1:1 2016 anal anal_penetration andromorph andromorph/male anthro anthro_penetrating anthro_penetrating_humanoid asgore_dreemurr balls beard blonde_hair blush bodily_fluids boss_monster_(undertale) bovid butt caprine clothing cum digital_media_(artwork) dongoverlord duo erection facial_hair femboy fur genital_fluids genitals glistening hair hi_res horn humanoid humanoid_on_anthro humanoid_penetrated intersex intersex/male long_ears machine male male_penetrating mammal mettaton mettaton_ex muscular open_mouth orgasm penetration penile penile_penetration penis robot sex soulplay undertale undertale_(series) vaginal vaginal_penetration vulva white_body white_fur
alphys animated_skeleton anthro aquatic bone clothed clothing dialogue digital_media_(artwork) duo english_text eye_patch eyewear female fish food fruit glasses glistening grand_piano grape hair keyboard_instrument lizard long_hair machine male mettaton mettaton_ex musical_instrument open_mouth papyrus_(undertale) piano plant red_hair reptile robot scalie simple_background skeleton smile text trash_can undead undertale undertale_(series) undyne unknown_artist
accessory ambiguous_gender android animal_humanoid animated animated_gif animated_skeleton aquatic aquatic_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid bone boss_monster_(undertale) bovid bow_(feature) bow_accessory bow_ribbon caprine chara_(undertale) clothed clothing duo female fish fish_humanoid frisk_(undertale) fur glowing glowing_eyes hair_accessory hair_bow hair_ribbon human humanoid low_res machine male mammal mettaton mettaton_ex muffet multiple_images papyrus_(undertale) ribbons robot sans_(undertale) scarf short_playtime simple_background skeleton smile spider_humanoid toriel twin_bows twin_hair_bows undead undertale undertale_(series) undyne unoobang white_body white_fur
accessory ambiguous_gender android animal_humanoid animated_skeleton anthro aquatic aquatic_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid bone boss_monster_(undertale) bovid bow_(feature) bow_accessory bow_ribbon caprine chara_(undertale) clothed clothing duo female fish fish_humanoid frisk_(undertale) fur glowing glowing_eyes hair_accessory hair_bow hair_ribbon human humanoid machine male mammal mettaton mettaton_ex muffet multiple_images papyrus_(undertale) ribbons robot sans_(undertale) scarf skeleton smile spider_humanoid toriel twin_bows twin_hair_bows undead undertale undertale_(series) undyne unoobang white_body white_fur
2016 bottomwear clothing crossgender dialogue english_text female geeflakes glistening heart_eyes heart_symbol hi_res lips machine male_(lore) mettaton mettaton_ex mtf_crossgender not_furry robot skirt solo text undertale undertale_(series) undressing y2k_(fashion)
animated_skeleton anthro aquatic asgore_dreemurr beard blood bodily_fluids bone boss_monster_(undertale) bovid caprine chara_(undertale) clothed clothing dinosaur facial_hair female fish flowey_the_flower frisk_(undertale) horn human machine male mammal mettaton mettaton_ex papyrus_(undertale) prehistoric_species reptile robot sans_(undertale) scalie simple_background skeleton sketch toriel traditional_media_(artwork) undead undertale undertale_(series) undyne unusualsombrero
ambiguous_gender animated_skeleton anthro blush bone burgerpants clothed clothing dialogue digital_media_(artwork) domestic_cat duo english_text felid feline felis femboy glistening hair hi_res humanoid machine male male/male mammal mettaton mettaton_ex napstablook open_mouth papyrus_(undertale) robot sans_(undertale) skeleton smile text undead 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
anthro burgerpants clothed clothing dialogue digital_media_(artwork) domestic_cat drugs duo english_text felid feline felis femboy fur glistening hair hat headgear headwear humanoid long_hair machine male mammal marijuana mettaton mettaton_ex open_mouth robot simple_background smile smoking text undertale undertale_(series) unknown_artist
2016 bulge butt butt_shot clothed clothing digital_media_(artwork) gaiki glistening humanoid latex machine male mettaton mettaton_ex not_furry rear_view robot simple_background solo undertale undertale_(series)
blush clothed clothing digital_media_(artwork) duo femboy genitals hair heart_symbol hotlegmeme humanoid machine male male/male masturbation mettaton mettaton_ex mettaton_neo monochrome not_furry penile penile_masturbation penis robot selfcest sex simple_background smile square_crossover undertale undertale_(series)
alpha_channel alphys alternate_color ambiguous_gender animal_humanoid animated_skeleton aquatic aquatic_humanoid armor arxielle asgore_dreemurr asriel_dreemurr beard bone boss_monster_(undertale) bovid cape caprine chara_(undertale) clothed clothing cputale crown cybernetics cyborg digital_media_(artwork) electronics elemental_creature facial_hair female fish fish_humanoid flora_fauna flower flowey_the_flower frisk_(undertale) fur ghost gloves goat group hair handwear headgear headphones hoodie horn human humanoid low_res machine male mammal markings melee_weapon mettaton mettaton_ex microphone napstablook papyrus_(undertale) pixel_(artwork) plant polearm red_hair reptile robot sans_(undertale) scalie scarf simple_background skeleton skull smile spear spirit topwear toriel transparent_background undead undertale undertale_(series) undyne weapon white_body white_fur
4:5 alternate_universe ambiguous_gender clothed clothing digital_media_(artwork) duo femboy ghost hair humanoid legwear looking_at_viewer machine male mettaton_(outertale) mettaton_ex_(outertale) napstablook_(outertale) not_furry outertale robot simple_background smile space spirit star tongue undertale undertale_(series) unknown_artist
black_and_white blush bone butt clothing dress duo femboy hair heart_symbol hotlegmeme machine male male/male mettaton mettaton_ex monochrome not_furry papyrus_(undertale) sex simple_background skeleton undead undertale undertale_(series) white_background
abs black_and_white bodily_fluids cum erection femboy genital_fluids genitals glistening hair hair_over_eye hi_res hotlegmeme humanoid kneeling male mettaton mettaton_ex monochrome muscular muscular_femboy muscular_humanoid muscular_male not_furry one_eye_obstructed penis penis_poking_out simple_background solo undertale undertale_(series) white_background
1:2 2015 alphys ambiguous_gender armless before_and_after blue_body blue_skin bodily_fluids boots breasts clothed clothing comic crying cybernetics cyborg digital_media_(artwork) eyewear female footwear glasses group happy hi_res human humor isabunnie machine mammal mettaton mettaton_ex mirror monster monster_kid mtt_brand_legs open_mouth prosthetic prosthetic_arm prosthetic_limb robotics sad scalie shoes simple_background tears teeth thought_bubble tongue tongue_out undertale undertale_(series) undyne what_has_science_done white_background wide_eyed yelling
clothing digital_media_(artwork) footwear gloves hair handwear high_heels machine male mettaton mettaton_ex not_furry pink_hair riifucat robot shoes solo undersail undertale undertale_(series)
2016 absurd_res anal anal_penetration animated_skeleton bone caught_in_the_act comic dialogue duo english_text erection genitals handjob hi_res humor kissing long_image machine male male/male male_penetrated male_penetrating male_penetrating_male mettaton mettaton_ex monochrome nsf-sl4ughtermelon papyrus_(undertale) penetration penile penis robot sex skeleton speech_bubble tall_image text undead undertale undertale_(series)
2016 anal anal_penetration animated_skeleton blush bone dialogue digital_media_(artwork) duo english_text heart_symbol machine male male/male male_penetrated male_penetrating male_penetrating_male mettaton mettaton_ex not_furry nsf-sl4ughtermelon papyrus_(undertale) penetration robot sex skeleton text undead undertale undertale_(series)
absurd_res ambiguous_gender animated_skeleton annoying_dog_(undertale) aquatic armor blossyay bone canid canine clothed clothing comic dialogue english_text fish flower flowey_the_flower frisk_(undertale) hi_res hoodie human humor long_image looking_back machine mammal mettaton mettaton_ex monochrome plant pose robot sans_(undertale) simple_background skeleton sparkles tall_image text topwear undead undertale undertale_(series) undyne white_background
android bra cat_ear_panties cat_keyhole_bra cat_lingerie cleavage_cutout clothed clothing crossdressing cutout dakimakura dakimakura_design femboy frilly frilly_bra frilly_clothing frilly_underwear hair hair_over_eye hi_res humanoid keyhole_bra keyhole_clothing keyhole_underwear lingerie lying machine male metallic_body mettaton mettaton_ex not_furry on_back one_eye_obstructed panties robot side-tie_panties simple_background solo training_bra undertale undertale_(series) underwear underwear_only vigilserus white_background white_bra white_clothing white_panties white_underwear
2016 ambiguous_gender brown_hair chara_(undertale) comic dialogue english_text ghost hair hi_res human machine male mammal mettaton mettaton_ex napstablook robot shoepants spirit text undertale undertale_(series) yogurtyard_(artist)
alphys android anthro anthro_penetrated anus black_background blush bodily_fluids boots clothed clothing cum cum_in_vagina cum_inside duo english_text erection eyes_closed female female_on_humanoid female_penetrated filthygum footwear genital_fluids genitals glistening happy happy_sex hi_res humanoid humanoid_on_anthro humanoid_penetrating humanoid_penetrating_anthro interspecies legwear lizard machine male male/female male_on_anthro male_penetrating male_penetrating_female metal_penis mettaton mettaton_ex nude open_mouth penetration penile penile_penetration penis penis_in_vagina reptile robot scalie sex shoes simple_background smile tears teeth text tongue tongue_out undertale undertale_(series) vaginal vaginal_penetration yellow_body yellow_skin
android areola big_breasts breasts colored_nails crossgender english_text erect_nipples female furanh glistening gradient_background hi_res humanoid kneeling machine mettaton mettaton_ex nails nipples not_furry robot simple_background solo text undertale undertale_(series) url
android areola big_breasts big_penis breasts crossgender duo erect_nipples erection female foreskin frisk_(undertale) furanh genitals glistening heart_eyes heart_symbol hi_res human human_on_humanoid humanoid interspecies looking_at_genitalia looking_at_penis machine male mammal mettaton mettaton_ex nipples not_furry penis robot solo_focus text undertale undertale_(series) url
android areola big_breasts big_penis breast_play breasts crossgender duo erect_nipples erection fellatio female foreskin frisk_(undertale) furanh genitals glistening heart_symbol hi_res human human_on_humanoid humanoid interspecies machine male mammal mettaton mettaton_ex nipples not_furry oral penile penis robot sex solo_focus speech_bubble titfuck undertale undertale_(series)
absurd_res alphys anthro aquatic big_butt blush butt comic english_text female fish ghost happstablook hi_res hotlegmeme lizard long_image machine male mettaton mettaton_ex monochrome reptile robot scalie spirit tall_image text undertale undertale_(series) undyne wide_hips
1:1 :o android bust_portrait cubewatermelon gradient_background hair hair_over_eye humanoid icon low_res machine male mettaton mettaton_ex not_furry one_eye_obstructed open_mouth portrait robot robot_humanoid simple_background solo surprised undertale undertale_(series)
1:1 android bust_portrait cubewatermelon gradient_background hair hair_over_eye half-closed_eyes humanoid icon low_res machine mettaton mettaton_ex narrowed_eyes not_furry one_eye_obstructed portrait robot robot_humanoid simple_background smile smug solo undertale undertale_(series)
aaron_(undertale) absolutely_everyone aircraft airplane alphys amalgamate ambiguous_gender amphibian animated_skeleton annoying_dog_(undertale) anthro aquatic arachnid armless arthropod asgore_dreemurr asriel_dreemurr avian bear beard bird black_background blonde_hair bone boss_monster_(undertale) bovid box bunbun_npc_(undertale) burgerpants butterfly canid canine canis cape caprine cephalopod character_collage chilldrake clothed clothing coleoid container demon dinosaur dogamy dogaressa doggo_(undertale) domestic_cat domestic_dog domestic_pet dummy_(undertale) elemental_creature endogeny english_text facial_hair faun_(undertale) felid feline felis female fire fire_creature fish flora_fauna flower food footwear frisk_(undertale) frog froggit fuku_fire fully_clothed fungi_fauna fungus fur furries_with_pets gaster gastropod gift_box goat greater_dog grillby group gyftrot hair hat headgear headwear heart_symbol heats_flamesman hi_res holding_object holding_plate horn human humanoid ice_cap ice_wolf_(undertale) insect lagomorph large_group lemon_bread lepidopteran leporid lesser_dog lion loox mad_dummy male mammal mettaton mettaton_ex moldsmal mollusk monster_kid mouse muffet murid murine mushroom napstablook nicecream_man octopodiform onionsan pantherine papyrus_(undertale) plant plate ponytail prehistoric_species pyrope rabbit ragel_(undertale) reptile rg01_(undertale) rg02_(undertale) river_person_(undertale) rodent sans_(undertale) scalie seahorse shyren simple_background skateboard_girl skeleton slug snail snowdrake snowman spider syngnathid syngnathiform tem temmie_(undertale) text thundersnail_(undertale) toriel tsunderplane undead undertale undertale_(series) undyne unknown_artist unknown_species vegetable vegetoid vehicle vulkin white_body white_fur wolf woshua
1:1 2016 anthro asgore_dreemurr beard black_hair black_sclera blonde_hair blush boss_monster_(undertale) bovid camera_view canon_couple caprine clothed clothing facial_hair female fur group hair hi_res horn kissing long_ears machine male mammal mature_anthro mature_female mature_male mettaton mettaton_ex mustache photobomb recording red_eyes robot satouiro toriel undertale undertale_(series) white_body white_fur
2016 anal balls bodily_fluids butt clothed clothing crying digital_media_(artwork) drooling english_text femboy genitals hair hi_res humanoid looking_at_viewer machine male mettaton mettaton_ex monochrome not_furry open_mouth penetration penis robot saliva simple_background solo tears text torn_clothing undertale undertale_(series) unknown_artist
2016 black_bra black_clothing black_panties black_underwear bra cat_ear_panties cat_keyhole_bra cat_lingerie catpins cleavage_cutout clothed clothing collar crossdressing cutout digital_media_(artwork) domestic_cat felid feline felis femboy frilly frilly_bra frilly_clothing frilly_underwear hair hair_over_eye heart_symbol hi_res humanoid keyhole_bra keyhole_clothing keyhole_underwear leash legwear lingerie machine male mammal mettaton mettaton_ex not_furry one_eye_obstructed open_mouth panties robot side-tie_panties simple_background smile solo source_request thigh_highs training_bra undertale undertale_(series) underwear
clothed clothing digital_media_(artwork) erection genitals glistening hi_res humanoid looking_at_viewer machine male mettaton mettaton_ex not_furry penis robot smile solo tentacles undertale undertale_(series) unknown_artist
2016 ambiguous_gender bodily_fluids clothed clothing cum digital_media_(artwork) femboy genital_fluids genitals glistening hair hair_over_eye heart_symbol humanoid machine male mettaton mettaton_ex not_furry one_eye_obstructed open_mouth penis robot simple_background smile solo tongue undertale undertale_(series)
2016 alternate_universe balls blush digital_media_(artwork) duo english_text erection fan_character femboy gaiki genitals hair heart_symbol hi_res humanoid machine male male/male mettaton mettaton_(underfell) mettaton_ex_(underfell) mettaton_neo multi_arm multi_eye multi_genitalia multi_limb multi_penis not_furry penis robot selfcest sex sharp_teeth simple_background smile square_crossover teeth text underfell undertale undertale_(series) white_background
2016 alpha_channel alternate_universe digital_media_(artwork) fan_character femboy gaiki hair heart_symbol humanoid machine male mettaton_(underfell) mettaton_ex_(underfell) multi_arm multi_eye multi_limb not_furry robot sharp_teeth solo teeth underfell undertale undertale_(series)
2016 digital_media_(artwork) drag_(fashion) duo femboy glistening hair hi_res humanoid machine male male/male mettaton mettaton_ex mettaton_neo not_furry robot selfcest simple_background square_crossover undertale undertale_(series)
2016 digital_media_(artwork) drag_(fashion) duo femboy glistening hair hi_res humanoid machine male male/male mettaton mettaton_ex mettaton_neo not_furry robot selfcest simple_background square_crossover undertale undertale_(series)
2016 crossgender digital_media_(artwork) duo female femboy genitals glistening hair humanoid machine mettaton mettaton_ex not_furry robot selfcest simple_background solo_focus square_crossover undertale undertale_(series) vulva
2016 digital_media_(artwork) duo_focus erection fellatio femboy genitals group hair hotlegmeme human humanoid machine male male/male mammal mettaton mettaton_ex mettaton_neo monochrome not_furry oral penile penis robot selfcest sex simple_background square_crossover tongue undertale undertale_(series)
2016 3:4 digital_media_(artwork) femboy glistening group hair humanoid machine male male/male mettaton mettaton_ex not_furry robot selfcest simple_background soulplay square_crossover tongue undertale undertale_(series)
1:1 2016 abstract_background android black_lips digital_media_(artwork) fangs femboy glistening hair hair_over_eye headshot_portrait humanoid icon lgbt_pride lips low_res machine makeup male metallic_body mettaton mettaton_ex not_furry one_eye_obstructed portrait pride_color_background pride_colors robot robot_humanoid simple_background smile solo source_request teeth trans_(lore) trans_man_(lore) transgender_pride_colors undertale undertale_(series) unknown_artist
16:9 alphys ambiguous_gender animated_skeleton anthro aquatic arachnid arthropod asgore_dreemurr beard blonde_hair blue_eyes bodily_fluids bone boss_monster_(undertale) bovid buckteeth caprine clothed clothing eye_patch eyewear facial_hair female fire fish frisk_(undertale) fur glasses glowing glowing_eyes grin group hair heart_symbol hi_res horn human lizard machine magic male mammal melee_weapon mettaton mettaton_ex multi_eye papyrus_(undertale) pdubbsquared polearm purple_eyes red_eyes reptile robot scalie sharp_teeth skeleton smile spear spider tears teeth tongue tongue_out toriel undead undertale undertale_(series) undyne weapon white_body white_fur widescreen yellow_eyes
16:9 2015 ambiguous_gender animated duo english_text frisk_(undertale) human long_playtime machine male mammal mettaton mettaton_ex music nchproductions robot sound text transformation undertale undertale_(series) video widescreen
2015 absurd_res accessory alphys ambiguous_gender animated_skeleton anthro aquatic arachnid armless armor arthropod asgore_dreemurr beverage bone boss_monster_(undertale) bovid bow_(feature) bow_accessory bow_ribbon brown_hair canid canine canis caprine clothed clothed_human clothing container cup domestic_dog elemental_creature empty_eyes eyes_closed eyewear fangs female feral fire fish flora_fauna flower flowey_the_flower food footwear frisk_(undertale) fur ghost glasses gloves grass greater_dog grey_hair group hair hair_accessory hair_bow hair_ribbon handwear happy heart_symbol hi_res holding_object hoodie horn human humanoid lesser_dog light lizard long_ears long_image machine male mammal melee_weapon mettaton mettaton_ex monster_kid muffet multi_arm multi_eye multi_limb multiple_images napstablook nyapapa open_mouth papyrus_(undertale) photoshop_flowey pigtails plant polearm reptile ribbons robe robot sans_(undertale) scales scalie shoes short shrub signature silhouette skeleton sky slippers smile snow solo soul soul_(undertale) sparkles spear spider spider_web spikes spirit string sunflower tall_image tea tea_cup teapot teeth tem temmie_(undertale) tongue tongue_out topwear toriel tree trio twin_bows twin_hair_bows undead undertale undertale_(series) undyne weapon white_body white_fur
ambiguous_gender animated_skeleton anthro armor asriel_dreemurr barefoot black_hair blush bone boss_monster_(undertale) bovid brown_hair butt caprine clothing cosplay feet female flower frisk_(undertale) fur goat green_eyes group hair heart_symbol horn human kemono laugh long_ears machine male mammal mettaton mettaton_ex papyrus_(undertale) plant rear_view rikose robot sans_(undertale) shirt simple_background skeleton smile speech_bubble topwear toriel undead undertale undertale_(series) white_body white_fur young young_ambiguous young_anthro young_human young_male
ambiguous_gender angry clothed clothing digital_drawing_(artwork) digital_media_(artwork) duo emotional_damage english_text exclamation_point eyes_always_closed eyes_closed french_taunter frisk_(undertale) guide_lines hair hair_over_eye human humanoid humor insult line_art machine mammal mettaton mettaton_ex monochrome monty_python monty_python_and_the_holy_grail not_furry one_eye_obstructed open_mouth robot shocked simple_background sketch text thesinnabun undertale undertale_(series) white_background yelling
2015 4_fingers android black_hair clothing fingers footwear grin hair hair_over_eye hi_res high_heels humanoid inviting looking_at_viewer machine mettaton mettaton_ex not_furry one_eye_obstructed outstretched_hand robot robot_humanoid sepiaflux shoes smile solo undertale undertale_(series)
2016 disney english_text gesture hand_gesture hi_res humor image_macro impact_(font) just_right machine male meme mettaton mettaton_ex not_furry ok_sign pacha_(the_emperor's_new_groove) reaction_image robot solo text the_emperor's_new_groove undertale undertale_(series) unknown_artist
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