Top 10 Brain-Fetish Scenes in Undertale Fanfiction So Far

xandermartin98

The Top Ten

1 Flowey going into Alphys' brain in Vengeful Torment

What is this gross stuff

2 Asriel going into Toriel's brain in Motherly F***ery
3 Undyne and Alphys going into Bratty's and Catty's brains in How Bratty And Catty Stole America's Presidential System
4 Alphys and Undyne going into Asriel's brain in The Iron Mettagiant
5 Parappa and Memoryhead going into Lammy's brain in Big-Sisterly F-ery
6 Alphys going into Mettaton's brain in The Iron Mettagiant
7 Asriel and Gaster going into Alphys' brain in Underfoot Fetishtale
8 Alphys, Undyne and a whole bunch of other characters going into Toriel's brain in Alphys' Bad School Day
9 Flowey going into Alphys' brain (twice) in The Iron Mettagiant
10 Undyne going into Alphys' brain in Alphys VS Undyne

"NOW YOUR SANITY AND MINE CAN DIE TOGETHER" - xandermartin98

The Contenders

11 Alphys going into Toriel's brain in Incestual Apocalypse
12 Asriel digging bloody chunks of nervous tissue out of Alphys' brain with his toenails and eating them in Underfoot Fetishtale
13 Asriel going into Alphys' brain in Alphys' Modern Life: Camera Shy
14 Katy and Lammy erotically strangling each other to death with their brain cords in Lammy's And Katy's Inside Stories
15 Xandemartin98 exploding his own brain
16 Lammy and Katy dipping each other's brains into a bucket of diarrhea then licking said excrement right off of them in L&K's Inside Stories

MMM - xandermartin98

17 Toon Link going into Rem's brain in Rem's Brain
18 Papyrus, Undyne and Chara going into Alphys' brain in Alphys' Inside Story
19 Papyrus and Undyne going into Alphys' and Toriel's brains in Alphys' Inside Story
20 Gaster going into Asgore's brain in Alphys' Bad School Day
21 Memoryhead going into Alphys' brain in Alphamalg Origins
22 Flowey going into Alphys' brain in To Kill A Royal Scientist
23 Alphys going into Undyne's brain in Fetishistic Boogaloo
24 The Amalgamates going into Alphys' brain in Vengeful Torment
25 Undyne going into Alphys' brain in Vengeful Torment
26 Muffet going into Toriel's brain in Underfoot Fetishtale
27 Burgerpants going into Alphys' brain in I See Alphys I See Francis
28 Burgerpants going into Francis' brain in I See Alphys I See Francis
29 Alphys going into Francis' brain in I See Alphys I See Francis
30 Burgerpants going into Asgore's brain in How Bratty And Catty Stole America's Presidential System
31 Alphys going into Burgerpants' brain in How Bratty And Catty Stole America's Presidential System
32 Gaster going into Alphys' brain in Um Jammer Alphys
33 Parappa and Ma-San going into Katy's brain in Lammy's And Katy's Inside Stories
34 Guru Ant going into Parappa's brain and laying eggs in it in Parappa And Lammy Have Sex
35 Parappa and Lammy licking each other's brains in Parappa And Lammy Have Sex
36 Undyne seductively squishing her toes into Alphys' brain in Giantess Alphys X Undyne
37 Alphys, Undyne and a whole bunch of other characters literally washing Toriel's brain in Alphys' Bad School Day
38 Papyrus and Undyne literally washing Alphys' brain in Alphys' Inside Story
39 Ma-San seductively squishing her toes into Katy's brain in Lammy's and Katy's Inside Stories
40 Ma-San pouring an entire can of scalding-hot soup into Katy's brain in Lammy's and Katy's Inside Stories
41 One of Katy's recently acquired flu viruses living inside of her brain in Lammy's and Katy's Inside Stories
42 Lammy and Katy eating the frontal lobes right off of each other's brains in L&K's Inside Stories

YUMMY - xandermartin98

43 The Amalgamates going inside Alphys' head and completely devouring her brain from the inside in Vengeful Torment

I bet it tasted DELICIOUS - xandermartin98

44 Alphys crawling inside Burgerpants' head, ripping his brain apart with her bare hands and eating it in How B&C Stole America's Presidential System

"Better to sneak in through the nose than the ear, I always say" - xandermartin98

45 Flowey threatening to squeeze Alphys' brain to death with his razor-sharp thorn vines until it literally bursts in Vengeful Torment
46 Alphys dancing barefoot inside Francis' brain in I See Alphys, I See Francis
47 Alphys & Undyne erotically rewiring and fixing Asriel's brain from the inside to remove the evil parts in The Iron Mettagiant
48 Flowey sticking his vines right up Alphys' nose into her brain and reading her mind in To Kill A Royal Scientist
49 Memoryhead sticking his tentacles right up Alphys' nose into her brain and reading her mind in Alphamalg Origins
50 Parappa and Ma-San getting snorted into Lammy's brain via cocaine in This Is Lammy's Brain On Parappa And Ma-San
PSearch List
P