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2016 animated_skeleton bone duo english_text machine male mettaton not_furry papyrus_(undertale) robot robynrot skeleton text undead undertale video_games ... 2016 ? animated_skeleton blush bone dialogue duo english_text machine male mettaton not_furry one_eye_closed papyrus_(undertale) robot robynrot sans_(undertale) skeleton text undead undertale video_games wink ! ... 2016 ? animated_skeleton anthro atlas-white blue_eyes blue_scales bone clothed clothing comic crying cup dialogue digital_media_(artwork) duo duo_focus english_text eyes_closed eyewear fear female fish gaster glowing glowing_eyes group hair hi_res inside male mammal marine monster monster_kid nervous open_mouth papyrus_(undertale) red_hair sans_(undertale) scales scalie scared signature skeleton sleeping smile sofa sound_effects speech_bubble sweat sweater tears teeth text undead undertale undyne video_games zzz animated_skeleton blush bone cigarette clothed clothed_sex clothing fellatio incest male male/male not_furry oral papyrus_(undertale) penis sans_(undertale) sex simple_background skeleton smoking tongue tongue_out undead underswap undertale unknown_artist video_games white_background ! 2016 alphys animated_skeleton anthro areola blush bone breasts butt butt_slap chung-sae female fish group lizard male marine nude papyrus_(undertale) pussy reptile scalie skeleton slap slightly_chubby smile undead undertale undyne video_games <3 2016 aaron_(undertale) absolutely_everyone aircraft airplane alcohol alligator alphys amalgamate ambiguous_gender amphibian angry animate_inanimate animated_inanimate animated_skeleton annoying_dog_(undertale) antennae anthro anthropod apple apron arachnid armless armor arthropod asgore_dreemurr asriel_dreemurr astigmatism avian ball bandanna baseball_cap beak bear beverage bird bird_that_carries_you_over_a_disproportionately_small_gap blush bone book boss_monster bound bow_tie box bratty_(undertale) breasts bubble buckteeth bunbun_npc_(undertale) burger burgerpants butterfly cactus candy canine cape caprine carrot cat cat_smile catty_(undertale) cephalopod chara_(undertale) cheese child chilldrake cider clothed clothing cousin cowboy_hat crocodilian crown cub cute cyclops dagger date demon dessert dinosaur disembodied_head disembodied_tail dog dogamy dogaressa doggo doll doughnut dummy dummy_(undertale) duo elemental empty_eyes endogeny english_text everyman evil_grin eye_patch eyelashes eyeless eyes_closed eyewear faceless family fangs father feathers feline female final_froggit fire fire_elemental fish flora_fauna flower flowey_the_flower food food_creature footwear frog froggit fruit frying_pan fuku_fire fully_clothed fur gaster gaster_follower gastropod gerson ghost gift_box gills glasses gloves glyde goat goner_kid greater_dog grillby group gun gyftrot hair hair_over_eye hair_ribbon hair_tuft hanging_(disambiguation) happy hat hatchling heats_flamesman helmet hi_res high_heels holding_object hoodie horn hot_dog hug human humanoid ice ice-e ice_cap ice_cream ice_wolf_(undertale) insect invalid_tag jerry_(undertale) ketchup kitchen_utensil knife knight_knight lab_coat lagomorph legwear lemon_bread lesser_dog lion liquid lizard long_ears looking_at_viewer loox lying machine mad_dummy madjick male mammal marine melee_weapon memoryhead metal mettaton mew_mew_(undertale) migosp migospel moldbygg moldessa moldsmal monster monster_kid mother mouse muffet multi_arm multi_eye multi_limb muscular mushroom mustard napstablook nicecream_man noodles nude octopus onionsan open_mouth outline pants papyrus_(undertale) parent parfait partially_clothed pasta phone photoshop_flowey pie pigtails plant polearm ponytail potato_chip protagonist_(undertale) pumpkin pyrope quiche rabbit rabbit_shopkeeper ranged_weapon reaper_bird reptile rg01_(undertale) rg02_(undertale) ribbons river_person_(undertale) robe robot rock rodent rope rubber_duck sad salad sandwich_(disambiguation) sans_(undertale) sauce scalie scarf seahorse sharp_teeth shield shirt shoes shoulderpads shyren sibling signature skeleton slime slug smile snail snow snowdrake snowdrake's_mother snowman so_sorry_(character) soul spaghetti spear spider spikes spirit star steak stick striped_topwear stripes sweater sword tea tears teeth tem temmie_(undertale) tennis_ball text thundersnail_(undertale) tongue tongue_out top_hat toriel toy translation_request tsunderplane turtle tutu undead undertale undyne unknown_species vegetable vegetoid video_games vulkin watching_man weapon whimsalot whimsum whimsun wings wizard_hat woshua young znmai <3 anal anal_penetration animated_skeleton bed blush bone dialogue english_text eyes_closed first_person_view human male male/male mammal not_furry papyrus_(undertale) penetration penis pillow sex skeleton soul text theyaois_(artist) undead undertale video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male not_furry papyrus_(undertale) sibling skeleton speech_bubble text undead undertale video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male not_furry papyrus_(undertale) sibling skeleton speech_bubble text undead undertale video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male papyrus_(undertale) sibling skeleton speech_bubble text undead undertale video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male papyrus_(undertale) sibling skeleton speech_bubble text undead undertale video_games <3 alphys animated_skeleton annoying_dog_(undertale) anorha-nono anthro arachnid arthropod asgore_dreemurr asriel_dreemurr bone boss_monster canine caprine dog fish ghost goat group human lizard mammal marine mettaton muffet napstablook papyrus_(undertale) photo pose protagonist_(undertale) reptile sans_(undertale) scalie signed simple_background skeleton spider spirit toriel undead undertale undyne video_games anal anal_penetration breasts clothing erection female gryvvath humanoid male male/female masturbation nipples nude papyrus_(undertale) penetration penis protagonist_(undertale) pussy sex undertale undyne video_games anal anal_penetration breasts cum cum_inside erection female gryvvath humanoid male male/female masturbation nipples nude papyrus_(undertale) penetration protagonist_(undertale) pussy sex undertale undyne video_games 2016 animated_skeleton bone bones-n-boners english_text flower flower_crown looking_at_viewer male not_furry nude papyrus_(undertale) plant ribbons skeleton solo text undead undertale video_games 2016 absurd_res ambiguous_gender animated_skeleton anthro asgore_dreemurr asriel_dreemurr bone boss_monster brother canine caprine chara_(undertale) child comic eyes_closed father female feral fish flora_fauna flower flowey_the_flower goat greatest_dog hi_res human humanoid inner_monologue lynxgriffin machine male mammal marine mother papyrus_(undertale) parent plant protagonist_(undertale) sans_(undertale) sibling skeleton snow sound_effects speech_bubble text toriel tree ultradog_(undertale) undead underground undertale undyne video_games young 2016 anthro asriel_dreemur bone boss_monster caprine clothed clothing comic dialogue english_text eyes_closed fish fur goat group hi_res human male mammal marine papyrus_(undertale) protagonist_(undertale) sans_(undertale) skeleton tc-96 text toriel undertale undyne video_games animated_skeleton asriel_dreemurr bone boss_monster caprine clothing comic crying dishes english_text fish goat human humor mammal marine papyrus_(undertale) protagonist_(undertale) sans_(undertale) scalie scarf skeleton sky snow stripes tc-96 tears text toriel torn_clothing undead undertale undyne video_games winter (undertale) animated_skeleton bone boss_monster chara_(undertale) clothing flowey_the_flower human mammal not_furry open_mouth papyrus_(undertale) protagonist_(undertale) sans_(undertale) skeleton undead undertale video_games ! <3 animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text eyes_closed female fish flower incest inside male male/male marine monochrome papyrus_(undertale) plant sans_(undertale) sex skeleton sweat text undead undertale undyne unknown_artist video_games ! <3 ? animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text eyes_closed female fish incest male male/male marine monochrome papyrus_(undertale) sans_(undertale) sex skeleton sweat text tongue tongue_out undead undertale undyne unknown_artist video_games ! <3 animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text eyes_closed female fish incest male male/male marine monochrome papyrus_(undertale) sans_(undertale) sex skeleton sweat text undead undertale undyne unknown_artist video_games 2boys armor bear blue_eyes blush_stickers bone boots bow brothers bunny cape closed_eyes english faceplant furry gloves glowing glowing_eyes grin hands_in_pockets height_difference highres holding holding_bone hood hooded_jacket jacket leash looking_at_another loped monster_boy monster_kid_(undertale) multiple_boys no_humans outdoors papyrus_(undertale) red_cape running sans scarf shirt shorts siblings sign size_difference skeleton slippers smile snow striped striped_shirt sweater tail undertale walking <3 alphys animated_skeleton annoying_dog_(undertale) asgore_dreemurr asriel_dreemurr bone boss_monster canine caprine dog doom english_text fish glowing goat human jerry knife lizard machine mammal marine melee_weapon mettaton mountain papyrus_(undertale) polearm protagonist_(undertale) reptile robot sans_(undertale) scalie signed skeleton smonkito text toriel trident undead undertale undyne_the_undying video_games weapon alphys animated_skeleton asgore_dreemurr bone boss_monster caprine comic english_text fish goat human humor lizard mammal marine papyrus_(undertale) plumfsh protagonist_(undertale) reptile sans_(undertale) scalie skeleton text toriel undead undertale undyne video_games animated_skeleton bone boss_monster caprine comic english_text goat humor mammal papyrus_(undertale) plumfsh sans_(undertale) signed skeleton text toriel undead undertale video_games 2016 animated_skeleton anthro bar bone boots canine clothing dog dogamy dogaressa doggo eyewear fire food footwear glasses gloves greater_dog grillby group lagomorph mammal nervous papyrus_(undertale) rabbit sandals sans_(undertale) scarf skeleton smile table undead undertale video_games いか天 2016 animated_skeleton anthro bone eye_patch eyewear female fish food group human male mammal marine monster papyrus_(undertale) protagonist_(undertale) scarf skeleton undead undertale undyne video_games 埜尤(のゆう) 2016 animated_skeleton beach bone clothing eyewear footwear group hat hone human male mammal monster papyrus_(undertale) protagonist_(undertale) sandals sans_(undertale) seaside skeleton smile sunglasses undead undertale video_games 2016 alphys animated_skeleton asgore_dreemurr bone caprine clothing computer female fish goat group hone lizard male mammal marine monster open_mouth papyrus_(undertale) reptile sans_(undertale) scalie sitting skeleton toriel undead undertale undyne video_games animated_skeleton blush bone boss_monster drunk english_text eye_patch eyewear female fish food group male marine open_mouth papyrus_(undertale) pizza sans_(undertale) skeleton sound_effects sweat text throwing toriel undead undertale undyne video_games what yukaran_nosuke <3 2016 alphys animated_skeleton annoying_dog_(undertale) anthro arachnid arthropod asgore_dreemurr asriel_dreemurr beverage black_hair bone bow brown_hair canine caprine clothing crown dog doughnut english_text eye_patch eyewear facial_hair female fish food fur ghost glasses goat hair hat hi_res horn human lizard long_ears long_hair machine male mammal marine mettaton monster monster_kid muffet napstablook papyrus_(undertale) pokey_(pixiv) ponytail protagonist_(undertale) red_eyes reptile robe robot sans_(undertale) scalie short_hair skeleton spider spirit tea temmie_(undertale) text toriel undead undertale undyne video_games white_fur ! ... 2016 ? absurd_res alphys animated_skeleton anthro atlas-white bedding blanket blue_eyes blue_scales blush bone book brown_hair buckteeth clothed clothing comic cup dialogue digital_media_(artwork) duo duo_focus english_text eye_patch eyes_closed eyewear female fish glasses glowing glowing_eyes group hair hi_res human humor lying machine male mammal marine mettaton microphone monster nervous open_mouth papyrus_(undertale) pillow protagonist_(undertale) red_hair robot sad sans_(undertale) scales scalie scar shocked signature sitting skeleton sleeping smile speech_bubble teeth text undead undertale undyne video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male papyrus_(undertale) sibling skeleton smile speech_bubble text undead undertale video_games 2016 aftertale animated_skeleton blood bone brother clothing comic geno_sans_(aftertale) loverofpiggies male papyrus_(undertale) sibling skeleton speech_bubble text undead undertale video_games androgynous asgore_dreemurr beard blush book brown_hair cape facial_hair frisk_(undertale) heart horns labcoat mettaton papyrus_(undertale) renoa_yu sans shirt smile toriel undertale undyne 2015 animated_skeleton bee_(bee_and_puppycat) bee_and_puppycat bone canine cartoon_hangover cat crossover dog feline hybrid mammal natouu papyrus_(undertale) puppycat sans_(undertale) skeleton undead undertale video_games 2015 adventure_time animated_skeleton bone canine cartoon_network crossover dog female finn_the_human human humanoid jake_the_dog male mammal natouu papyrus_(undertale) princess_bubblegum skeleton undead undertale video_games animated_skeleton blush bone cigarette clothing english_text male not_furry outerswap outertale papyrus_(undertale) sans_(undertale) skeleton smoking star_eyes text undead undertale unknown_artist video_games animated_skeleton blush bone clothing comic dialogue english_text male not_furry outerswap outertale papyrus_(undertale) sans_(undertale) skeleton star_eyes text undead undertale unknown_artist video_games <3 animated_skeleton blush bone clothing dialogue english_text kissing male night_sky not_furry outerswap outertale papyrus_(undertale) sans_(undertale) skeleton star_eyes text undead undertale unknown_artist video_games ! ... 2016 ? absurd_res animated_skeleton anthro atlas-white bedding blanket blue_eyes blue_scales bone book clothed clothing comic dialogue digital_media_(artwork) duo duo_focus english_text eye_patch eyes_closed eyewear female fish glowing glowing_eyes group hair hi_res lying male marine monster nervous open_mouth papyrus_(undertale) pillow red_hair sad sans_(undertale) scales scar signature sitting skeleton smile speech_bubble teeth text undead undertale undyne video_games