, Cat, Catgirl, Catty, Cheating, City, Claws, Cleavage, Clone, Close-Up, Comedy, Couple, Cum, Cumming, Cumshot, Cunnilingus, Cute, Dark, Death, Destruction, Donald Trump, Double-Penetration, Dress, Duos, Ear Fetish, Earrings, Ears, Earwax, Elevator, Emotional, Endosomatophilia, Erection, Erotic, Evil, Explicit, F/F, F/F/F/F, Family, Fanfiction, Fantasy, Fat, Feet, Fellatio, Female, Female Ejaculation, Female/Female, Fetishes, Fighting, Fingering, Fish, Foot Fetish, Foot Massage, Foot Worship, Footjob, Foursome, Fucking, Gagged, Gaster, Gay, Gay Relationships, Girl Power, Glasses, Goat, Gore, Grinch, Group Sex, Hermaphrodite, Hillary Clinton, Horror, Humiliation, Humor, Incest, Insanity, Interspecies, Kinkshaming, Kinky, Kissing, Lesbian, Licking, Lizard, Love, M/F, M/M, M/M/M, Macro, Male, Masochism, Masturbation, Meme, Micro, Mind Control, Monster, Muscle Growth, Mutilation, NSFW, Naked, Naughty, Necrophilia, New York City, Nice cream guy, Nose picking, Nudity, Orgasm, Orgy, Panties, Papyrus, Parody, Paws, Penetration, Penis, Pheromones, Phones, Piercing, Plot Development, Political, Pornography, Possession, Presidents, Prostitution, Psychological, Public, Public Nudity, Public humiliation, Punishment, Pussy, Rabbit, Rape, Relationships, Reptile, Revenge, Romance, Rule 34, S&M, Sans, Satire, Scales, Scalie, Science Fiction, Seduction, Sexy, Shrinking, Sister, Skeletons, Solo, Story Progression, Straight, Stripper, Striptease, Teasing, Temptation, Tentacles, Theme Song, Threesome, Tickling, Tied, Tit Fuck, Tit sucking, Tits, Toe sucking, Tongue, Topless, Toriel, Torture, Transgender, Trauma, USA, Undertail, Undertale, Underwear, Undyne, Vagina, Vaginal, Various Species, Verbal abuse, Video Games, Violence, Voyeurism, WORSHIP, WTF, Whipping, america, animals, anti-hero, apocalypse, assassination, awkward, books, brain, brain damage, brains, canon, caught, couples, crack, creepy, drooling, election, embarrassed, embarrassment, eyeballs, fourth wall, funny, furry, genocide, giantess, girlfriends, graphic, gross, heads, killing, kings, labcoat, literature, microphones, money, movies, murder, nerds, nose, pairings, public sex, puns, rings, sadism, screaming, shipping, skinny, soles, songs, swearing, terrorism, tomboy, vulgar, weird, wigs, writing

Alphys' Modern Life: Camera Shy (Part 3)

Meanwhile, undyne and papyrus were up to no good, as always.

Comedy, F/F, Fanfiction, M/F, Rocko's Modern Life, Romance, Undertale

A Monstrous Coach

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

Blowjob, Cock comparison, Femdom, Frotting, Gym, Licking, Locker Room, Musk, Oral, Rule 34, Shemale, Shemale/Male, Shower, Sweat, Undertale, Undyne, WORSHIP, tongue bath