alternate_universe animated animated_skeleton blush bone clothing fan_character fedora gaster hat jacket kiatokid male necktie not_furry papyrus_(undertale) protagonist_(undertale) sans_(undertale) scarf skeleton smile teeth undead undermafia undertale video_games  <3 2015 clothing colored_nails digital_media_(artwork) fingernails footwear girly glitch high_heels humanoid infel-phira looking_at_viewer machine mettaton mettaton_ex not_furry robot shiny shoes solo undertale video_games  bone clothing duo eye_patch eyewear female fish kaiser44 male marine papyrus_(undertale) shirt skeleton tank_top text undertale undyne video_games  alternate_universe ambiguous_gender animal_humanoid armor cape clothing eye_patch eyewear fish fish_humanoid hair helmet humanoid marine outertale red_hair solo space star undertale undyne undyne_(outertale) unknown_artist video_games  animated_skeleton bone clothed clothing crying english_text hi_res not_furry sad sans_(undertale) skeleton sumizome-no-okami tears text undead undertale video_games  <3 :3 alphys anthro blush buckteeth clothing cute domination duo ear_fins english_text eye_patch eyewear fangs female female/female female_domination fin fish gills glasses grope lizard marine monochrome purring reptile scalie tailwag teeth text undertaild undertale undyne video_games  2015 anthro breasts eye_patch eyewear fangs female fish gym_clothing hair hi_res long_hair marine navel red_hair reka sketch small_breasts solo undertale undyne video_games  ! <3 animated_skeleton bone brown_hair clothing comic door flirting hair hand_holding hi_res human jacket kuangtai mammal not_furry notice protagonist_(undertale) sans_(undertale) skeleton skull sweat undead undertale unsure video_games window  <3 alternate_species alternate_universe beard canine clothed clothing dog dogamy dogaressa english_text facial_hair female feral fur hair hi_res hoodie houndertale human humanized male mammal pants pet shirt smile stuffthatisirrelevant text toriel undertale video_games white_fur  <3 :3 canine clothed clothing dog fur greater_dog hair hi_res houndertale human lesser_dog male mammal mettaton pants pet shirt smile stuffthatisirrelevant text undertale video_games  crossover dbkit duo flora_fauna flowey_the_flower humanoid parappa_the_rapper plant simple_background sunny sunny_funny tears undertale video_games  alternate_universe angeltale animated_skeleton bone boots clothed clothing cloud fan_character feathered_wings feathers flying footwear humanoid jacket male not_furry pants sans_(undertale) serpentinesaltern skeleton sky smile solo undead undertale video_games wings  alternate_species animated_skeleton bone boots brothers canine clothing cubewatermelon digital_media_(artwork) dog duo footwear hoodie male mammal papyrus_(undertale) sans_(undertale) sibling skeleton undead undertale video_games  alternate_universe altertale ambiguous_gender animated_skeleton bone brown_hair clothing duo friisans hair hi_res hoodie human mammal not_furry protagonist_(undertale) sans_(undertale) simple_background skeleton skull slippers smile undead undertale video_games white_background  alternate_universe angeltale animated_skeleton armor bone boots clasped_hands clothed clothing digital_media_(artwork) eyes_closed fan_character feathered_wings feathers flying footwear full-length_portrait gloves hi_res humanoid le-poofe male not_furry pants papyrus_(undertale) portrait scarf side_view skeleton smile solo undead undertale video_games wings  black_hair blue_hair dj_booth female fish ghost hair headphones humanoid machine male marine mettaton mettaton_ex microphone napstablook processormalfunction robot shiny shyren singing sparkle spirit stage undertale video_games  <3 alcohol alpha_channel alphys annoying_dog_(undertale) 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 monochrome napstablook papyrus_(undertale) pie plant polearm protagonist_(undertale) reptile sans_(undertale) scalie sibling skeleton skull spear spirit tem temmie_(undertale) thorns toriel undertale undyne video_games weapon web whimsum wingdings  2015 alien arainmorn blue_skin blush breasts butt butt_grab cartoon_network crossover duo eye_patch eyewear female female/female fish french_kissing gem_(species) hair hand_on_butt hi_res humanoid jasper_(steven_universe) kissing lotus_position marine nipples nude on_lap orange_skin red_hair sex sitting sitting_on_lap steven_universe undertale undyne video_games white_hair  2015 anthro arachnid arthropod black_hair blue_eyes clothed clothing cup digital_media_(artwork) fangs female feral grey_skin group hair hair_bow hair_ribbon holding_object holding_spoon limebreaker muffet multi_eye multi_limb noseless pigtails ribbons smile solo_focus spider spoon tea_cup tea_pot undertale video_games  2015 clothing dialogue english_text eye_patch eyewear female fish hair hi_res jacket looking_at_viewer marine noseless red_hair smile solo speech_bubble sweat text toughsetselect undertale undyne video_games yellow_eyes  ambiguous_gender angry anthro asgore_dreemurr boss_monster caprine captaingerbear comic female goat human male mammal monochrome protagonist_(undertale) toriel undertale video_games  2015 alphys angry anthro bed bedroom black_and_white blush breasts claws collar comic dialogue duo english_text eyewear female female/female flat_chested glasses hi_res leash marine misunderstanding monochrome nipples nude pen_(artwork) pussy reptile scalie small_breasts smile teeth text toe_claws traditional_media_(artwork) undertaild undertale undyne video_games  ! ? anal anal_masturbation anal_penetration animal_genitalia animal_penis anthro balls bottomless canine canine_penis clothed clothing clothing_lift cum cumshot dildo dildo_sitting dog doggo ejaculation english_text erection hands-free humanoid_dildo kingfurrytrash knot male mammal masturbation nude open_mouth orgasm penetration penis precum sex_toy shirt shirt_lift solo speech_bubble tank_top text toying_self undertale video_games  animal_humanoid arthropod big_breasts black_and_white breasts cum cum_on_face disembodied_penis erection fangs female gray_impact hair hair_bow hair_ribbon hi_res huge_breasts humanoid humanoid_penis licking male money monochrome muffet multi_arm multi_eye multi_limb nipples noseless penis pussy ribbons sex smile spider_humanoid titfuck tongue tongue_out undertale video_games wallet wide_hips  big_dom_small_sub blush boss_monster breasts bruised caprine cum dark_skin digital_media_(artwork) female forced fur goat hakiahki horn human long_ears male male/female mammal nipples nude open_mouth rape rough_sex sex simple_background size_difference smile tears text toriel undertale video_games white_fur  2018 ambiguous_gender animated_skeleton anthro asgore_dreemurr atlas-white beard bone boss_monster caprine chara_(undertale) clothed clothing comic digital_media_(artwork) english_text facial_hair fur goat hair horn human male mammal protagonist_(undertale) sans_(undertale) simple_background skeleton text undead undertale video_games white_fur  advertisement anthro big_breasts boss_monster breasts caprine early_development female goat jonfawkes lumineko mammal toriel undertale video_games  ... 2015 animated_skeleton bone clothing dying english_text full-length_portrait grey_background hi_res human humanoid knife mammal not_furry papyrus_(undertale) portrait protagonist_(undertale) sad scarf shirt simple_background skeleton text undead undertale unknown_artist video_games violence weapon  4:3 animated_skeleton bone clothing english_text flowey_the_flower gaster gaster_blaster ms-wabbit_(artist) protagonist_(undertale) sans_(undertale) skeleton text undead undertale video_games  anal anal_penetration animated_skeleton armpit_hair asgore_dreemurr balls big_penis blush bone boss_monster caprine clothed clothing clothing_lift erection goat huge_penis idiotwica lying male male/male mammal missionary_position nude on_back penetration penis sans_(undertale) sex shirt shirt_lift size_difference skelefucking skeleton undead undertale video_games  anthro boss_monster caprine clothed clothing female goat mammal protagonist_(undertale) simple_background sketch toriel traditional_media_(artwork) undertale unusualsombrero video_games  2016 angstrom big_breasts breasts clothed clothing cum cum_through_clothing cumshot ejaculation elemental ember_(angstrom) erection faceless_male fan_character female fire_elemental happy hi_res humanoid male male/female not_furry orgasm penis penis_base purple_background sex simple_background smile sweater titfuck undertale video_games  2016 angstrom anthro asriel_dreemurr bent_over big_breasts black_sclera boss_monster breasts butt caprine clothed clothing crossgender female goat hi_res horn leaning leaning_forward legwear long_ears mammal nipples panties seductive simple_background socks solo standing stockings thigh_highs topless undertale underwear video_games  2016 alligator angstrom anthro bratty_(undertale) breasts clothed clothing crocodilian female hi_res nipple_tape pasties purple_background reptile scalie simple_background solo tape twerking under_boob undertale video_games  <3 angry animated_skeleton bone clothed clothing digital_media_(artwork) drunk expression_sheet eyes_closed food glowing happy hi_res hoodie hot_dog ketchup laser male not_furry one_eye_closed raphaelzenarosa sad sans_(undertale) scarf skeleton sleeping smile sweat undead undertale video_games  aftertale alternate_universe angeltale animated_skeleton blush bone clothed clothing feathered_wings feathers flowey_the_flower geno_sans_(aftertale) glitch gold_(metal) gold_tooth group hi_res hoodie human jacket kissing male mammal not_furry outertale protagonist_(undertale) sans_(undertale) scarf sharp_teeth shy skeleton skull smile sweater teeth undead underfell underswap undertale video_games vines wings wounded yaya0709  <3 blush clothed clothing digital_media_(artwork) duo girly hair humanoid machine male male/male mettaton mettaton_ex not_furry robot selfcest simple_background smile square_crossover undertale unknown_artist video_games  animated_skeleton bed bedding blanket bone caprine clothed clothing english_text hi_res humanoid male mammal monochrome not_furry sans_(undertale) scared skeleton solo text thelostmoongazer undead undertale video_games wingdings  2016 animated_skeleton blush bone clothed clothing duo food male not_furry papyrus_(undertale) pasta sans_(undertale) skeleton smile spaghetti teeth undead undertale unknown_artist video_games  animated_skeleton bone cigarette clothed clothing hi_res hoodie humanoid male not_furry sans_(undertale) skeleton smoke smoking solo text thelostmoongazer undead undertale video_games  ahen3251 alternate_universe animated_skeleton bone clothed clothing hi_res hoodie male not_furry sans_(underfell) sans_(undertale) simple_background skeleton sweat undead underfell undertale video_games  alternate_universe altertale asgore_dreemurr bread clothed clothing english_text food friisans fur gloves human male mammal protagonist_(undertale) text undertale video_games