2015 alphys alternate_universe ambiguous_gender anthro dialogue doctor_alphys_(underfell) duo english_text eyewear frisk_(undertale) glasses human humunanunga lizard mammal protagonist_(underfell) reptile scalie simple_background text underfell undertale undertale_(series)
2015 alternate_universe ambiguous_gender anthro asriel_dreemurr_(god_form) band-aid bandage black_sclera boss_monster_(undertale) bovid caprine carrying_another clothed clothing cradling deity digital_media_(artwork) duo feathered_wings feathers frisk_(undertale) fur green_background hair hi_res horn human male mammal simple_background smile spread_wings threebeans_(artist) underfell undertale undertale_(series) white_body white_fur wings
alternate_universe anthro boss_monster_(undertale) bovid breasts caprine chair cleavage clothed clothing crown eyelashes female fire footwear frown fur furniture headgear hi_res high_heels horn laureldraws long_ears mammal mature_anthro mature_female queen red_eyes royalty shoes sitting solo swapfell throne toriel toriel_(underfell) underfell underswap undertale undertale_(series) white_body white_fur yellow_sclera
2015 alternate_universe ambiguous_gender anthro brown_hair clothed clothing dangling digital_media_(artwork) elemental_creature eye_patch eyewear female flora_fauna flowey_the_flower frisk_(undertale) group hair human kkhoppang mammal plant ponytail red_hair scar sharp_teeth signature size_difference teeth underfell undertale undertale_(series) undyne_(underfell)
1:1 2015 alternate_universe animated_skeleton bone clothed clothed_male clothing colored digital_drawing_(artwork) digital_media_(artwork) duo english_text foxtragic fully_clothed fully_clothed_male glowing glowing_eyes light lighting male not_furry papyrus_(underfell) sans_(undertale) shaded shocked skeleton surprised text undead underfell undertale undertale_(series) violence white_body
alphys_(underfell) alternate_universe anthro duo eye_patch eyewear female female/female glasses hi_res kkhoppang lizard looking_at_viewer red_eyes reptile scalie underfell undertale undertale_(series) undyne_(underfell)
alternate_universe asgore_dreemurr beard boss_monster_(undertale) bovid caprine english_text facial_hair horn male mammal solo text underfell undertale undertale_(series) unknown_artist
alternate_universe android boots clothing drag_(fashion) electronics footwear glistening gloves group handwear hi_res high_heeled_boots high_heels humanoid machine male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) microphone not_furry omnia-volo robot shoes square_crossover underfell undertale undertale_(series)
absurd_res alternate_universe animal_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid black_hair blood bodily_fluids clothing english_text footwear grey_background hair hi_res high_heels humanoid hydrapawnch muffet multi_eye multi_limb pigtails shoes simple_background solo spider spider_humanoid text underfell undertale undertale_(series) url
alternate_universe animal_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid black_hair blush fangs female hair hi_res humanoid hydrapawnch laugh muffet multi_eye pigtails solo spider spider_humanoid teeth underfell undertale undertale_(series) yellow_eyes
alpha_channel alphys_(underfell) alternate_universe anthro eyewear female glasses lizard reptile scalie solo underfell undertale undertale_(series) wingedtank
2015 5:6 alternate_universe ambiguous_gender black_background bodily_fluids boots clothing crying digital_media_(artwork) duo elemental_creature flora_fauna flower flowey_the_flower flowey_the_flower_(underfell) footwear frisk_(undertale) hair heart_symbol human love mammal monochrome not_furry plant protagonist_(underfell) sad shinicar shoes simple_background standing tears underfell undertale undertale_(series)
1:1 alternate_universe android clothing gloves handwear heart_symbol humanoid machine male mettaton_(underfell) mettaton_ex_(underfell) moa810 not_furry red_eyes robot robot_humanoid sharp_teeth solo teeth underfell undertale undertale_(series) yellow_sclera
3:1 absurd_res alternate_universe animated_skeleton bone boots chain clothed clothing echotale fan_character footwear gold_(metal) gold_tooth group hi_res hoodie jacket littletale male not_furry outertale sans_(echotale) sans_(littletale) sans_(outertale) sans_(underfell) sans_(underswap) sans_(undertale) shirt shoes simple_background skeleton slippers thescarred_(artist) topwear undead underfell underswap undertale undertale_(series)
2015 3:2 alternate_universe angry animated_skeleton bone cape cigarette clothed clothing digital_media_(artwork) english_text fan_character fantasytale food gloves handwear heart_symbol hoodie littletale male not_furry outertale papyrus_(fantasytale) papyrus_(font) papyrus_(outertale) papyrus_(underfell) papyrus_(underswap) papyrus_(undertale) pasta sans_(littletale) scarf skeleton smile spaghetti text toono_(artist) topwear undead underfell underswap undertale undertale_(series)
2015 alternate_universe animated animated_gif anthro boss_monster_(undertale) bovid caprine clothed clothing detailed_background dress fallen-mariel female fire fur glowing horn mammal open_mouth outertale reapertale short_playtime smile toriel toriel_(outertale) toriel_(underfell) undereffect underfell undertale undertale_(series) white_body white_fur
2015 alternate_universe angry animated_skeleton bone boots clothing duo english_text fan_character footwear gloves handwear hoodie ice male not_furry paint paint_can papyrus_(underfell) rachel_yew_(artist) red_clothing red_gloves red_handwear sans_(underfell) shoes skeleton smile text topwear undead underfell undertale undertale_(series)
accessory alternate_universe animated_skeleton blue_eyes bone cigarette clothed clothing coffee_mug container cracked_skull cross-popping_vein cup echotale english_text eyewear glasses gloves gold_(metal) gold_tooth handwear holding_container holding_cup holding_object hoodie humanoid jacket male multiple_images necktie not_furry outertale red_eyes sans_(echotale) sans_(outertale) sans_(underfell) sans_(underswap) sans_(undertale) scarf science_sans sharp_teeth simple_background skeleton smile smoke smoking solo sparkles teeth text time_skip time_travel time_traveler toono_(artist) topwear undead underfell underswap undertale undertale_(series) vein white_background yellow_eyes
alternate_universe animated_skeleton animextremex annoyed blue_eyes bone duo english_text happy hug not_furry red_eyes sans_(underfell) sans_(underswap) skeleton text undead underfell underswap undertale undertale_(series)
alternate_universe animated_skeleton bodily_fluids bone clothing cum cum_on_face digital_media_(artwork) eye_mist front_view genital_fluids half-length_portrait hi_res hoodie leaning male not_furry orgasm portrait sans_(underfell) skeleton solo topwear undead underfell undertale undertale_(series)
alternate_universe animated_skeleton bone clothing gloves handwear hi_res humanoid kiatokid male not_furry papyrus_(underfell) scarf sharp_teeth skeleton solo teeth text undead underfell undertale undertale_(series)
2016 alternate_universe black_hair blush digital_media_(artwork) erection gaiki genitals glowing glowing_eyes group hair heart_symbol hi_res humanoid humanoid_genitalia humanoid_penis machine male male/male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) mettaton_neo nipples not_furry nude open_mouth penis robot selfcest sex simple_background smile square_crossover teeth tongue tongue_out underfell undertale undertale_(series)
alternate_universe android animated_skeleton blush bone clothing digital_media_(artwork) duo erection fangs genitals hair hotlegmeme humanoid machine male male/male metallic_body mettaton_(underfell) mettaton_ex_(underfell) multi_arm multi_limb not_furry open_mouth papyrus_(underfell) penis robot simple_background skeleton smile teeth tongue tongue_out undead underfell undertale undertale_(series) white_background
alternate_universe anal anal_penetration android animated_skeleton blush bone clothed clothing digital_media_(artwork) duo genitals hair heart_symbol hotlegmeme humanoid machine male male/male male_penetrated male_penetrating male_penetrating_male mettaton_(underfell) mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry open_mouth papyrus_(underfell) penetration penis robot sex simple_background skeleton teeth undead underfell undertale undertale_(series) white_background
alphys alphys_(underfell) alternate_universe animal_humanoid anthro aquatic aquatic_humanoid bite blood blush bodily_fluids breasts clawing clothing digital_media_(artwork) eye_patch eyewear female female/female fish fish_humanoid genital_fluids genitals glasses group hair humanoid humanoid_on_anthro lizard nipples open_mouth red_hair reptile scalie sex slightly_chubby smile teeth text thebigmonstersucc tongue tongue_out underfell undertale undertale_(series) underwear undyne_(underfell) vaginal_fluids vulva
1:1 2016 alternate_universe ambiguous_gender android clothed clothing digital_media_(artwork) duo gaiki hair half-closed_eyes humanoid looking_at_viewer low_res machine mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) narrowed_eyes not_furry open_mouth robot smile teeth tongue tongue_out underfell undertale undertale_(series)
2016 alternate_universe andromorph andromorph/male crossgender digital_media_(artwork) duo femboy gaiki genitals glowing glowing_eyes hair half-closed_eyes humanoid intersex intersex/male long_hair machine male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) mta_crossgender mti_crossgender multi_arm multi_eye multi_limb narrowed_eyes not_furry open_mouth robot selfcest sex smile square_crossover tongue tongue_out underfell undertale undertale_(series) vaginal vulva
alternate_universe clothed clothing digital_media_(artwork) drag_(fashion) drag_king duo fan_character femboy hair humanoid korean_text machine makeup male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry robot selfcest simple_background square_crossover teeth text translated underfell undertale undertale_(series) unknown_artist
alternate_universe ambiguous_gender boots border clothed clothing digital_media_(artwork) fan_character footwear group heart_symbol high_heeled_boots high_heels humanoid machine mettaton mettaton_ex mettaton_neo not_furry robot shoes simple_background slim underfell undertale undertale_(series) unknown_artist white_border
alternate_universe android chibimu clothed clothing digital_media_(artwork) fan_character glistening hair humanoid looking_at_viewer machine male mettaton_(underfell) mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry robot robot_humanoid simple_background smile solo underfell undertale undertale_(series) white_background
1:1 alternate_universe android bodily_fluids clothed clothing crying digital_media_(artwork) dismemberment fan_character glistening hair humanoid long_hair looking_at_viewer machine male mettaton_(underfell) mettaton_ex_(underfell) not_furry open_mouth robot robot_dismemberment robot_humanoid simple_background solo tears underfell undertale undertale_(series) unknown_artist
2016 4_edge_5_me absurd_res alternate_universe clothed clothing digital_media_(artwork) edge_lord english_text fan_character femboy gaiki hair hi_res humanoid humor long_hair machine male maximum_edge mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) mettaton_neo not_furry open_mouth robot sharp_teeth simple_background teeth text tongue underfell undertale undertale_(series) white_background
2016 alternate_universe anthro boss_monster_(undertale) bovid caprine clothed clothing english_text fan_character female fire fur grin mammal mature_anthro mature_female skellymor smile solo teeth text toriel toriel_(underfell) underfell undertale undertale_(series) white_body white_fur
alternate_universe ambiguous_gender anon belly_grab blush clothed clothing digital_media_(artwork) duo erection femboy genitals glistening hair human humanoid licking long_hair machine male mammal mettaton_(underfell) mettaton_ex_(underfell) not_furry open_mouth penis robot sharp_teeth simple_background smile teeth tongue tongue_out underfell undertale undertale_(series)
2016 4:3 alternate_universe android blush clothed clothing digital_media_(artwork) fan_character femboy gaiki hair humanoid long_hair machine male mettaton_(underfell) mettaton_ex_(underfell) not_furry open_mouth robot robot_humanoid simple_background solo underfell undertale undertale_(series)
alternate_universe android clothed clothing detailed digital_media_(artwork) fan_character femboy glowing glowing_eyes hair hands_on_hips hi_res humanoid long_hair looking_at_viewer machine male mettaton_(underfell) mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry robot robot_humanoid sharp_teeth simple_background solo teeth underfell undertale undertale_(series) unknown_artist
1:1 alternate_universe blush chainsaw clothed clothing digital_media_(artwork) fan_character glistening hair hi_res humanoid long_hair machine male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry open_mouth power_tool robot sharp_teeth simple_background teeth tools underfell undertale undertale_(series) unknown_artist
alternate_universe clothed clothing crossdressing detailed digital_media_(artwork) duo fan_character femboy hair humanoid long_hair looking_at_viewer machine male male/male mettaton mettaton_ex mettaton_ex_(underfell) multi_eye not_furry robot simple_background tongue tongue_out underfell undertale undertale_(series) unknown_artist
2016 alphys_(underfell) alternate_universe animated_skeleton anthro bone clothing duo eyewear female gaster_(underfell) geeflakes glasses heart_symbol male nose_to_nose reptile scalie skeleton undead underfell undertale undertale_(series)
alternate_universe animated_skeleton bone fan_character group hi_res male papyrus_(underfell) papyrus_(underswap) papyrus_(undertale) razinoats skeleton tentacles trio undead underfell underswap undertale undertale_(series)
alternate_universe animated_skeleton bdsm bondage bone bound dominant dominant_male duo hi_res incest_(lore) male male/male not_furry papyrus_(underfell) razinoats sans_(underfell) skeleton submissive submissive_male undead underfell underswap undertale undertale_(series)
alternate_universe bodily_fluids clothed clothing digital_media_(artwork) duo fan_character femboy hair hi_res humanoid long_hair machine male male/male mettaton mettaton_(underfell) mettaton_ex mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry open_mouth robot sharp_teeth simple_background square_crossover tears teeth underfell undertale undertale_(series) unknown_artist
alternate_universe animated_skeleton belt black_sclera bone clothing fan_character korhiper not_furry papyrus_(underfell) red_eyes scar scarf sharp_teeth skeleton snow solo teeth undead underfell undertale undertale_(series)
accessory alternate_universe ambiguous_gender bioluminescence clothing coat elemental_creature fan_character fire fire_creature glowing grillby_(underfell) grin hands_together humanoid korhiper looking_at_viewer necktie pupils smile solo suit topwear underfell undertale undertale_(series) white_eyes white_pupils
5:6 absurd_res alkipunch alternate_universe ambiguous_gender animal_humanoid animated_skeleton arachnid arachnid_humanoid arthropod arthropod_humanoid bone erection fellatio genitals group group_sex hi_res humanoid male male/ambiguous muffet oral penile penis sans_(underfell) sex simple_background skeleton spider spider_humanoid threesome trio undead underfell undertale undertale_(series)
16:9 alternate_universe animated animated_gif animated_skeleton anterior_nasal_aperture bone clothed clothing epilepsy_warning errortale gaster_blaster glitch hoodie humanoid jacket kana_the_drifter not_furry sans_(errortale) sans_(underfell) sans_(underswap) sans_(undertale) scarf short_playtime skeleton skull solo string topwear undead underfell underswap undertale undertale_(series) weapon widescreen
2016 5:4 alternate_universe animated_skeleton bone duo foxvulpine male not_furry papyrus_(underfell) sans_(underfell) skeleton undead underfell undertale undertale_(series)
2016 5:4 alphys_(underfell) alternate_universe anthro aquatic duo female fish foxvulpine lizard reptile scalie underfell undertale undertale_(series) undyne_(underfell)
2016 5:4 alternate_universe animated_skeleton belt bone boots bottomwear brown_hair clothed clothing duo_focus flowey_the_flower footwear forest foxvulpine fully_clothed gloves group hair hand_in_pocket hands_in_both_pockets handwear human jacket male mammal not_furry outside pants papyrus_(underfell) plant pockets protagonist_(underfell) sans_(underfell) sharp_teeth shirt shoes short_hair shorts shrub side_view size_difference skeleton smile snow teeth topwear tree undead underfell undertale undertale_(series) walking
alternate_universe animated_skeleton bone brother_(lore) brothers_(lore) comic dialogue english_text male monster not_furry oolay-tiger papyrus_(undertale) sans_(undertale) sibling_(lore) skeleton text undead underfell undertale undertale_(series) worried
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