130 results for undyne. - [An experiment gone wrong? Part 2](https://fse.anthro.fr/stories/940753-an-experiment-gone-wrong-part-2.md) Author: Wisk_Sith_Kulux Tags: Asgore, Asriel, More to characters to come, Original Character, Toriel, Undertale - [Giantess Alphys X Flowey: Vengeful Torment](https://fse.anthro.fr/stories/1088346-giantess-alphys-x-flowey-vengeful-torment.md) Author: xandermartin98 Tags: Abuse, Adorable, Alphys, Amalgamates, Anthro, Asgore, Asriel, Barefoot, Bestiality, Big Tits, Bisexual, Blood, Body Horror, Brainfucking, Breastfeeding, Cheating, Creampie, Cumshot, Cute, Death, Deep Throat, Depressing, Destruction, Domination/Submission, Dragon, Ears, Endosomatophilia, Erection, F/F, Family, Fat, Fish, Flowey, Foot Fetish, Futanari, Gang-Rape, Gay Relationships, Glasses, Goat, Godzilla, Gore, Hate, Helplessness, Hermaphrodite, Horror, Incest, Insanity, Lesbian, Lizard, M/F, M/M, MILF, Maledom, Masochism, Masturbation, Mind Control, Misogyny, Monster, Orgasm, Pain, Penetration, Penis, Plant, Porn Flick, Possession, Rabbit, Rape, Revenge, Riding, S&M, Sad, Scalie, Shrinking, Story Series, Tentacles, Toriel, Torture, Transformation, Undertale, Undyne, Vagina, Various Species, Video Games, Violence, Vore (soft), Voyeurism, brain, brain damage, brains, creepy, cutting, genocide, giantess, gross, sadism, scary, screaming, stomach, weird - [Alphys Höek CHAPTER 4](https://fse.anthro.fr/stories/987509-alphys-hoek-chapter-4.md) Author: xandermartin98 Tags: Adorable, Glasses, Insanity, Lizard - [Giantess Toriel X Asriel: Motherly Fuckery](https://fse.anthro.fr/stories/1066982-giantess-toriel-x-asriel-motherly-fuckery.md) Author: xandermartin98 Tags: Abuse, Adorable, Age Difference, Alcohol, Alphys, Anal, Anthro, Asgore, Asriel, BDSM, Bestiality, Big Tits, Bisexual, Blood, Blowjob, Blush, Bondage, Brainfucking, Breastfeeding, Breastplay, Bukkake, Canine, Caprine, Cartoony, Cheating, Chocolate, Clit, Comedy, Condom, Creampie, Cuckolding, Cuddling, Cum, Cum Bath, Cumshot, Cunnilingus, Cute, Dark, Deep Throat, Deep Thrust, Depression, Digestion, Doctor, Dog, Doggystyle, Domination/Submission, Ear Fetish, Earwax, Electricity, Endosomatophilia, Erection, Family, Fanfiction, Fear, Feeding, Feet, Femdom, Fighting, Flatulence, Foot Fetish, Foot Massage, Foursome, Fucked up, Fucking, Futanari, Gangbang, Glasses, Goat, Handjob, Hentai, Hermaphrodite, Hospital, Hug, Humiliation, Humor, Incest, Inflation, Insanity, Inserting, Interspecies, Kinky, Kissing, Licking, Lizard, Love, M/F, MILF, Macro, Masochism, Masturbation, Mature, Meme, Menstruation, Micro, Mind Control, Molesting, Monster, Naked, Naughty, Necrophilia, Non-Consensual, Nudity, Orgasm, Orgy, Parody, Penetration, Penis, Philosophy, Pregnancy, Prison, Psychological, Public, Punishment, Pussy, Rape, Relationships, Reptile, Romance, Rule 34, S&M, Sans, Satire, Scalie, Scat, Science Fiction, Seduction, Shrinking, Singing, Size Difference, Sleeping, Smothering, Story Series, Straight, Teasing, Teenager, Temptation, Tentacles, Thought Provoking, Tickling, Tied, Tit Fuck, Tits, Tongue, Toriel, Torture, Toys, Tragedy, Transformation, Trouble, Twerking, Unbirthing, Unconciousness, Underage, Undertail, Undertale, Vagina, Vibrator, Video Games, Violence, Virgin, Vore (soft), Voyeurism, brain, brains, caught, crippled, giantess, gross, heads, injury, sadism, soles, wheelchair - [Bound and Determined Here](https://fse.anthro.fr/stories/1829753-bound-and-determined-here.md) Author: draconicon Tags: Anal, Blowjob, Cum, Male/Intersex Female, Muffet, Musk, Oral, Panda, Piranha, Rule 34, Shemale, Spider, Threesome, Undertale, Undyne, cum inside - [Augmented Possibilities](https://fse.anthro.fr/stories/1759722-augmented-possibilities.md) Author: draconicon Tags: Alphys, Arousal, Bondage, Breast Growth, F/F, F/solo, Femdom, Mind Control, Nudity, Reprogramming, Rule 34, Science, Slavery, Undertale, Undyne, exposure - [Undertale: Permadeath](https://fse.anthro.fr/stories/1pxKYJy1-undertale-permadeath.md) Author: Blackmist-Squamata Tags: age difference, aged up, angst, asgore, asgore dreemurr, asriel, asriel dreemurr, body horror, canon divergence, deltarune, divorce, father and son, father son, first love, first time, gay, gay incest, goat, horror, incest, male, rule34, undertale, virginity - [The Darkness Calls Part 4.5](https://fse.anthro.fr/stories/940142-the-darkness-calls-part-4-5.md) Author: BoberenoTheBear Tags: Bear, Depression, Undertale, Video Games - [Song of the Soul: Getting Acquainted (Ch 1)](https://fse.anthro.fr/stories/965759-song-of-the-soul-getting-acquainted-ch-1.md) Author: Zorayda Tags: 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 - [AFTERTALE Ch. 1](https://fse.anthro.fr/stories/949192-aftertale-ch-1.md) Author: NeonPinkFeline Tags: Asgore, Flowey, Frisk, Toriel, Undertale - [Undyne Dying](https://fse.anthro.fr/stories/1354564-undyne-dying.md) Author: Tom_Cat Tags: Blowjob, Choking, Consensual, Consensual sex, Death, Snuff - [AFTERTALE Ch. 2](https://fse.anthro.fr/stories/949194-aftertale-ch-2.md) Author: NeonPinkFeline Tags: Asgore, Asriel, Frisk, Sans, Toriel, Undertale Next page: https://fse.anthro.fr/stories?page=4