Undertale Fanfiction

Giantess Undyne X Alphys: Fetishistic Boogaloo ^[M]

by xandermartin98 updated on
Tags: undertale giantess mindcontrol torture

In this role-swapped sequel/spoof of sorts to the infamous Giantess Alphys X Undyne scene from ... Read More

Giantess Alphys X Undyne: Bigger, Longer and Uncut ^{[M] [Complete]}

by xandermartin98 updated on
Tags: yuri undertale feet giantess mindcontrol

Just in case you might have missed it before, here's the amazingly demented giantess scene from Chapters 4-6 of Alphys VS Undyne! Strong stomachs and viewer discretion are both heavily advised, a... Read More

Alphys VS Undyne ^{[M] [Complete]}

by xandermartin98 updated on
Tags: romance comedy satire lesbian undertale
Chapters: 7 | Comments: 1 |

In what is sadly the very first Undertale fanfic of its kind, Alphys and Undyne get into such an absurdly heated romantic argument with each other that they end up starting publicly televised ser... Read More

Alphys Loves Feet ^{[M] [Complete]}

by xandermartin98 updated on
Tags: undertale feet licking massaging tickling teasing

If you ever wanted to read the most foot-fetishistic Undertale fanfic ever, look no further than here. If you ever wanted it to also be centered around Alphys...again, look no further than here.... Read More

Tempted By The Feet Of Alphys ^[M]

by xandermartin98 updated on
Tags: yuri undertale domination submission feet

In one of the kinkier non-Alphamalg fanfics for Undertale, Undyne's true fetishistic lust for Alphys' feet is revealed in just got the most humilating and degrading fashion imaginable as she effe... Read More

Lemon Fed ^[M]

by xandermartin98 updated on
Tags: undertale vore alphys amalgamates

In this short but sweet little tie-in to the infamous Alphamalg series, Alphys unwillingly gets herself eaten alive by Lemon Bread and learns, for better or worse, what vore fetishism is REALLY l... Read More

Alphamalg: The Completely Degenerate Series ^{[M] [Complete]}

by marlinzander87 updated on
Tags: smut romance horror bdsm undertale shipping
Chapters: 6 |

In what is easily the most disturbing Undertale fanfic and shipping ever, Alphys' true inner feelings towards the Amalgamates are revealed in a series of disgustingly graphic and erotic _____ scene... Read More