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androgynous android black_hair character_name fabulous hair_over_one_eye heart male_focus mettaton mettaton_ex mist_e10 solo undertale androgynous android black_hair glowing glowing_eye grey_skin heart mettaton mettaton_neo mist_e10 red_eyes undertale weapon crossover earthbound_(series) machine mettaton microphone nintendo robot sean_hicks undertale video_games 2015 alphys ambiguous_gender before_and_after blue_skin boots boss_monster clothing cybernetics cyborg eyewear footwear glasses group happy humor isabunnie machine mettaton mirror monster monster_kid open_mouth robotics simple_background teeth tongue tongue_out undertale undyne video_games white_background wide_eyed 4threset aaron_(undertale) alphys amphibian animated_skeleton anthro arachnid arthropod asgore_dreemurr asriel_dreemurr bone canine caprine cat chara_(undertale) dog equine feline female fish flowey_the_flower frog ghost goat grillby horse human lizard machine mad_dummy male mammal marine mettaton monster monster_kid muffet napstablook papyrus_(undertale) protagonist_(undertale) reptile robot sans_(undertale) scalie shyren skeleton spider spirit temmie_(undertale) toriel undead undertale undyne video_games abs cum erection girly hair hotlegmeme humanoid male mettaton muscular not_furry simple_background undertale video_games absurd_res alphys anal anal_fingering anon bedding blanket comic english_text fingering flowey_the_flower hi_res jet_pack machine mettaton mettaton_ex ms_paint mspaintguy robot simple_background soul text undertale video_games arms_up bone bug cake chair commentary copyright_name dirt doughnut flower flower_pot flowey_(undertale) fly food fork frisk_(undertale) heart heart_necklace insect jewelry ketchup ketchup_bottle koto_inari locket long_sleeves meatball mettaton necklace pasta pendant shaded_face silk skull spaghetti spaghetti_and_meatballs spider spider_web spikes standing_on_chair standing_on_object striped striped_sweater sweater table toriel undertale <3 blush bone butt clothing female hair hotlegmeme machine male male/female mettaton not_furry papyrus_(undertale) sex simple_background skeleton undead undertale video_games <3 better_version_at_source blush boss_monster clothed clothing digital_media_(artwork) duo girly hair humanoid machine male male/male mettaton not_furry robot selfcest simple_background smile square_crossover undertale unknown_artist video_games <3 armless better_version_at_source black_hair boss_monster clothed clothing digital_media_(artwork) duo english_text girly hair humanoid machine male male/male mettaton mettaton_neo not_furry open_mouth robot selfcest simple_background square_crossover text undertale unknown_artist video_games ambiguous_gender boss_monster clothed clothing digital_media_(artwork) duo ghost girly hair humanoid legwear looking_at_viewer machine male mettaton napstablook not_furry outertale robot simple_background smile space spirit star tongue undertale unknown_artist video_games 80s album_cover cover david_axel eyeshadow hair_over_one_eye hand_over_eye highres lipstick makeup mettaton mettaton_ex new_wave_music oldschool parody portrait robot undertale alpha_channel alphys alternate_color ambiguous_gender animated_skeleton armor arxielle asgore_dreemurr asriel_dreemurr beard bone boss_monster cape caprine chara_(undertale) clothed clothing cputale crown cybernetics cyborg digital_media_(artwork) facial_hair female fish flora_fauna flower flowey_the_flower fur ghost gloves goat group hair headphones hoodie horn human humanoid machine male mammal marine markings melee_weapon mettaton microphone napstablook papyrus_(undertale) plant polearm protagonist_(undertale) red_hair robot sans_(undertale) scalie scarf simple_background skeleton skull smile spear spirit sprites toriel transparent_background undead undertale undyne video_games weapon white_fur blush breasts crossgender female hair hi_res hotlegmeme machine male male/female mettaton mettaton_neo pussy robot sex simple_background undertale video_games better_version_at_source bone boots clothing coat english_text flowey_the_flower footwear fusion humor jacket mettaton not_furry open_mouth sans_(undertale) skeleton solo swearing tagme text undead undertale unknown_artist video_games what where_is_your_god_now yelling 1girl android annoying_dog armor blue_eyes bodysuit bone commentary_request crossover derivative_work dual_persona eyebrows eyepatch eyeshadow fangs flowey_(undertale) frown genderswap gloves glowing gyosone hair_over_one_eye hand_on_forehead head_fins heart kill_la_kill kinagase_tsumugu lipstick looking_at_viewer makeup mettaton mettaton_ex microphone mikisugi_aikurou parody pink_eyes polearm ponytail purple_hair robot skin_tight smile smoking spear sticker style_parody thick_eyebrows undertale undyne weapon <3 blush boss_monster clothed clothing digital_media_(artwork) duo girly hair hotlegmeme humanoid machine male male/male mettaton mettaton_neo not_furry robot selfcest sex simple_background smile square_crossover undertale video_games clothed clothing digital_media_(artwork) girly hair humanoid long_hair looking_at_viewer machine male mettafell mettaton multi_eye not_furry open_mouth robot sharp_teeth simple_background sl4ughtermelon smile teeth underfell undertale video_games 2016 boss_monster buldge butt clothed clothing digital_media_(artwork) gay-albino-robot humanoid machine male mettaton not_furry robot rubber simple_background solo undertale video_games animated_skeleton anthro blush bone burgerpants cat clothed clothing dialogue digital_media_(artwork) duo english_text feline girly hair humanoid machine male male/male mammal mettaton napstablook open_mouth papyrus_(undertale) robot safe sans_(undertale) skeleton smile text undead undertale video_games boss_monster clothed clothing digital_media_(artwork) duo girly hair humanoid long_hair machine male male/male mettafell mettaton monster multi_arm multi_eye multi_limb not_furry open_mouth robot sharp_teeth simple_background square_crossover teeth underfell undertale video_games anthro boss_monster burgerpants cat clothed clothing dialogue digital_media_(artwork) drugs duo english_text feline fur girly hair hat humanoid long_hair machine male mammal marijuana mettaton monster open_mouth robot simple_background smile smoking text undertale video_games androgynous android black_hair fabulous hair_over_one_eye heart male_focus mettaton mettaton_ex mincelot smile solo undertale cowboy_shot crotch_grab from_below hair_over_one_eye highres legs_apart mettaton mettaton_ex robot stage_lights tongue tongue_out undertale yondamoegi animated black_background humor invalid_tag lenny_face mettaton reaction_image simple_background undertale unknown_artist video_games 2015 mapleleauf mettaton not_furry simple_background solo toaster undertale video_games white_background animated_skeleton anthro asgore_dreemurr blood bone boss_monster caprine chara_(undertale) clothed clothing dinosaur female fish flowey_the_flower goat human machine male mammal marine mettaton papyrus_(undertale) protagonist_(undertale) robot sans_(undertale) simple_background skeleton sketch toriel traditional_media_(artwork) undead undertale undyne unusualsombrero video_games <3 <3_eyes 2016 arnachy clothing dialogue english_text female machine mettaton robot solo text undertale undressing video_games alphys androgynous annoying_dog asgore_dreemurr asriel_dreemurr bad_id bad_pixiv_id blood bloody_clothes bloody_hands bloody_knife bloody_weapon boots bratty_(undertale) brown_hair catty_(undertale) chara_(undertale) closed_eyes collared_shirt creature dogamy dogaressa doggo endogeny english everyone flowey_(undertale) full_body gotmil gradient gradient_background grillby heart heart_necklace height_difference jewelry knife leaf mad_dummy_(undertale) mad_jick mettaton mettaton_ex monster_kid_(undertale) muffet napstablook necklace onionsan papyrus_(undertale) pillar plant red_background river_person_(undertale) royal_guard_01_(undertale) royal_guard_02_(undertale) sans shirt shorts shyren simple_background sitting smile spoilers standing striped striped_shirt temmie toriel tray tsunderplane undertale undyne vines w.d._gaster weapon 3girls =_= androgynous animated animated_gif armor black_hair blue_eyes bone brown_hair c: closed_eyes cup energy_spear everyone extra_eyes eyelashes eyepatch fangs food frisk_(undertale) furry gameplay_mechanics gloves glowing glowing_eye graph grin hair_over_one_eye hair_ribbon heart horns insect_girl jacket knife lowres mettaton mettaton_ex monster muffet's_pet multiple_arms multiple_boys multiple_girls mystery_skulls one_eye_closed open_mouth papyrus_(undertale) parody pie polearm ponytail purple_skin red_eyes red_hair ribbon sans scarf sharp_teeth shirt short_twintails skeleton skull smile snow spear spider_girl spoilers striped striped_shirt teacup teeth tongue tongue_out toriel twintails undertale undyne unoobang weapon yellow_sclera yellow_teeth 3girls =_= androgynous armor black_hair blue_eyes bone brown_hair c: closed_eyes cup energy_spear extra_eyes eyelashes eyepatch fangs food frisk_(undertale) furry gloves glowing glowing_eye goat_girl graph grin hair_over_one_eye hair_ribbon heart horns insect_girl jacket knife mettaton mettaton_ex monster muffet muffet's_pet multiple_arms multiple_boys multiple_girls one_eye_closed open_mouth papyrus_(undertale) pie polearm ponytail purple_skin red_eyes red_hair ribbon sans scarf sharp_teeth shirt short_twintails skeleton skull smile snow spear spider_girl spoilers striped striped_shirt teacup teeth tongue tongue_out toriel twintails two_side_up undertale undyne unoobang weapon yellow_sclera yellow_teeth 2016 anal anal_penetration animated animated_skeleton blush bone butt clothed clothing dialogue digital_media_(artwork) duo fel-frisk girly hair humanoid machine male male/male mettaton no_sound not_furry open_mouth papyrus_(undertale) penetration robot skeleton smile stuck text undead undertale video_games 2016 anal anal_penetration anthro asgore_dreemurr balls beard blush boss_monster butt caprine clothing cum cuntboy cuntboy/male digital_media_(artwork) dongoverlord duo erection facial_hair fur girly goat hair humanoid intersex intersex/male machine male mammal mettaton muscular open_mouth orgasm penetration penis pussy robot sex soulplay undertale vaginal vaginal_penetration video_games white_fur alphys animated_skeleton anthro bone boss_monster clothed clothing dialogue digital_media_(artwork) duo english_text eye_patch eyewear female fish glasses hair lizard long_hair machine male marine mettaton open_mouth papyrus_(undertale) red_hair reptile robot scalie simple_background skeleton smile text undead undertale undyne video_games <3 chainsaw egg english_text food human machine mammal mettaton milk pdubbsquared protagonist_(undertale) robot text tools undertale video_games 4_fingers crossgender crossover female ghost hair machine mad_dummy mettaton mtt_brand_legs napstablook not_furry panty_(pswg) panty_and_stocking_with_garterbelt ridiculous_hair robot simple_background spirit stocking_(pswg) tears undertale unknown_artist video_games abra alphys asgore_dreemurr brock crossover duskull feraligatr flowey_the_flower gogoat hitmonchan magneton mettaton nintendo papyrus pokémon protagonist_(undertale) sans skiddo slurpuff sunflora temmie_(undertale) toriel undertale undyne video_games mettaton nickelodeon spongebob_squarepants squidward_tentacles undertale video_games human machine mammal mettaton protagonist_(undertale) robot undertale video_games alphys asgore_dreemurr flowey_the_flower mettaton monster_kid papyrus_(undertale) protagonist_(undertale) sans_(undertale) undertale undyne video_games 2016 bdsm bondage bound butt clothed clothing cum digital_media_(artwork) erection girly hair humanoid legwear machine male mettaton monster not_furry penis robot simple_background smile solo undertale video_games