Jizz

[CROSSPOST FROM /R/UNDERTALE] Summary of this here sub.

UnderTail

you're going to have a good time (Undertale, Kayla-Na)

rule34_comics

A better omega puppet. (Spoilers for undertale etc.)

fivenightsatfreddys

Are you ready to be filled with determination? [Undertale]

rule34

Toriel is waiting... [Undertale, Toby Fox]

rule34

Covering Muffet with...determination. [Undertale][hearlesssoul]

rule34, UnderTail

Undyne and Papyrus [Undertale]

rule34

Muffet buffet [undertale]

rule34

How about muffet-tea [undertale]

rule34

You must like hot animals... [X-post /r/Undertale]

furry

Why so blue? Cheer up [Undertale] (Mangos)

rule34

Toriel gets a creampie (s1kbo1) [Undertale]

rule34

Toriel's confession fills you with DETERMINATION [undertale] (don-ko)

rule34, u_Chickenking457

stuffing Toriel's cunt fills you with DETERMINATION [undertale] (eumi-bun)

rule34

My little pony, Undertale and diaper fetish. It is as bad as it gets.

CringeAnarchy

House's specialty [Undertale]

MonsterGirl

Toddler Undertale School Bag "Time for lick some white sexy feet!" - $38.98

AmazonWTF

Upon seeing Soup and their similarities to Frisk from Undertale, I couldn't resist making this.

stevenuniverse

Cover for the Adult Undertale Fanbook [F]

UnderTail

Promising comic fills me with DETERMINATION [undertale - toriel]

rule34

Big Toriel [Undertale]

rule34, UnderTail

“Are you cold? Here, get under my robe. You’ll warm up” - Toriel (Don_ko) [Undertale]

rule34, DirtyGaming, UnderTail

Undyne's got curves (charo) [Undertale]

rule34, DirtyGaming, UnderTail

Muffet (Sereneandsilent) [Undertale]

rule34, u_shok_shark

Undyne giving head (Boxman) [Undertale]

rule34

Muffet wants to have some fun [Undertale] (RedBoard)

rule34, MonsterGirl

Thicc Muffet (Geeflakes) [Undertale]

rule34

Mommy Toriel teaching you a lesson (Chelodoy) [Undertale]

rule34

The Spear of Just Us [Undertale]

adorablehentai

Toriel Giving You A Good View (DoomTheWolf) [Undertale]

rule34, yiff

Hot dogs, french fries, come on baby tell me your lies, up down, side to side these skeletons are now alive! (Sachiko Shirayuki) [Undertale / Sans]

rule34

[F] Looking Forward to the Date [Toriel] [Undertale] [Wholesome]

yiffcaptions

I made a series of Undertale drawings of TorielxFlowey, you can see all of them in my Twitter (@TheYuriguba) [FT]

yiff, UnderTail, Tentai

Goth Spidergirl {M Human -> F Shortstack Goth Spider Girl; MTF/TGTF, Gothification} [Muffet Undertale] by bebbltrizz

transformation

Goat Mom Skinsuit (M Human -> F Goat/Toriel; Suit MTF/TGTF)[Undertale] by HelixJack

transformation

Being Toriel [M Human -> F Goat Mom/MILF; MTF/TGTF; Suit/Skinsuit] [Undertale] by blackshirtboy

transformation

Motherly Makeover / Toriel TF TG [M Human -> F Anthro Goat; MTF/TGTF; Twinning/Character TF][Undertale] - foxxy-tf

transformation

Initiation [M Human -> F Bimbo Goat Mom/MILF; MTF/TGTF; Bimbofication][Undertale] - blackshirtboy

transformation

Muffet selling Spider Donuts and Spider Cider [Undertale] (Scas)

MonsterGirl, rule34, SpidersNestHentai

First attempt at NSFW, thought I'd animate Muffet in the Undertale style

UnderTail

Milf Toriel (pbrown) [Undertale]

rule34

Trying Her on for Size [F Anthro Goat MILF TF; Suit, Age Progression][Undertale] - blackshirtboy

transformation

Muffet (R-MK) [Undertale]

rule34, UnderTail, MonsterGirl, SpiderGirls

Muffet must be punished for such indecency (haaru) [Undertale]

MonsterGirl, rule34, AnimeBooty, Hentai4Everyone, hentai, Uniform_Hentai, VideoGame_Hentai, yiff, furryporn, Hentaiaddict, IAmDoingAThing

Embarrassed Undyne in a bunny costume is so cute (noaharbre) [Undertale]

rule34, ecchi, MonsterGirl, AnimeBooty, AnimeBunnyGirls, yiff, Sukebei, animelegwear, Waifutights, VideoGame_Hentai, thighdeology

Undyne [Undertale]

shark_teeth

Cat-Fish Undyne (noaharbre) [Undertale]

rule34, ecchi, Nekomimi, AverageAnimeTiddies, MonsterGirl, VideoGame_Hentai, thighdeology, HentaiFurrys, yiff

Upskirt while chilling in class (thebestlav) [undertale]

rule34

asriel undertale [FMM] (fleet foot)

anal_yiff