anonymous artist 4chan anon

explicit

female male

flowey the flower martlet (undertale yellow)

mammal flora fauna marsupial avian bird monster alien elemental creature flower creature

undertale undertale yellow undertale (series)

group anus blush presenting text ass bottomless breasts clothing duo nude raised tail clothed hair neck tuft tuft dialogue tongue vaginal open mouth tail smile big butt spread legs spreading pillow perineum presenting anus presenting hindquarters plant crouching teeth sweat inside outside rear view window age difference speech bubble fangs pregnant vines transformation spread butt spread anus vore beak egg feathers wings beverage vulva simple background trio older female flower sweatdrop oviposition petals alcohol drunk liquor monochrome nude female unbirthing tail feathers older anthro genitals cross pupils bodily fluids adoption anthropomorphism round window avian feet vaginal fluids feathered tail blush lines traditional media (artwork) absurd res sabertooth (anatomy) hi res genital fluids substance intoxication comic english text spread vulva pregnant female graphite (artwork) bottomless anthro nude anthro czech text pregnant anthro mother (lore) mother and child (lore) mother and son (lore) parent (lore) parent and child (lore) parent and son (lore) son (lore) adopted (lore) adopted son (lore) adoptive mother (lore) egg from vagina

junofreakyowl

questionable

female

alphys

scalie reptile monster

undertale undertale (series)

looking at viewer looking back ass breasts nude solo big breasts nipples areola open mouth tail eyewear glasses big butt wide hips teeth sharp teeth huge breasts thick thighs huge butt non-mammal breasts overweight yellow body overweight female tailwag freckles motion lines nude female anthropomorphism non-mammal nipples hi res overweight anthro tail motion nude anthro freckled breasts freckled face freckled legs freckled tail freckled butt freckled thighs freckled shoulders

redelder

questionable

female

toriel toriel (undertale)

mammal caprine goat bovid

undertale undertale (series)

looking at viewer breasts clothing fur clothed solo big breasts nipples smile horn heart symbol breast squish squish lace heart eyes anthropomorphism digital media (artwork) absurd res hi res

sexylinguini

questionable

female male

asriel dreemurr dess holiday

mammal caprine goat reindeer deer bovid new world deer

undertale deltarune undertale (series)

blush text breasts clothing duo clothed male/female nipples dialogue saliva topless ear piercing piercing speech bubble kissing saliva string monochrome clothed male bodily fluids anthropomorphism ear ring blush lines hi res comic english text ring piercing 4:5 topless female kiss on lips halftone

stephsartlab

safe

female

martlet (undertale yellow)

avian bird monster

undertale undertale yellow undertale (series)

blush text blue eyes breasts chest tuft clothing fur clothed hair multicolored hair neck tuft shirt solo tuft sitting tail blue fur blue hair eyewear smile happy wide hips plant building sky hand on leg white background outside detailed background thick thighs pants belt tree cheek tuft eyebrows non-mammal breasts long hair beak looking up feathers autumn wings translucent boots footwear shoes eyelashes goggles scarf simple background fingers translucent hair feathered wings blue body border sun bag mountain white border covered breasts leaf blue feathers brick buckle gesture blue bottomwear tail feathers blue clothing winged arms wind feather hair sunrise white topwear belt buckle white clothing yellow beak blue pants hand gesture anthropomorphism topwear bottomwear feather hands facial tuft digital media (artwork) 16:9 eyebrow through hair curvy figure pseudo hair hi res english text widescreen

telehypnotic

explicit

female

undyne alphys

undertale undertale (series)

text breasts duo nude big breasts pubes thick thighs washing machine appliance anthropomorphism laundry machine digital media (artwork) 3d (artwork) absurd res hi res meme english text stuck in washing machine

justsomeidiotonline

explicit adult

male

flowey the flower

humanoid flora fauna elemental creature

undertale undertale (series)

blush solo penis saliva cum cum inside gay cum on face male/male plant cum in mouth cumshot sweat saliva trail looking pleasured kissing saliva string kiss excessive cum cum string cum on self penis grab flower cum vomit sweatdrop flower petals cumming facefuck blowjob face fucking hand on penis not furry undertale selfcest asriel asriel dreemurr boy solo male undertail cum shot flowers flowey genitals male male blow job flowey the flower blow-job after oral boys bodily fluids homosexual self pleasure saliva on penis blowjobs facefucking male solo homosexuality asriel dreemur hi res genital fluids saliva on tongue male/solo solo m solo/m solo/male ut gay males undertale (series) excessive genital fluids undertale fanart m/m flowey porn set! 5 images

theimmortalguy

explicit

female male

undyne frisk (undertale)

fish aquatic

undertale undertale (series)

sex ass breasts big breasts penis big butt wide hips doggystyle size difference huge breasts big penis thick thighs hyper huge butt from behind position bubble butt hyper butt tagme exposed breasts thrusting huge thighs genitals exposed ass hi res wide hipped female

lyorenth-the-dragon

questionable

female male

martlet (undertale yellow) clover (undertale yellow) starlo (undertale yellow) kanako ketsukane ceroba ketsukane

canine fox mammal human avian bird monster canid boss monster (undertale)

undertale undertale yellow undertale (series)

group blush looking at viewer blue eyes breasts clothing duo fur nude clothed hair shirt solo tuft brown hair tongue open mouth tail blue fur blue hair brown fur eyewear smile lying on back tears water cleavage detailed background orange fur kissing eyebrows white eyes long hair brown eyes orange hair beak feathers biped wings eyelashes goggles scarf fingers trio feathered wings blue body headgear covered breasts nude female blue feathers headwear orange body brown body japanese clothing partially submerged blue clothing blue topwear feather hair mouth closed closed smile bodily fluids asian clothing anthropomorphism topwear bottomwear feather hands blush lines digital media (artwork) pseudo hair hi res east asian clothing

redmanart

explicit

female

undyne

fish merfolk monster aquatic

undertale undertale (series)

breasts nude hair solo big breasts nipples areola smile muscular muscular female teeth water sharp teeth blue skin big areola abs big nipples breast squish red hair blue body underwater on glass squish swimming water tank fish tail breasts on glass aquarium fish tank vivarium mermaid tail split form absurd res hi res alternate body type against surface

showdownas amsheegar mv

questionable

female

undyne

humanoid animal humanoid fish monster marine humanoid aquatic

undertale undertale (series)

ass breasts nude hair solo bathing shower athletic game wet long hair red hair showering fingers blue body gills nude female medium breasts athletic female dripping water nude humanoid

stephsartlab

safe

female male

fan character martlet (undertale yellow)

avian bird monster

undertale undertale yellow undertale (series)

blush breasts chain chest tuft clothing fur clothed hair multicolored hair neck tuft solo tuft male/female tongue open mouth tail blue fur blue hair eyewear smile happy hug standing wide hips eyes closed size difference cloud star outside detailed background heart symbol thick thighs dress pants cheek tuft eyebrows jewelry necklace non-mammal breasts white eyes long hair beak feathers autumn wings translucent footwear shoes eyelashes goggles simple background fingers translucent hair feathered wings blue body border white border covered breasts blue feathers bone blue bottomwear tail feathers skeleton shooting star blue clothing winged arms blue topwear feather hair raised eyebrows yellow beak anthropomorphism topwear bottomwear feather hands blush lines facial tuft digital media (artwork) eyebrow through hair curvy figure pseudo hair dark clothing hugging another

kyokee0 (artist)

explicit

female male

temmie (undertale)

canine mammal human tem canid

undertale undertale (series)

first person view sex blush looking at viewer text barefoot bdsm bondage bottomless bound breasts clothing duo fur clothed hair white fur big breasts disembodied penis erection male/female nipples penis solo focus areola balls vaginal black nose open mouth lying mostly nude spread legs spreading backsack hindpaw on back pawpads paws penetration vaginal penetration wide hips interspecies 3 toes toes navel sweat slightly chubby big penis front view thick thighs human on anthro vein veiny penis voluptuous leg grab plantigrade black eyes thigh grab huge penis feet belly short hair inverted nipples disembodied hand partially clothed male penetrating questionable consent vulva on ground fingers stripes grey hair male pov white body clothed sex sweatdrop brown nipples tan skin exposed breasts white ears arms above head hands tied blue pawpads spread toes hands above head female anthro no bra tan body male on anthro male human female focus beady eyes blue clothing blue topwear yellow topwear light skin brown areola multicolored clothing white text striped clothing striped topwear tan balls genitals humanoid genitalia yellow stripes yellow clothing penile clothed female bodily fluids anthropomorphism lying on ground multicolored topwear topwear featureless hands white breasts raised clothing human pov pink blush penile penetration two tone clothing pattern clothing two tone topwear narrowed eyes human penetrating anthro female on human human penetrating blush lines tan penis female penetrated anthro penetrated male penetrating female male penetrating anthro blue inner ear humanoid vulva penis in vagina penetrating pov absurd res curvy figure hi res pattern topwear anthro focus bottomless female human penetrating female simple eyes raised topwear slightly chubby female monotone hair monotone body monotone fur light body light clothing light topwear shaded sweaty face dark inner ear dark pawpads topwear only partially clothed female mostly nude female slightly chubby anthro blushing at viewer from front position bottomless anthro mostly nude anthro clothed anthro partially clothed anthro heel pad humanoid heel plantigrade pawpads wide hipped female wide hipped anthro

moonydoony

explicit

male

sans (undertale) grillby

undertale undertale (series)

anus text ass solo sitting smile big butt male/male sweat glass bar bone skeleton furniture ectoplasm bartender bodily fluids anthropomorphism sweaty butt absurd res hi res 1:1 english text

sebtoons

explicit

female male

martlet (undertale yellow)

canine mammal avian bird monster canid canis domestic dog

undertale undertale yellow undertale (series)

blush ass blue eyes breasts clothing duo fur nude clothed hair tuft big breasts male/female nipples areola tongue open mouth tail blue fur blue hair smile big butt wide hips interspecies huge breasts heart symbol thick thighs pants huge butt 5 fingers blue nipples beak feathers biped wings facesitting eyelashes fingers feathered wings blue body submissive blue feathers blue areola tail feathers feather hair submissive male dominant female yellow beak feather tuft dominant anthropomorphism bottomwear feather hands blush lines digital media (artwork) absurd res pseudo hair hi res sitting on another

obagcron

explicit

female

toriel cubby

mammal caprine goat bovid

undertale undertale (series)

looking at viewer bottomless breasts clothing clothed solo big breasts nipples eyewear glasses mostly nude sweat low-angle view thick thighs dress belly clothing lift white body mature female female anthro dress lift bodily fluids anthropomorphism wearing glasses vaginal fluids absurd res hi res genital fluids

stephsartlab

safe

female male

fan character martlet (undertale yellow)

mammal avian bird monster caprine goat bovid boss monster (undertale)

undertale undertale yellow undertale (series)

blush looking at viewer breasts chain chest tuft clothing duo fur clothed hair multicolored hair neck tuft solo tuft white fur big breasts male/female tongue open mouth tail blue fur blue hair eyewear smile happy hug standing wide hips eyes closed cleavage sky hand on leg one eye closed outside detailed background heart symbol thick thighs dress kissing cheek tuft eyebrows jewelry necklace non-mammal breasts long hair beak feathers wings translucent side view eyelashes goggles simple background fingers hat translucent hair feathered wings blue body white body headgear border white border covered breasts blue feathers headwear robe wizard hat gesture blue bottomwear tail feathers blue clothing winged arms blue topwear feather hair raised eyebrows yellow beak hand gesture anthropomorphism topwear bottomwear feather hands blush lines facial tuft digital media (artwork) curvy figure pseudo hair hi res dark clothing hugging another

stephsartlab

safe

female

martlet (undertale yellow)

avian bird monster

undertale undertale yellow undertale (series)

blush looking at viewer blue eyes breasts chain chest tuft clothing fur clothed hair multicolored hair neck tuft solo tuft big breasts open mouth tail blue fur blue hair eyewear smile happy standing wide hips cleavage cloud moon sky star hand on leg one eye closed outside detailed background heart symbol thick thighs dress cheek tuft eyebrows jewelry necklace non-mammal breasts long hair beak feathers wings translucent side view starry sky eyelashes goggles simple background fingers translucent hair feathered wings blue body border white border covered breasts blue feathers gesture blue bottomwear tail feathers blue clothing winged arms blue topwear feather hair raised eyebrows yellow beak hand gesture anthropomorphism topwear bottomwear feather hands blush lines facial tuft digital media (artwork) eyebrow through hair curvy figure pseudo hair hi res dark clothing

ionai

explicit

female

noelle holiday

mammal deer

undertale deltarune undertale (series) utdr (toby fox)

blush pussy text furry nude hair solo nipples areola dialogue vaginal open mouth tail blonde hair brown fur smile cub flat chest flat chested loli pillow young hug masturbation eyes closed vaginal masturbation horn teeth navel moan white background multicolored tail looking pleasured countershading two tone tail eyebrows 5 fingers long hair pink nipples barely visible genitalia biped slim grey background vulva simple background fingers freckles short tail three-quarter view white body 1girl gradient background countershade torso arched back motion lines red nose grinding nude female antlers multicolored body grey body rubbing brown body buckteeth pink areola female anthro young female humanoid hands brown tail white countershading grey tail countershade tail fantasizing curved horn grey countershading brown horn stuttering genitals humanoid genitalia pillow humping hugging pillow dated bodily fluids brown ears anthropomorphism black text brown antlers vaginal fluids hugging object holding pillow 2 horns blonde eyebrows humanoid vulva grey inner ear absurd res hi res genital fluids artist name scut tail english text slim female monotone hair monotone horn portrait three-quarter portrait shaded monotone antlers nude anthro name drop slim anthro freckled face name in dialogue young anthro barely visible vulva brown freckles 2026

neondonut

explicit

female male

alphys

mammal scalie lizard reptile equine zebra equid

undertale undertale (series)

sex animal genitalia breasts clothing duo nude clothed big breasts male/female penis balls oral tail cum cum inside eyewear glasses penetration interspecies oral penetration cum in mouth cum on breasts inside animal penis non-mammal breasts yellow body male penetrating scales freckles stripes deepthroat neck bulge clothed/nude nude male genitals clothed female bodily fluids anthropomorphism female penetrated male penetrating female digital media (artwork) 3d (artwork) hi res genital fluids freckled face scale freckles blender (artwork) blender cycles (artwork)

yanisp5

safe

female

toriel

mammal caprine goat bovid boss monster (undertale)

undertale undertale (series)

breasts clothing fur clothed fully clothed solo white fur big breasts tail smile fluffy fluffy tail horn huge breasts thick thighs eyebrows long ears hooves white body wrinkles white ears long tail thick eyebrows brown horn fluffy ears anthropomorphism smiling at viewer brown fingers

latiar

explicit

female male intersex dickgirl

muffet biscotti (latiar) sylvana (latiar)

arthropod arachnid spider

undertale undertale (series)

group blush text breasts nude hair neck tuft tuft big breasts humanoid penis nipples penis balls dialogue hand on breast open mouth sitting featureless crotch smile lying spread legs spreading standing big penis heart symbol breast grab vein on side glans biped grey background eyelashes intersex/male simple background fingers motion lines multi eye multi arm multi limb mouth closed genitals closed smile humanoid genitalia black text question mark blush lines sketch english text talking to another 2026

unknown artist 4chan anon

safe

female male

martlet (undertale yellow) clover (undertale yellow) martlet (zenith form)

mammal human avian bird monster boss monster (undertale) soul (undertale)

undertale undertale yellow undertale (series)

group looking at viewer text claws clothing duo fur clothed hair shirt solo tuft male/female brown hair blue fur blue hair black fur toes yellow eyes slit pupils heart symbol yellow sclera pants belt black eyes talons eyebrows 5 fingers feet ambiguous gender pupils transformation beak feathers biped wings glowing eyelashes scarf simple background fingers hat feathered wings blue body headgear black body blue feathers headwear brown body black feathers buckle female/ambiguous bioluminescence cowboy hat feather hair soul belt buckle after transformation adoption anthropomorphism blue beak topwear neutral expression avian feet blue eyebrows finger claws claw fingers bottomwear feather hands digital media (artwork) pseudo hair hi res english text avian arms mother (lore) mother and child (lore) parent (lore) parent and child (lore)