absurd_res aeromorph aircraft airplane alternate_species anthro big_breasts blush breasts clothing digitigrade dire_aircraft dire_machine dire_vehicle duo female hat headgear headwear hi_res living_aircraft living_machine living_vehicle machine not_furry robot solo tsunderplane undertale undertale_(series) unusualsombrero vehicle
2:3 alternate_universe android clothed clothing digital_media_(artwork) fan_character femboy glistening hair humanoid long_hair looking_at_viewer machine male mettaton_(underfell) mettaton_ex_(underfell) multi_eye not_furry open_mouth robot robot_humanoid sharp_teeth simple_background sl4ughtermelon smile solo teeth underfell undertale undertale_(series)
anal anal_penetration animated_skeleton anthro armpit_hair asgore_dreemurr balls beard blush body_hair bone boss_monster_(undertale) bovid caprine clothed clothing clothing_lift duo erection facial_hair from_front_position genitals hi_res horn idiotwica lying male male/male male_penetrated male_penetrating male_penetrating_male mammal missionary_position nude on_back penetration penis sans_(undertale) sex shirt shirt_lift size_difference skelefucking skeleton tongue tongue_out topwear undead undertale undertale_(series)
9:16 anthro boss_monster_(undertale) bovid caprine clothed clothing female frisk_(undertale) hi_res mammal simple_background sketch toriel traditional_media_(artwork) undertale undertale_(series) unusualsombrero
2016 2:3 absurd_res angstrom anthro asriel_dreemurr_(god_form) bent_over big_breasts black_sclera boss_monster_(undertale) bovid breasts butt caprine clothed clothing crossgender digital_media_(artwork) female footwear hi_res horn leaning leaning_forward legwear long_ears mammal mtf_crossgender nipples panties seductive simple_background socks solo standing stockings thigh_highs topless undertale undertale_(series) underwear
2016 absurd_res alligator alligatorid angstrom anthro bratty_(undertale) breasts clothed clothing crocodilian digital_media_(artwork) female green_body hands_on_legs hands_on_thighs hi_res nipple_tape non-mammal_breasts pasties purple_background reptile scalie simple_background solo tape under_boob undertale undertale_(series)
advertisement anthro big_breasts boss_monster_(undertale) bovid breasts caprine english_text female jonfawkes lumineko mammal mature_anthro mature_female promotional_material screencap solo text toriel undertale undertale_(series)
4:3 animated_skeleton bone clothing english_text flowey_the_flower frisk_(undertale) gaster gaster_blaster group hi_res human mammal ms-wabbit_(artist) sans_(undertale) skeleton text undead undertale undertale_(series)
2018 absurd_res ambiguous_gender animated_skeleton anthro asgore_dreemurr beard bone boss_monster_(undertale) bovid caprine chara_(undertale) clothed clothed_anthro clothed_human clothed_humanoid clothed_male clothing comic digital_media_(artwork) english_text facial_hair foxtragic frisk_(undertale) fur hair hi_res horn human humanoid long_image male male_anthro male_human male_humanoid mammal sans_(undertale) simple_background skeleton tall_image text undead undertale undertale_(series) white_body white_fur
5:8 abdominal_bulge abuse anthro anthro_raped beat_up blush bodily_fluids boss_monster_(undertale) bovid breasts bruised caprine clock cruelty crying cum cum_in_mouth cum_inside cum_on_face cute_fangs dark_body dark_skin delta_rune_(emblem) dialogue digital_media_(artwork) dominant dominant_human dominant_male duo english_text fangs female female_raped flower forced fur genital_fluids hakiahki hi_res horn human human_dominating_anthro human_on_anthro human_rape instant_loss_2koma interspecies interspecies_domination kindness larger_dom larger_male larger_rape long_ears looking_at_viewer male male/female male_dominating_female male_rape male_raping_female mammal mature_anthro mature_female misogyny multiple_scenes nipples nude open_mouth pain peril plant plant_pot rape rough_sex ryona sad sex sexism simple_background size_difference smaller_female smaller_raped smile snaggle_tooth solo speech_bubble submissive submissive_anthro submissive_female symbol tears teeth text toriel undertale undertale_(series) wall_clock white_body white_fur wounded
absurd_res accessory animal_humanoid arachnid arachnid_humanoid areola arthropod arthropod_humanoid big_areola big_breasts big_nipples black_and_white bodily_fluids bow_(feature) bow_accessory bow_ribbon breast_play breasts cum cum_on_face disembodied_penis duo erection fangs female genital_fluids genitals gray_impact hair hair_accessory hair_bow hair_ribbon hi_res huge_areola huge_breasts huge_nipples humanoid humanoid_genitalia humanoid_penis licking male money monochrome muffet multi_arm multi_eye multi_limb nipples noseless penis ribbons sex smile solo_focus spider_humanoid teeth titfuck tongue tongue_out twin_bows twin_hair_bows undertale undertale_(series) vulva wallet wide_hips
ambiguous_gender angry anthro asgore_dreemurr blue_and_white boss_monster_(undertale) bovid caprine captaingerbear comic english_text female frisk_(undertale) hi_res human long_image male mammal monochrome text toriel undertale undertale_(series) wide_image
2015 alphys angry anthro aquatic bed bedroom black_and_white blush breasts claws collar comic dialogue duo english_text eyewear female female/female flat_chested furniture genitals glasses hi_res leash misunderstanding monochrome nipples non-mammal_breasts non-mammal_nipples nude pen_(artwork) reptile scalie small_breasts smile teeth text toe_claws traditional_media_(artwork) undertaild undertale undertale_(series) undyne vulva
anal anal_masturbation anal_orgasm anal_penetration animal_genitalia animal_penis anthro balls bodily_fluids bottomless canid canine canine_genitalia canine_penis canis clothed clothing clothing_lift cum cum_while_penetrated cumshot dildo dildo_sitting doggo_(undertale) domestic_dog ejaculation english_text erection exclamation_point genital_fluids genitals hands-free hi_res humanoid_dildo kingfurrytrash knot male mammal masturbation nude open_mouth orgasm penetration penis precum question_mark sex sex_toy shirt shirt_lift solo speech_bubble tank_top text topwear toying_self undertale undertale_(series)
2015 alien alien_humanoid aquatic arainmorn blue_body blue_skin blush boss_monster_(undertale) bovid breasts butt butt_grab caprine cartoon_network crossover duo eye_patch eyewear female female/female fish french_kissing from_front_position gem_(species) hair hand_on_butt hi_res humanoid jasper_(gem_species) jasper_(steven_universe) kissing lotus_position mammal nipples nude on_lap orange_body orange_skin quartz_(gem_species) red_hair sex sitting sitting_on_lap steven_universe undertale undertale_(series) undyne white_hair
2015 accessory anthro arachnid arthropod black_hair blue_eyes bow_(feature) bow_accessory bow_ribbon clothed clothing container cup cutlery digital_media_(artwork) fangs female feral grey_body grey_skin group hair hair_accessory hair_bow hair_ribbon hi_res holding_object holding_spoon kitchen_utensils limebreaker muffet multi_eye multi_limb noseless pigtails ribbons smile solo_focus spider spoon tea_cup teapot teeth tools twin_bows twin_hair_bows undertale undertale_(series)
2015 absurd_res animal_humanoid aquatic aquatic_humanoid bodily_fluids clothing dialogue english_text eye_patch eyewear female fish fish_humanoid hair hi_res humanoid jacket looking_at_viewer noseless red_hair smile solo speech_bubble sweat text topwear toughsetselect undertale undertale_(series) undyne yellow_eyes
alternate_universe altertale ambiguous_gender animated_skeleton bone brown_hair clothing duo footwear friisans frisk_(undertale) hair hi_res hoodie human mammal not_furry sans_(altertale) sans_(undertale) shoes simple_background skeleton skull slippers smile topwear undead undertale undertale_(series) white_background
alternate_universe angeltale animated_skeleton armor bone boots bottomwear clasped_hands clothed clothing digital_media_(artwork) eyes_closed fan_character feathered_wings feathers flying footwear full-length_portrait gloves handwear hi_res humanoid le-poofe male not_furry pants papyrus_(undertale) portrait scarf shoes side_view skeleton smile solo undead undertale undertale_(series) wings
ambiguous_gender android aquatic black_hair blue_hair dj_booth electronics female fish ghost glistening group hair headphones hi_res humanoid machine male mettaton mettaton_ex microphone napstablook not_furry processormalfunction robot robot_humanoid shyren singing sparkles spirit stage undertale undertale_(series)
absurd_res alcohol alpha_channel alphys animated_skeleton annoying_dog_(undertale) anthro aquatic arthropod_webbing asgore_dreemurr asriel_dreemurr beverage bone boss_monster_(undertale) bottle bovid brother_(lore) canid canine canis cape caprine chara_(undertale) character_cipher clothed clothing cocktail container cousins_(lore) creepy crossdressing crown dessert domestic_dog dress elemental_creature english_text eye_patch eyewear facial_hair fairy female fire fire_creature fish flora_fauna flower flowey_the_flower food frisk_(undertale) gaster gaster_blaster ghost grillby group headgear heart_symbol hi_res horn human humanoid ketchup lamey-ami lizard long_ears male mammal melee_weapon mettaton monochrome mustache napstablook papyrus_(undertale) pastry pie plant polearm reptile sans_(undertale) scalie sibling_(lore) skeleton skull spear spirit tem temmie_(undertale) text thorns toriel undead undertale undertale_(series) undyne url weapon whimsun wingdings_text
:3 alphys anthro aquatic blush buckteeth clothing dominant dominant_female duo ear_fins english_text eye_patch eyewear fangs female female/female fin fish gills glasses grope heart_symbol hi_res lizard monochrome purring reptile scalie submissive submissive_female tail tail_motion tailwag teeth text undertaild undertale undertale_(series) undyne
2015 absurd_res animal_humanoid aquatic aquatic_humanoid athletic_wear bra breasts clothing eye_patch eyewear fangs female fish fish_humanoid hair hi_res humanoid long_hair navel non-mammal_breasts red_hair reka siqlyprince sketch small_breasts solo sports_bra teeth undertale undertale_(series) underwear undyne
absurd_res animated_skeleton bodily_fluids bone brown_hair clothing comic door exclamation_point flirting frisk_(undertale) hair hand_holding heart_symbol hi_res human jacket kuangtai mammal not_furry notice sans_(undertale) skeleton skull sweat topwear undead undertale undertale_(series) unsure window
1:1 alternate_species alternate_universe beard bottomwear canid canine canis clothed clothing dialogue dogamy dogaressa domestic_dog domestic_pet duo english_text facial_hair female feral fur group hair heart_symbol hi_res hoodie houndertale human humanized male mammal pants shirt sketch_page smile stuffthatisirrelevant text topwear toriel undertale undertale_(series) white_body white_fur
1:1 :3 alternate_species bottomwear canid canine canis clothed clothing domestic_dog domestic_pet fur greater_dog hair heart_symbol hi_res houndertale human humanized lesser_dog male mammal mettaton pants shirt smile stuffthatisirrelevant text topwear undertale undertale_(series)
ambiguous_gender bodily_fluids crossover dbkit duo elemental_creature elemental_humanoid female flora_fauna flower flower_creature flower_humanoid flowey_the_flower hi_res humanoid letterbox not_furry parappa_the_rapper plant plant_humanoid simple_background sony_corporation sony_interactive_entertainment sunny sunny_funny tears undertale undertale_(series)
3:2 alternate_universe angeltale animated_skeleton bone boots bottomwear clothed clothing cloud fan_character feathered_wings feathers flying footwear hi_res humanoid jacket male not_furry pants sans_(undertale) serpentinesaltern shoes skeleton sky smile solo topwear undead undertale undertale_(series) wings
alternate_species animated_skeleton bone boots brother_(lore) brothers_(lore) canid canine canis clothing cubewatermelon digital_media_(artwork) domestic_dog duo footwear hoodie male mammal papyrus_(undertale) sans_(undertale) shoes sibling_(lore) skeleton topwear undead undertale undertale_(series)
2016 abs anthro aquatic biped bottomwear bra clothed clothing eye_patch eyewear female fish footwear hair hi_res line_art miketheuser monochrome navel shoes shorts simple_background sitting smile solo sports_bra undertale undertale_(series) underwear undyne white_background
2016 abs anthro aquatic biped bottomwear bra clothed clothing colored eye_patch eyewear female fish footwear hair hi_res miketheuser navel red_hair shoes shorts simple_background sitting smile solo sports_bra undertale undertale_(series) underwear undyne white_background
1:1 alternate_universe animated_skeleton bone clothed clothing fedora gaster gloves handwear hat headgear headwear hi_res male not_furry question_mark simple_background skeleton smile solo suit sweater text topwear turtleneck undead undermafia undermafiaz undertale undertale_(series)
2d_animation accessory alternate_universe ambiguous_gender animated animated_gif animated_skeleton blush bone clothing fan_character fedora frisk_(undertale) gaster group hat headgear headwear heart_font heart_symbol human jacket kiatokid male mammal necktie not_furry papyrus_(undertale) sans_(undertale) scarf short_playtime skeleton smile teeth topwear undead undermafia undertale undertale_(series)
2015 android boots clothing colored_nails digital_media_(artwork) femboy fingernails footwear glistening glitch heart_symbol high_heeled_boots high_heels humanoid infel-phira looking_at_viewer machine mettaton_ex nails not_furry robot robot_humanoid shoes solo undertale undertale_(series)
animal_humanoid animated_skeleton aquatic aquatic_humanoid bone clothing duo english_text eye_patch eyewear female fish fish_humanoid hi_res humanoid kaiser44 male papyrus_(undertale) shirt skeleton tank_top text topwear undead undertale undertale_(series) undyne
alternate_universe ambiguous_gender animal_humanoid aquatic aquatic_humanoid armor blue_body blue_clothing cape clothing constellation ear_fins ear_frill eye_patch eyeshadow eyewear fin fish fish_humanoid frill_(anatomy) front_view galaxy hair headgear helmet humanoid julymarte looking_at_viewer makeup nebula outertale ponytail portrait red_eyeshadow red_hair solo space standing star teeth three-quarter_portrait undertale undertale_(series) undyne undyne_(outertale) yellow_sclera yellow_teeth
absurd_res animated_skeleton blue_and_white bodily_fluids bone clothed clothing crying english_text hi_res monochrome not_furry sad sans_(undertale) skeleton solo sumizome-no-okami tears text undead undertale undertale_(series)
anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro dragon duo erection genitals lagomorph leporid male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular mythological_creature mythological_scalie mythology penetration penis rabbit rg01_(undertale) rg02_(undertale) scalie sex undertale undertale_(series) unknown_artist
absurd_res angry animated_skeleton baseball_bat bat_(object) bone clothing crossover digital_media_(artwork) domestic_cat duo_focus elemental_creature felid feline felis fight flora_fauna flower flower_creature flowey_the_flower group hat havesomemoore headgear headwear hi_res jacket looking_at_viewer mammal off_(game) plant sans_(undertale) serious skeleton skull split_screen teeth the_batter_(off) the_judge_(off) topwear undead undertale undertale_(series)
absurd_res alternate_universe animated_skeleton bone boots clothing english_text footwear gaster_blaster hi_res not_furry papyrus_(undertale) popcornpr1nce role_reversal sad sans_(undertale) scarf shoes skeleton text third-party_edit undead underswap undertale undertale_(series)
2015 absurd_res bodily_fluids clothing crying elemental_creature elemental_humanoid english_text eyewear fire fire_creature fire_humanoid glasses grillby hi_res hoodie humanoid not_furry reaction_image solo tears text topwear undertale undertale_(series) unknown_artist
2015 absurd_res dessert elemental_creature elemental_humanoid eyewear fire fire_creature fire_humanoid food glasses grillby hi_res humanoid ice_cream not_furry solo undertale undertale_(series) unknown_artist
2018 ahegao anthro big_breasts boss_monster_(undertale) bovid breasts caprine comic corruption disembodied_penis duo english_text eyelashes female female_focus female_penetrated from_front_position fur genitals gin-blade heart_symbol heterochromia hi_res horn huge_breasts human hyper long_ears looking_pleasured lying male male/female male_penetrating male_penetrating_female mammal mature_anthro mature_female mind_control missionary_position nipples on_back penetration penile penile_penetration penis penis_in_vagina potbelly sex slightly_chubby solo_focus soul spread_legs spreading text thick_thighs tongue tongue_out toriel undertale undertale_(series) vaginal vaginal_penetration vein vulva white_body white_fur
anthro asriel_dreemurr_(god_form) balls bassybefuddle black_sclera boss_monster_(undertale) bovid caprine claws conditional_dnp erection genitals humanoid_genitalia humanoid_penis male mammal nude penis solo toe_claws undertale undertale_(series) white_balls yellow_eyes
2015 anthro asriel_dreemurr boss_monster_(undertale) bovid caprine child clothed clothing erupan flower fur hi_res long_ears lying male mammal plant sleeping solo undertale undertale_(series) white_body white_fur young
absurd_res aftertale animated_skeleton blush bone clothed clothing comic dialogue english_text furniture grin hi_res humanoid humor loverofpiggies male not_furry one_eye_closed papyrus_(undertale) pun sans_(undertale) sitting skeleton smile sofa speech_bubble teeth text undead undertale undertale_(series) underwear wink
absurd_res aftertale animated_skeleton blood bodily_fluids bone clothed clothing coat comic dialogue english_text frisk_(undertale) grin hair hi_res human humanoid jacket knife loverofpiggies male mammal not_furry one_eye_closed sans_(undertale) simple_background skeleton smile teeth text topwear undead undertale undertale_(series) violence wide_eyed wink wounded
alpha_channel ambiguous_gender anthro armless asriel_dreemurr barefoot blue_clothing blue_sweater blue_topwear blush boss_monster_(undertale) bovid brown_hair caprine chara_(undertale) child clothing dancing electronics eyes_closed feet frisk_(undertale) fur green_clothing green_sweater green_topwear group hair headphones human long_ears male mammal mangneto monster_kid open_mouth outline pattern_clothing pattern_sweater pattern_topwear shirt simple_background smile striped_clothing striped_sweater striped_topwear stripes sweater topwear transparent_background undertale undertale_(series) white_body white_fur yellow_body yellow_skin young
alphys anthro boss_monster_(undertale) bovid caprine clothing coat eyewear female frisk_(undertale) fur glasses group horn human lab_coat lizard mammal ovopack reptile running scalie topwear toriel undertale undertale_(series) white_body white_fur
2018 3:4 animal_humanoid aquatic aquatic_humanoid big_breasts blue_body blue_skin breasts digital_media_(artwork) dnp101 eye_patch eye_patch_only eyewear eyewear_only female fish fish_humanoid hair hi_res huge_breasts humanoid looking_at_viewer nipples non-mammal_breasts non-mammal_nipples nude nude_female nude_humanoid red_hair simple_background smile solo undertale undertale_(series) undyne yellow_sclera
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