alternate_universe anthro armor big_butt blush bodily_fluids breasts bulge butt butt_cleavage comic digital_media_(artwork) english_text female frisk_(undertale) group heart_symbol human kitty_(under(her)tail) male mammal monster monster_kid nokyel_(under(her)tail) profanity running sketch sweat tail teeth text thewill tongue tripping under(her)tail undertale undertale_(series) undyne
against_surface against_wall alternate_universe anthro big_butt blush buckteeth bulge butt butt_cleavage comic digital_media_(artwork) english_text female group heart_eyes heart_symbol human kitty_(under(her)tail) male mammal monster monster_kid profanity raining sketch tail teeth text thewill tongue umbrella under(her)tail undertale undertale_(series) wet
16:9 2016 alphys ambiguous_gender animated animated_skeleton anthro aquatic asgore_dreemurr asriel_dreemurr bone boss_monster_(undertale) bovid breakdancing caprine copyright_name dancing elemental_creature female fish flora_fauna flower flowey_the_flower frisk_(undertale) ghost goat group human jukebox_animation lizard long_playtime machine male mammal mettaton mettaton_ex monster_kid music napstablook papyrus_(undertale) photoshop_flowey plant reptile robot sans_(undertale) scalie skeleton sound spirit tem temmie_(undertale) text toriel undead undertale undertale_(series) undyne video widescreen
2016 alphys anthro clothed clothing comic english_text eyewear female glasses hi_res lizard male monochrome monster_kid mudkipful open_mouth reptile scalie simple_background sketch text undertale undertale_(series) white_background young
alternate_universe armor big_butt blush bodily_fluids breasts bulge butt butt_cleavage comic digital_media_(artwork) ellipsis english_text erection female genitals group hair hi_res human kitty_(under(her)tail) male mammal monster_kid nokyel_(under(her)tail) penis sketch sweat teeth text thewill tongue under(her)tail undertale undertale_(series) undyne
2015 :| alphys ambiguous_gender armless bodily_fluids clothed clothing coat comic crying digital_media_(artwork) duo eyewear female glasses group human isabunnie lab_coat mammal monster_kid sad scalie shirt simple_background tears teeth thought_bubble topwear undertale undertale_(series) white_background wide_eyed yelling
2015 alphys ambiguous_gender anthro clothed clothing coat comic cybernetics cyborg digital_media_(artwork) duo excited eyewear female glasses happy isabunnie lab_coat machine mirror monster_kid open_mouth prosthetic prosthetic_arm prosthetic_limb scalie shirt simple_background teeth tongue tongue_out topwear undertale undertale_(series) white_background
:| alphys ambiguous_gender anthro clothed clothing coat comic cybernetics cyborg digital_media_(artwork) duo female group isabunnie lab_coat lizard machine male mettaton mettaton_ex monster_kid mtt_brand_legs open_mouth prosthetic prosthetic_arm prosthetic_limb reptile robot robotics scalie shirt simple_background smug thought_bubble tongue tongue_out topwear undertale undertale_(series) white_background wide_eyed yelling
2015 ambiguous_gender aquatic boots breasts clothed clothing comic cybernetics cyborg digital_media_(artwork) duo female fish footwear half-closed_eyes happy humanoid isabunnie looking_back machine monster_kid mtt_brand_legs narrowed_eyes open_mouth prosthetic prosthetic_arm prosthetic_limb shirt shoes simple_background teeth tongue tongue_out topwear undertale undertale_(series) undyne what what_has_science_done white_background yelling
alternate_universe blush bodily_fluids bulge cave comic digital_media_(artwork) duo english_text female hi_res human kitty_(under(her)tail) male mammal monster_kid sweat teeth text thewill tongue under(her)tail undertale undertale_(series)
3:2 ambiguous_gender armless asriel_dreemurr blush boss_monster_(undertale) bovid building caprine chara_(undertale) child clothing cloud eyes_closed flower frisk_(undertale) goat group house human lizard male mammal monster_kid pattern_clothing plant red_eyes reptile scalie sky smile street striped_clothing stripes sunset tzulinart undertale undertale_(series) young
ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr asriel_dreemurr_(god_form) barefoot beard bone boss_monster_(undertale) bovid caprine castle clothed clothing crown delta_rune_(emblem) facial_hair fangs feet female fish frisk_(undertale) ghost group headgear heart_symbol hi_res horn human humanoid lizard male mammal mature_anthro mature_female mature_male monochrome monster_kid napstablook papyrus_(undertale) photoshop_flowey plant reptile robe sans_(undertale) scalie skeleton smile spirit stellarblue symbol teeth toriel undead undertale undertale_(series) undyne vines
ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr asriel_dreemurr_(god_form) barefoot beard bone boss_monster_(undertale) bovid caprine castle clothing crown delta_rune_(emblem) facial_hair fangs feet female fish frisk_(undertale) ghost group headgear heart_symbol hi_res horn human humanoid lizard male mammal mature_anthro mature_female mature_male monster_kid napstablook papyrus_(undertale) photoshop_flowey plant reptile robe sans_(undertale) scalie skeleton smile spirit stellarblue symbol teeth toriel undead undertale undertale_(series) undyne vines
alphys ambiguous_gender android animal_humanoid animated_skeleton aquatic aquatic_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) beard black_hair bone boss_monster_(undertale) bovid caprine cave_story chara_(undertale) clothing crossover digital_media_(artwork) elemental_creature eye_patch eyewear facial_hair felid female fiefio fish fish_humanoid flora_fauna flowey_the_flower frisk_(undertale) fur goat group hair happy headshot_portrait hi_res horn human humanoid lizard long_ears machine mad_dummy male mammal mettaton mettaton_ex monster_kid muffet napstablook papyrus_(undertale) parody pixel_(artwork) plant portrait red_hair reptile robot sans_(undertale) scalie skeleton smile spider_humanoid style_emulation tem temmie_(undertale) toriel undead undertale undertale_(series) undyne white_body white_fur
alternate_universe armor becoming_erect bedroom_eyes big_butt blush bodily_fluids breasts bulge butt cave comic digital_media_(artwork) duo english_text exclamation_point female group half-closed_eyes human kitty_(under(her)tail) lol_comments male mammal monster_kid narrowed_eyes nokyel_(under(her)tail) not_furry scared seductive sweat tears teeth text thewill tongue under(her)tail undertale undertale_(series) undyne
anthro armor beard bioware burgerpants cigarette domestic_cat dragon_age electronic_arts english_text facial_hair felid feline felis gerson group headgear helmet humanoid lizard mammal min-min-minnie monster_kid reptile scalie shyren simple_background text turtle undertale undertale_(series) white_background
ambiguous_gender asriel_dreemurr barefoot bebetterbop boss_monster_(undertale) bovid caprine child clothing english_text fangs feet frisk_(undertale) fur goat group human lizard long_ears male mammal monster_kid pattern_clothing plant reptile scalie schoolyard star striped_clothing stripes teeth text tree undertale undertale_(series) white_body white_fur young
1:1 alphys ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr bedsheet_ghost blonde_hair bone boss_monster_(undertale) bovid cape caprine cave_story clothing cloud crossover digital_media_(artwork) elemental_creature eyewear fish flora_fauna flowey_the_flower forest frisk_(undertale) ghost glasses group hair hawfstuff horn human humanoid lizard machine mammal mettaton monster_kid mountain napstablook papyrus_(undertale) pixel_(artwork) plant reptile robot sans_(undertale) scalie skeleton spirit style_emulation toriel tree undead undertale undertale_(series) undyne
ambiguous_gender animated animated_gif aquatic armor castle dark_theme digital_media_(artwork) duo_focus fish frisk_(undertale) grey_theme group headgear helmet human lizard loop mammal monster_kid moonshen pixel_(artwork) pixel_animation raining reptile scalie short_playtime standing star umbrella undertale undertale_(series) undyne
3:4 :3 :< aged_up alphys animal_humanoid animated_skeleton annoying_dog_(undertale) aquatic armless barefoot blush bodily_fluids bone boss_monster_(undertale) bottomwear bovid brown_hair cake canid canine canis caprine child clothing colored_fire dessert dinosaur domestic_dog elemental_creature exclamation_point eye_patch eyewear feet female fire fire_creature fish flower flowey_the_flower food frisk_(undertale) fuku_fire fur glasses green_fire group hair happy heart_symbol hi_res human humanoid machine male mammal mettaton monster_kid napstablook papyrus_(undertale) pastry pattern_clothing pie plant prehistoric_species red_eyes reptile robe robot sans_(undertale) scalie servantofpsychotic shocked shorts skeleton skip skirt smile striped_clothing stripes tears tongue tongue_out toriel undead undertale undertale_(series) undyne white_body white_fur young
ambiguous_gender armless bag band-aid bandage barefoot burger clothing duo feet food footwear frisk_(undertale) human jacket jerome_jacinto lizard mammal monster_kid reptile sandwich_(food) satchel scalie shoes simple_background topwear undertale undertale_(series) white_background
alternate_universe armless armor big_butt bite blush bodily_fluids breasts bulge butt butt_cleavage cave comic digital_media_(artwork) ellipsis english_text exclamation_point female frisk_(undertale) frisky_(under(her)tail) group hi_res human kitty_(under(her)tail) lol_comments male mammal monster monster_kid nokyel_(under(her)tail) saliva sweat tears teeth text thewill tongue tongue_out trio under(her)tail undertale undertale_(series) undyne
ambiguous_gender anthro blue_theme building castle clothed clothing column duo frisk_(undertale) glowing hair heart_symbol hi_res human larger_human machine mammal monster_kid rock shaonav size_difference smaller_anthro stairs tower turret umbrella underground undertale undertale_(series) water
ambiguous_gender anthro armless asgore_dreemurr barefoot beard boss_monster_(undertale) bovid caprine child clothed clothing eyes_closed facial_hair father_(lore) feet flower frisk_(undertale) fur group horn human lizard long_ears male mammal mature_anthro mature_male monster_kid muya68 parent_(lore) pattern_clothing plant reptile scalie smile striped_clothing stripes undertale undertale_(series) white_body white_fur young
2016 anthro armless asriel_dreemurr band-aid bandage barefoot blush boss_monster_(undertale) bottomless bovid caprine child clothed clothing dialogue duo english_text eyes_closed fangs feet fur goat lizard long_ears male mammal missing_tooth monster_kid open_mouth pattern_clothing pawpads psibunny reptile scalie sitting smile soles speech_bubble striped_clothing stripes tail teeth text undertale undertale_(series) white_body white_fur young
5_fingers absurd_res ambiguous_gender anthro armless asriel_dreemurr bench blood blue_eyes blue_scarf bodily_fluids boss_monster_(undertale) bovid brown_hair caprine chara_(undertale) child comic dialogue door earmuffs ellipsis english_text eyes_closed eyewear fangs fence fingers frisk_(undertale) glasses goat hair hi_res horn human lagomorph leporid lizard long_ears long_image male mammal monster_kid on_bench onomatopoeia open_mouth orange_eyes orange_scarf outside punch rabbit red_eyes reptile scalie scarf school sitting sky sound_effects speech_bubble stripes sun tall_image tc-96 teeth text undertale undertale_(series) window young young_ambiguous young_anthro young_human young_male
abdominal_bulge ahegao alternate_universe anthro anthro_penetrated armless balls big_balls big_butt big_penis bite biting_lip biting_own_lip blush bodily_fluids bottomless bottomless_anthro bottomless_female bottomless_human bottomless_male bulge butt cave cervical_penetration clothed clothing comic deep_penetration defloration digital_media_(artwork) duo english_text erection eye_roll faceplant falling falling_penetration fallopian_tubes female female_anthro female_humanoid female_on_human female_penetrated female_virgin foreskin frisk_(undertale) frisky_(under(her)tail) from_behind_position fucked_silly genital_fluids genitals glans grin heart_eyes heart_symbol hi_res hot_dogging huge_butt huge_penis human human_on_anthro human_on_humanoid human_penetrating human_penetrating_anthro human_penetrating_female humanoid humanoid_genitalia humanoid_penis internal internal_vaginal interspecies kitty_(under(her)tail) looking_back looking_pleasured male male/female male_human male_penetrating male_penetrating_female mammal monster monster_kid motion_blur mounting ovaries penetration penile penile_penetration penis penis_in_vagina prodding retracted_foreskin ridiculous_fit saliva saliva_string self_bite sex simple_background slipping smile standing_doggystyle stated_virginity sweat tears teeth text thewill tongue tongue_out torogao under(her)tail undertale undertale_(series) urethra uterus vaginal vaginal_canal vaginal_fluids vaginal_penetration vein veiny_penis virgin vulva wide_hips
ambiguous_gender armless asriel_dreemurr boss_monster_(undertale) bovid caprine chara_(undertale) doublebeard eyes_closed frisk_(undertale) goat group human male mammal monster_kid open_mouth red_eyes smile undertale undertale_(series)
abdominal_bulge accessory alternate_universe armless big_butt big_penis blush bodily_fluids bottomless bow_ribbon bulge butt butt_grab cave cervical_penetration clitoris clothed clothing comic cum cum_in_uterus cum_in_vagina cum_inside digital_media_(artwork) duo english_text erection fallopian_tubes female female_on_human female_penetrated foreskin frisk_(undertale) frisky_(under(her)tail) from_behind_position from_front_position fucked_silly genital_fluids genitals glans hair_accessory hair_bow hair_ribbon hand_on_butt hands_on_hips human human_on_humanoid human_penetrating_female humanoid humanoid_genitalia humanoid_penis internal interspecies kitty_(under(her)tail) looking_pleasured lying male male/female male_penetrating male_penetrating_female mammal missionary_position monster monster_kid on_back on_front open_mouth orgasm orgasm_face ovaries penetration penile penile_penetration penis penis_in_vagina retracted_foreskin ribbons saliva sex spread_legs spreading sweat tail tears tears_of_pleasure teeth text thewill tongue tongue_out under(her)tail undertale undertale_(series) undressing uterus vaginal vaginal_canal vaginal_fluids vaginal_penetration vulva
ambiguous_gender bluekomadori clothed clothing digital_media_(artwork) duo footwear frisk_(undertale) happy human mammal monster_kid shoes simple_background smile teeth undertale undertale_(series) white_background
3_toes ambiguous_gender anthro blush bottomless clothed clothing doneru featureless_crotch feet hi_res japanese_text looking_at_viewer monster monster_kid open_mouth shirt simple_background solo teeth text toes topwear translation_request undertale undertale_(series) white_background
3_toes ambiguous_gender anthro barefoot big_head biped blush bottomless bottomwear bottomwear_around_one_leg bottomwear_down clothed clothing clothing_around_one_leg doneru featureless_crotch feet hindpaw looking_at_viewer monster monster_kid on_one_leg pants pants_around_one_leg paws shaded simple_background solo spread_legs spreading standing tail tailbutt tapering_tail teeth thick_tail toes undertale undertale_(series) wide_crotch
3_toes anthro barefoot big_head biped blush bodily_fluids bottomless bottomwear bottomwear_around_one_leg bottomwear_down breath clothed clothing clothing_around_one_leg cum cumshot doneru ejaculation erection feet genital_fluids genitals hindpaw looking_at_viewer male monster monster_kid orgasm panting pants pants_around_one_leg pattern_clothing paws penis shaded simple_background solo striped_clothing stripes tail tailbutt tapering_tail teeth thick_tail toes tongue undertale undertale_(series) white_background wide_crotch
alternate_universe armor blush breasts bulge cave comic dialogue digital_media_(artwork) english_text female frisk_(undertale) group human kissing kitty_(under(her)tail) looking_down male mammal monster monster_kid nokyel_(under(her)tail) profanity teeth text thewill tongue under(her)tail under_boob undertale undertale_(series) undyne
2017 absolutely_everyone alphys amalgamate ambiguous_gender animated_skeleton anthro aquatic arachnid arthropod asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) blue_clothing blue_sweater blue_topwear bodily_fluids bone boss_monster_(undertale) bottomwear bovid bratty_(undertale) burgerpants canid canine canis caprine catty_cattenheimer clothed clothing crying delta_rune_(emblem) dessert detailed_background digital_media_(artwork) distracting_watermark dogamy dogaressa doggo_(undertale) domestic_dog duo endogeny eyes_closed eyewear felid female feral fire fish flower flowey_the_flower food frisk_(undertale) froggit fur ghost glasses goat goo_creature grass green_clothing green_sweater green_topwear grillby group hair heart_symbol hi_res horn hug human humanoid large_group light lizard long_ears machine male mammal mettaton mettaton_ex monster_kid muffet multiple_images napstablook open_mouth pants papyrus_(undertale) pastry pattern_clothing pattern_sweater pattern_topwear petals pie pillar plant reptile robot sans_(undertale) scalie shirt skeleton smile snow spider spirit striped_clothing striped_sweater striped_topwear stripes sunlight sweater symbol tears tem temmie_(undertale) topwear toriel tree undead undertale undertale_(series) undyne walkingmelonsaaa water watermark white_body white_fur young
2017 absurd_res anthro anus armless bent_over big_butt blush breasts butt clothed clothing conditional_dnp digital_media_(artwork) drako1997 dress female genitals hi_res kitty_(under(her)tail) lizard looking_at_viewer looking_through looking_through_legs monster monster_kid navel non-mammal_breasts open_mouth perspective reptile scalie simple_background small_breasts smile solo tongue torn_clothing undertale undertale_(series) vulva wardrobe_malfunction yellow_body yellow_skin
absurd_res animated_skeleton april_fools'_day asriel_dreemurr bone boss_monster_(undertale) bovid caprine child clothing comic dialogue english_text fresh!sans_(underfresh) frisk_(undertale) goat hat headgear headwear hi_res holidays human humanoid lizard mammal monster_kid outside reptile sans_(undertale) scalie scarf skeleton snow stripes tc-96 text undead undertale undertale_(series) why young
2016 anthro asriel_dreemurr blush boss_monster_(undertale) bovid caprine child clothed clothing dialogue duo english_text fangs fur goat long_ears male mammal monster_kid open_mouth psibunny red_eyes scalie smile stripes teeth text undertale undertale_(series) white_body white_fur young
2016 animated_skeleton bone c-puff clothed clothing comic english_text hi_res humanoid male monster_kid not_furry papyrus_(undertale) sans_(undertale) skeleton speech_bubble text undead undertale undertale_(series)
asriel_dreemurr bedding blanket boss_monster_(undertale) bovid caprine chara_(undertale) eyes_closed frisk_(undertale) fur goat group human lightrises lizard long_ears mammal monster_kid reptile ribbons scalie sleeping undertale undertale_(series) white_body white_fur
2017 absolutedream ambiguous_gender animated animated_gif animated_skeleton bone duo frisk_(undertale) gaster hair human humanoid male mammal monster_kid papyrus_(undertale) sans_(undertale) short_playtime skeleton undead undertale undertale_(series)
2017 absolutedream alphys animated animated_gif animated_skeleton anthro aquatic armless bell_necklace blush bone canon_couple clothing dialogue digital_media_(artwork) eating english_text eye_patch eyewear female female/female fish food glasses group hair humanoid kissing lizard male monster_kid papyrus_(undertale) reptile running sans_(undertale) scalie short_playtime skeleton speech_bubble text undead undertale undertale_(series) undyne
2016 anthro asriel_dreemurr blush boss_monster_(undertale) bovid caprine child clothed clothing dialogue duo english_text fangs frown fur goat jealous long_ears male mammal missing_tooth monster_kid open_mouth psibunny red_eyes reptile scalie scowl smile stripes teeth text undertale undertale_(series) white_body white_fur young
anthro armless asgore_dreemurr asriel_dreemurr blonde_hair boss_monster_(undertale) bovid caprine clothing comic dialogue english_text goat hair hi_res horn male mammal mature_anthro mature_male monster_kid muskie pattern_clothing striped_clothing stripes t0l0k text undertale undertale_(series)
anal anal_penetration anthro armpit_hair asriel_dreemurr balls blush bodily_fluids body_hair boss_monster_(undertale) bovid caprine clothing comic cum dialogue duo english_text erection flaccid genital_fluids genitals goat hi_res male male/male male_penetrated male_penetrating male_penetrating_male mammal monster_kid multiple_scenes muskie pattern_clothing penetration penis pubes sex striped_clothing stripes t0l0k text undertale undertale_(series) white_balls white_penis
animal_genitalia armless asriel_dreemurr bed blush bodily_fluids boss_monster_(undertale) bovid caprine clothing comic dialogue duo english_text erection furniture genitals goat hi_res lizard male male/male mammal monster_kid multiple_scenes muskie pattern_clothing penis reptile scalie sitting striped_clothing stripes sweat t0l0k text undertale undertale_(series)
animal_genitalia anthro armless armpit_hair asgore_dreemurr asriel_dreemurr beard big_ears blonde_hair blush bodily_fluids body_hair boss_monster_(undertale) bovid caprine clothed clothing clothing_lift comic dialogue english_text erection facial_hair genitals goat group hair hi_res horn knot long_ears male male/male mammal mature_anthro mature_male mohawk monster_kid multiple_scenes muskie mustache nipples pattern_clothing penis shirt shirt_lift smile striped_clothing stripes sweat t0l0k tapering_penis text topwear undertale undertale_(series) undressing
anal anal_penetration animal_genitalia anthro armless asriel_dreemurr backsack balls balls_deep blush bodily_fluids boss_monster_(undertale) bovid caprine comic dialogue duo english_text erection eyes_closed from_front_position fur genitals goat hi_res kissing knot lying male male/male male_penetrated male_penetrating male_penetrating_male mammal missionary_position monster_kid multiple_scenes muskie nude on_back orange_body orange_scales penetration penis perineum pubes romantic scales sex simple_background sweat t0l0k text undertale undertale_(series) white_body white_fur
anal anal_orgasm anal_penetration animal_genitalia anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro armless armpit_hair asriel_dreemurr balls bodily_fluids body_hair boss_monster_(undertale) bovid caprine comic cum cum_in_ass cum_inside cum_while_penetrated cumshot dialogue duo ejaculation english_text erection eyes_closed foreskin genital_fluids genitals goat hands-free hi_res humanoid_genitalia humanoid_penis knot looking_pleasured male male/male male_penetrated male_penetrating male_penetrating_male mammal monster_kid multiple_scenes muskie nude orgasm orgasm_face penetration penile penile_penetration penis penis_in_ass pubes sex simultaneous_orgasms spread_legs spreading sweat t0l0k text undertale undertale_(series)
anal anal_penetration anthro armpit_hair asgore_dreemurr asriel_dreemurr beard blonde_hair bodily_fluids body_hair boss_monster_(undertale) bovid caprine comic dialogue english_text erection facial_hair father_(lore) father_and_child_(lore) father_and_son_(lore) genitals goat group hair hi_res horn humanoid_genitalia humanoid_penis i_love_you incest_(lore) long_ears male male/male male_penetrated male_penetrating mammal mature_anthro mature_male monster_kid multiple_scenes muskie mustache nude parent_(lore) parent_and_child_(lore) parent_and_son_(lore) penetration penis profanity son_(lore) sweat t0l0k text undertale undertale_(series)
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