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animated_skeleton anthro blush bone breasts clothing digital_media_(artwork) ealphys english_text eye_patch eyewear female fish freckles glasses group hair lizard looking_at_viewer machine male marine mettaton monster nsfwshamecave open_mouth papyrus_(undertale) red_hair reptile sans_(undertale) scalie simple_background skeleton smile teeth text tongue undead undertale undyne video_games ambiguous_gender anal anal_penetration bdsm blush bondage bound clothing dialogue digital_media_(artwork) duo hair hi_res human humanoid japanese_text leash machine mammal mettaton monster not_furry open_mouth penetration robot sex smile teeth text tongue tongue_out translation_request undertale video_games clothing deadsalesman dress hiding machine male mettaton moon robot solo stage stairs star undertale video_games vines ambiguous_gender colorful deadsalesman digital_media_(artwork) duo human machine male mammal mettaton not_furry protagonist_(undertale) robot striped_shirt undertale video_games ambiguous_gender animated arachnid arthropod being_watched bone brothers chara_(undertale) disembodied_hand ensoul female fish ghost glowing glowing_eyes hand_on_arm hand_on_head hand_on_shoulder machine male marine melee_weapon mettaton monster monster_kid papyrus_(undertale) pillar polearm protagonist_(undertale) robot sans_(undertale) sibling skeleton spear spider spirit tem temmie_(undertale) toriel undertale undyne undyne_the_undying video_games weapon absolutely_everyone absurd_res amalgamate ambiguous_gender animated_skeleton asgore_dreemurr asriel_dreemurr bone boss_monster chara_(undertale) dogamy dogaressa doggo female fish flowey_the_flower gaster ghost greater_dog grillby group hi_res human machine male mammal marine marytan mettaton monster napstablook onionsan papyrus_(undertale) protagonist_(undertale) robot sans_(undertale) skeleton spirit temmie_(undertale) toriel undead undertale undyne video_games blush bored clothed clothing comic digital_media_(artwork) english_text group hair humanoid machine male mettaton monster not_furry nsfwshamecave open_mouth robot silhouette sleeping smile solo_focus text undertale video_games blush clothed clothing comic digital_media_(artwork) english_text eyewear glasses hair humanoid machine male mettaton monster not_furry nsfwshamecave open_mouth robot smile solo text undertale unseen_character video_games clothed clothing comic crying digital_media_(artwork) english_text eyewear glasses hair humanoid machine male mettaton monster not_furry nsfwshamecave robot tears text undertale video_games animated_skeleton blush bone clothed clothing comic crying digital_media_(artwork) english_text eyewear glasses group hair humanoid machine male mettaton monster not_furry nsfwshamecave robot sans_(undertale) skeleton tears text undead undertale video_games blush clothed clothing comic crying digital_media_(artwork) english_text hair humanoid machine male mettaton monster not_furry nsfwshamecave robot tears text undertale video_games alphys anthro blush clothed clothing comic digital_media_(artwork) duo english_text eyewear glasses hair humanoid long_hair machine male mettaton monster nsfwshamecave open_mouth robot simple_background text undertale video_games clothed clothing comic digital_media_(artwork) english_text flashback forced group hair humanoid imminent_rape long_hair machine male mettaton monster not_furry nsfwshamecave open_mouth rape robot solo_focus text undertale video_games alphys anal anal_penetration beaten clothed clothing digital_media_(artwork) duo_focus english_text female flashback forced group hair humanoid long_hair machine male male/male mettaton monster nsfwshamecave open_mouth penetration rape robot sex tears teeth text tongue tongue_out undertale video_games wounded alphys beaten clothed clothing comic digital_media_(artwork) duo english_text female flashback hair humanoid long_hair machine male mettaton monster nsfwshamecave open_mouth robot tears text undertale video_games wounded blush clothed clothing comic crying digital_media_(artwork) english_text eyewear hair humanoid long_hair machine male mettaton monster not_furry nsfwshamecave open_mouth robot smile solo tears teeth text undertale video_games black_hair clothed clothing digital_media_(artwork) girly hair hotlegmeme humanoid machine male mettaton monster not_furry open_mouth robot smile undertale video_games clothed clothing digital_media_(artwork) duo girly hair humanoid machine makeup male mettaton monster multi_arm multi_eye multi_limb not_furry robot selfcest simple_background square_crossover teeth text translation_request underfell undertale unknown_artist video_games 2016 boots clothed clothing crossdressing dancing digital_media_(artwork) footwear girly hair hi_res high_heels hotlegmeme humanoid legwear looking_at_viewer machine male mettaton monster not_furry pole pole_dancing robot solo stripper_pole undertale underwear video_games anal anal_penetration animal_humanoid anus balls blush butt buttplug cat_humanoid clothed clothing collar feline girly hair humanoid looking_at_viewer machine male mammal mettaton monster nude penetration robot sex_toy simple_background smile text tongue undertale video_games 2016 android anthro boots butt clothed clothing doomthewolf english_text footwear girly hair half-closed_eyes high_heels humanoid long_hair looking_at_viewer machine male mettaton monochrome not_furry open_mouth robot shadow simple_background sitting sketch teeth text tongue undertale video_games white_background <3 armor cannon female fish g0966 machine male marine melee_weapon mettaton mettaton_neo monochrome monster polearm ranged_weapon robot simple_background spear undertale undyne undyne_the_undying video_games weapon white_background alphys arachnid armless arthropod asgore_dreemurr asriel_dreemurr bluemaroonss bone boss_monster brothers cape caprine clothing cousins crown cup digital_media_(artwork) eyewear fish flower flowey_the_flower ghost glasses goat group hair_bow hair_ribbon headphones hi_res human lizard machine mammal marine mettaton monster monster_kid muffet napstablook papyrus_(undertale) plant protagonist_(undertale) reptile ribbons robot sans_(undertale) scalie sibling skeleton spider spirit teapot toriel umbrella undertale undyne video_games waving <3 anal anal_penetration animated_skeleton bdsm blush bondage bone bound clothed clothing cum digital_media_(artwork) duo erection girly hair humanoid long_hair machine male male/male mettaton monster not_furry open_mouth orgasm papyrus_(undertale) penetration penis robot sex skeleton smile tongue undead undertale video_games yamsgarden <3 2016 alphys android animated_skeleton anthro asriel_dreemurr bone caprine chara_(undertale) chugiya couple dakumara female fish flora_fauna flowey_the_flower food goat group human humanoid ketchup kissing machine male mammal marine mettaton monster pairing plant protagonist_(undertale) reptile robot sans_(undertale) scalie selfcest simple_background skeleton square_crossover undead undertale undyne video_games <3 alcohol alpha_channel alphys annoying_dog asgore_dreemurr asriel_dreemurr beverage bone boss_monster bottle brother canine cape caprine chara_(undertale) clothed clothing cocktail cousins creepy crossdressing crown dog dress elemental eye_patch eyewear fairy female fire fire_elemental fish flora_fauna flower flowey_the_flower food gaster gaster_blaster ghost goat grillby hi_res horn human ketchup lamey-ami lizard male mammal marine melee_weapon mettaton monster napstablook papyrus_(undertale) pie plant polearm protagonist_(undertale) reptile sans_(undertale) scalie sibling skeleton skull spear spirit tem temmie_(undertale) thorns toby_fox toriel undertale undyne video_games weapon web whimsum wingdings <3 boots canine clothing duo footwear fur grey_fur ice_wolf_(undertale) lifting machine male mammal meter mettaton potatudoodles robot sparkle star undertale video_games wolf alphys ambiguous_gender asgore_dreemurr bone boss_monster brothers caprine female fire fish flora_fauna flower flowey_the_flower goat human lizard machine male mammal marine melee_weapon mettaton monster napstablook papyrus_(undertale) plant polearm protagonist_(undertale) reptile robot sans_(undertale) scalie sibling silhouette simple_background skeleton spear temmie_chang toriel trident undertale undyne video_games weapon <3 alphys ambiguous_gender asgore_dreemurr asriel_dreemurr bone boss_monster bow_tie burgerpants caprine cat chara_(undertale) drawing dummy elemental eye_patch eyewear feline female fire fire_elemental fish food gaster ghost glasses goat grillby human knife lagomorph lizard locket machine mad_dummy male mammal marine mettaton monster monster_kid napstablook nicecream_man noodles papyrus_(undertale) protagonist_(undertale) rabbit reptile robot sans_(undertale) scalie skeleton spirit tem temmie_(undertale) undertale undyne video_games waitingmatter animated animated_gif annoying_dog asgore_dreemurr asriel_dreemurr blush burgerpants character_request confetti everyone flowey_(undertale) food frisk_(undertale) full-face_blush greater_dog looking_at_viewer mettaton monster_boy monster_girl monster_kid_(undertale) muffet napstablook papyrus_(undertale) pasta plate sans spaghetti temmie toriel undertale undyne unoobang black_hair blue_hair female fish ghost hair headphones machine male marine mettaton microphone monster napstablook processormalfunction robot shyren singing sparkle spirit undertale video_games absurd_res black_hair clothed clothing crossover david_bowie gloves hair hair_over_eye hi_res humanoid larger_version_at_source looking_at_viewer machine male mettaton mrgwynplaine necktie portrait reflection robot smile solo standing suit undertale video_games alpha_channel blue_fur canine cat crossover dbkit dog eye_contact feline female flora_fauna fur grin hi_res katy_kat machine male mammal mettaton microphone parappa parappa_the_rapper plant robot simple_background sunny sunny_funny transparent_background undertale video_games animated erection humanoid humanoid_penis looking_at_viewer machine masturbation metal_penis mettaton not_furry penile_masturbation penis precum robot smuttywitch solo undertale video_games 2016 absurd_res alphys animated_skeleton asgore_dreemurr bone boots caprine clothed clothing digital_media_(artwork) duo female female/female footwear glowing glowing_eyes goat group hair_bow hair_ribbon hi_res leda456 mammal mettaton muffet napstablook painting papyrus_(undertale) protagonist_(undertale) ribbons sans_(undertale) scarf sitting skeleton smile sunset toriel uncanny_valley undead undertale undyne video_games androgynous android black_hair brown_hair closed_eyes cowboy_hat frisk_(undertale) grey_skin hat heart kuroha_ai lens_flare lightning_bolt mettaton mettaton_ex mouth_hold number shirt stick striped striped_shirt undertale android arm_cannon artist_name banned_artist black_hair bodysuit detached_legs grey_skin heart highres iwanashi_maiko mettaton mettaton_neo multicolored_hair outstretched_hand palms purple_hair shoulder_pads skin_tight spoilers standing undertale weapon alex_(bere) bleeding blood cape chainsaw hair_over_one_eye male_focus mettaton mettaton_ex polearm solo statue trident undertale weapon alex_(bere) android arm_cannon black_hair bleeding blood dual_persona glowing glowing_eye grey_skin hair_over_one_eye heart mettaton mettaton_ex mettaton_neo purple_eyes short_hair spoilers undertale weapon wings alex_(bere) android arm_cannon black_hair bleeding blood dual_persona glowing glowing_eye grey_skin hair_over_one_eye heart mettaton mettaton_ex mettaton_neo red_eyes short_hair spoilers undertale weapon wings bad_id bad_twitter_id burgerpants comic commentary highres korean male_focus mechanical_arm mettaton mettaton_ex misha_(hoongju) monster_boy multiple_boys paper pen sweat sweatdrop sweating_profusely translated undertale 3girls alphys androgynous bad_id bad_twitter_id brown_eyes brown_hair commentary_request food frisk_(undertale) mettaton mettaton_ex misha_(hoongju) multiple_boys multiple_girls papyrus_(undertale) petting pie sans shirt skeletal_arm slice_of_pie striped striped_shirt toriel undertale undyne