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anal anthro bra burgerpants cat catty catty_(undertale) clothing cunnilingus dildo feline female group group_sex machine male mammal mettaton oral robot sex sex_toy slightly_chubby strapon sweat threesome undertale underwear vaginal video_games <3 aircraft airplane alphys amalgamate arachnid arthropod asgore_dreemurr avian bird blush bone boss_monster canine cape caprine christmas christmas_tree clothing dog doggo door duck everyman eyes_closed fire fireball flower gaster gaster_follower ghost gloves goat greater_dog green_sclera holidays house human jerry_(undertale) knife leaf lesser_dog loox mad_dummy mammal mettaton monitor monster monster_kid muffet napstablook onionsan papyrus_(undertale) photoshop_flowey plant protagonist_(undertale) reaper_bird sans_(undertale) sign skeleton snow snowdrake snowdrake's_mother snowman spider spirit toriel tree tsunderplane undertale undyne unknown_artist vegetoid video_games water woshua english_text flower flowey humor machine mettaton model_sheet monster plant robot text undertale unknown_artist video_games <3 human machine mammal mettaton mettaton_neo pdubbsquared robot undertale video_games wings alphys asgore_dreemurr comic mettaton sans_(undertale) tagme undertale undyne unknown_artist video_games 2015 alphys mettaton source_request tagme undertale undyne unknown_artist video_games bone cape clothing eyewear facebook female fish jerry_(undertale) machine male marine marker mettaton papyrus_(undertale) phone robot selfie sink skeleton sunglasses undertale undyne video_games brown_hair girly hair lips looking_at_viewer machine male mettaton pink_eyes robot solo undertale unknown_artist video_games clothing gloves high_heels machine male mettaton pink_eyes robot solo thick_thighs undertale unknown_artist video_games black_hair crossdressing girly hair high_heels looking_at_viewer machine male mettaton pink_eyes robot solo undertale video_games clothing gloves machine male mettaton microphone robot underfell undertale unknown_artist video_games 2015 absurd_res age_difference alphys asgore_dreemurr asriel_dreemurr boss_monster caprine dialogue fish flowey goat hi_res mammal marine mettaton monster_kid napstablook natouu-love_(artist) papyrus_(undertale) protagonist_(undertale) reptile sans_(undertale) scalie striped_shirt toriel undertale undyne video_games arachnid arthropod black_hair bone cake chef_hat cupcake fangs food hair machine mettaton muffet multi_limb multiple_eyes papyrus_(undertale) robot rotodisk skeleton spider undertale video_games anthro bone comic dialogue english_text female fish humor machine male marine mettaton papyrus_(undertale) robot sans skeleton text undertale undyne video_games yamsgarden 4boys alphys anadapta androgynous artist_name basketball black_hair bomb directional_arrow eyepatch flying food frisk_(undertale) glasses headphones hood hoodie hot_dog ice_cream machinery mettaton molten_rock monster_girl monster_kid_(undertale) multiple_boys multiple_girls mustard napstablook papyrus_(undertale) robot sans scarf skeleton steam switch tank_top unamused undertale undyne asgore_dreemurr asriel_dreemurr boss_monster flora_fauna flowey_the_flower hanbok joseontale machine melee_weapon mettaton mettaton_ex ms1sharklee plant robot sword undertale video_games weapon 2016 2others 3girls 4boys :d :o :p ;d ^_^ alphys androgynous android animal_ears annoying_dog armor asgore_dreemurr black_hair blonde_hair blue_eyes blue_skin bone brown_eyes brown_hair cake candle car caribun closed_eyes dog eyepatch facial_mark fangs food frisk_(undertale) ghost goat_ears goat_girl grin ground_vehicle hair_over_one_eye highres hood hoodie horns md5_mismatch mettaton mettaton_ex monster_boy monster_girl monster_kid_(undertale) motor_vehicle multiple_boys multiple_girls multiple_others napstablook one_eye_closed open_mouth papyrus_(undertale) ponytail purple_eyes red_hair resized sans scarf sharp_teeth shirt skeleton skull smile striped striped_shirt teeth tongue tongue_out toriel undertale undyne upscaled watermark web_address yellow_skin 3boys alphys androgynous android animated animated_gif black_hair blue_skin book brown_hair closed_eyes eyepatch food frisk_(undertale) glasses hair_over_one_eye head_fins heart hood hoodie lowres mettaton mettaton_ex monster_girl multiple_boys multiple_girls papyrus_(undertale) parody pasta polearm ponytail red_hair sans scarf shirt skeleton smile spaghetti sparkle spear steven_universe striped striped_shirt undertale undyne weapon yamsgarden 3girls aaron_(undertale) androgynous beamed_eighth_notes commentary eighth_note epilogue family frisk_(undertale) good_end greyscale half_note headphones horse lemon_bread lynxgriffin mettaton moldbygg moldsmal monochrome monster_boy monster_girl multiple_boys multiple_girls music musical_note napstablook phonograph quarter_note sharp_teeth shyren siblings signature singing sisters slime spoilers teeth temmie turntable undertale 1girl commentary epilogue giggling good_end grin lemon_bread lynxgriffin mettaton mettaton_ex monster_girl sharp_teeth signature smile spoilers teeth undertale 2015 aaron_(undertale) astigmatism final_froggit froggit lemon_bread lynxgriffin mettaton moldbygg moldsmal monster napstablook protagonist_(undertale) reaper_bird shyren simple_background sketch temmie_(undertale) undertale video_games whimsalot whimsun black_and_white black_hair bone bow_tie brothers card cigarette doctrin-zhivago english_text eyewear facial_hair flora_fauna flower flowey_the_flower grim_fandango group hair hat machine male melee_weapon mettaton monochrome mustache papyrus_(undertale) parody plant robot sans_(undertale) scythe sibling skeleton smile suit sunglasses text undertale video_games weapon ambiguous_gender bl8l black_hair brown_hair child comic dialogue eating english_text eyelashes hair hair_over_eyes human humor machine male mammal mettaton pencil pose protagonist_(undertale) robot speech_bubble steak sweat sweatdrop text tongue tongue_out undertale video_games young <3 clothing hair human lights machine mammal mettaton mic pikminaaa protagonist_(undertale) robot undertale video_games alphys asgore asriel_dreemurr chara crossgender flowey_the_flower mad_dummy mettaton monster_kid muffet napstablook papyrus_(undertale) protagonist_(undertale) sans_(undertale) temmie_(undertale) toriel undertale undyne unknown_artist video_games <3 android black_hair hair humblebee machine metal mettaton mettaton_ex robot solo undertale video_games wires alphys astrobullet_(artist) clothing comic english_text fish ghost hoodie house lizard machine marine mettaton monster napstablook reptile robot scalie scarf spirit text undertale undyne video_games clothing english_text ghost hair marine mettaton napstablook red_hair shrubsparrow_(artist) spirit text undead undertale undyne video_games alphys animated_skeleton bone clothing hoodie machine mettaton monster monster_kid musical_instrument napstablook nicky1311_(artist) papyrus_(undertale) protagonist_(undertale) robot sans_(undertale) scarf skeleton trombone undead undertale undyne video_games 1girl 2boys alternate_costume alternate_hair_length alternate_hairstyle android antlers black_hair black_legwear black_scarf bow candy candy_cane christmas christmas_lights crossdress crossdressing dress extra_arms extra_eyes green_bow grin hat hat_ribbon heart hood insect_girl long_hair mettaton mettaton-ex muffet multiple_arms multiple_boys night one_eye_closed one_eye_covered pantyhose papyrus_(undertale) purple_eyes red_nose red_ribbon ribbon rotodisk rudolph_the_red_nosed_reindeer santa_costume scarf short_hair skeleton skirt smile snow trap undertale white_hat 2015 alphys ambiguous_gender anthro asgore_dreemurr boss_monster caprine clothing crossover female goat kill_la_kill machine mako_mankanshoku male mammal melee_weapon mettaton monster monster_kid papyrus_(undertale) rekuh reptile robot ryuko_matoi sans_(undertale) satsuki_kiryuin scalie school_uniform sword temmie_(undertale) toriel undertale undyne uniform video_games weapon 2015 alphys boots butt clothing eyewear female footwear glasses havesomemoore hi_res humor male mettaton monochrome monster protagonist_(undertale) undertale video_games what ambiguous_gender clothing cutie_mark equine feral grimdark-graveyeard hair hooves horse legwear looking_back machine mammal mettaton my_little_pony pink_eyes ponification pony robot simple_background solo stockings undertale video_games alphys black_background black_hair bone clothing cute digital_media_(artwork) earth_pony equine eye_patch eyes_closed eyewear female feral fish flower fur glasses grass hair hooves horn horse lying machine male mammal marine mettaton my_little_pony orange_fur papyrus_(undertale) pegasus pinksonic42 plant ponification pony protagonist_(undertale) red_hair robot sans_(undertale) simple_background skeleton sleeping text undertale undyne unicorn video_games white_fur wings anthro burgerpants cat catnippackets clock english_text feline frown hat machine male mammal mettaton monochrome robot signature speech_bubble stare text undertale video_games <3 bone clothing crossover deviantart dialogue duo equine feral grin hoodie hooves horn horse jacket machine male mammal mettaton my_little_pony pegasus pinksonic42 ponification pony question robot sans_(undertale) shy skeleton smile text undertale unicorn video_games wings 2015 asriel_dreemurr balls black_sclera blue_eyes blush boss_monster breasts butt caprine claws clothing comic crying dialogue english_text female fur goat hi_res horn hug jasonafex kabier lol_comments male mammal markings masturbation mettaton mother mother_and_son nude parent penile_masturbation penis protagonist_(undertale) red_eyes robe son spread_legs spreading tears text toriel undertale undyne video_games white_fur ambiguous_gender big_breasts black_hair breasts brown_hair cleavage clothed clothing crossgender dress duo eyelashes female hair hair_over_eye hi_res huge_breasts human lil-yellow-kirby lipstick looking_away machine mammal mettaton musical_note protagonist_(undertale) purple_eyes robot simple_background size_difference smile undertale video_games white_background asriel_dreemurr bone boss_monster caprine female fish flower flowey_the_flower gaster_blaster goat hair human machine male mammal marine melee_weapon mettaton monster mykiio papyrus papyrus_(undertale) plant polearm protagonist_(undertale) red_hair red_ryes robot sans sans_(undertale) skeleton spear toriel undertale undyne undyne_the_undying video_games weapon alphys anthro arachnid arthropod asgore_dreemurr asriel_dreemurr bone boss_monster breasts caprine chara crossgender female flower flowey_the_flower ghost goat human intersex mad_dummy male mammal mettaton mettaton_ex monster_kid muffet napstablook papyrus penis plant protagonist_(undertale) reptile sans scalie skeleton spider spirit temmie_(undertale) toriel undertale undyne video_games 2015 alphys ambiguous_gender asgore_dreemurr boss_monster caprine crossover female goat kill_la_kill male mammal mettaton monster monster_kid papyrus rekuh sans_(undertale) temmie_(undertale) toriel undertale undyne video_games 5boys alphys asgore_dreemurr black_hair blue_eyes crossover head_fins highres junketsu kill_la_kill kinagase_tsumugu kiryuuin_satsuki long_hair mankanshoku_barazou mankanshoku_mako mankanshoku_matarou mankanshoku_sukuyo matoi_ryuuko mettaton mettaton_ex mikisugi_aikurou monster_kid_(undertale) multicolored_hair multiple_boys multiple_girls papyrus_(undertale) sans school_uniform scissor_blade senketsu serafuku short_hair sickly_prince skirt streaked_hair sword temmie toriel two-tone_hair undertale undyne weapon