2016 4:5 animated_skeleton bedroom_eyes blush bodily_fluids bone border brother_(lore) brothers_(lore) clothing comic dialogue digital_media_(artwork) eli-sin-g_(artist) english_text half-closed_eyes male narrowed_eyes not_furry papyrus_(undertale) red_border sans_(undertale) seductive sibling_(lore) skeleton sweat text undead undertale undertale_(series)
anal anal_penetration anthro asgore_dreemurr boss_monster_(undertale) bovid caprine duo elemental_creature fire fire_creature from_behind_position grillby hi_res male male/male male_penetrated male_penetrating male_penetrating_male mammal penetration sex text tomis-jb translation_request undertale undertale_(series)
4:3 alternate_universe altertale ambiguous_gender amphibian animated_skeleton aquatic bone book chair clothed clothing dialogue duo english_text frisk_(undertale) frog froggit furniture hair hi_res hoodie human humanoid humor jokes male mammal monster open_mouth pun robe sans_(altertale) sans_(undertale) shocked sitting skeleton smile text thegreatrouge topwear undead undertale undertale_(series)
4:3 alternate_universe altertale ambiguous_gender angry animated_skeleton blush bone clothed clothing crown duo frisk_(undertale) group headgear hi_res hoodie human humanoid male mammal not_furry papyrus_(undertale) sans_(altertale) sans_(undertale) simple_background skeleton thegreatrouge topwear undead undertale undertale_(series)
alternate_universe altertale ambiguous_gender animated_skeleton bodily_fluids bone bottomwear chara_(undertale) clothed clothing denim denim_bottomwear denim_clothing footwear frisk_(undertale) gaster group hi_res human humanoid jeans mammal monster not_furry pants papyrus_(undertale) robe sans_(altertale) sans_(undertale) shoes simple_background skeleton slippers sneakers sweat sweater thegreatrouge topwear undead undertale undertale_(series)
2016 4:3 alternate_universe altertale ambiguous_gender animated_skeleton bodily_fluids bone chara_(undertale) clothed clothing crown crying dialogue digital_media_(artwork) english_text frisk_(undertale) gaster group headgear hi_res hoodie human humanoid ill male mammal papyrus_(undertale) profanity robe sans_(undertale) skeleton speech_bubble sweater tears text thegreatrouge topwear undead undertale undertale_(series)
4:3 alternate_universe altertale ambiguous_gender animated_skeleton bodily_fluids bone chara_(undertale) clothed clothing crying frisk_(undertale) gaster group hi_res hoodie human humanoid male mammal monster papyrus_(undertale) robe sans_(altertale) sans_(undertale) skeleton tears thegreatrouge topwear undead undertale undertale_(series)
11:8 absurd_res aftertale alternate_universe animated_skeleton blood bodily_fluids bone cigarette clothing dialogue english_text hi_res humanoid kerchief loverofpiggies not_furry papyrus_(afterswap) papyrus_(underswap) papyrus_(undertale) skeleton smoking solo text undead underswap undertale undertale_(series) wounded
absurd_res after_vore anthro asgore_dreemurr beard belly boss_monster_(undertale) bovid caprine english_text facial_hair hi_res horn male male_pred mammal mature_anthro mature_male monochrome navel rook_kawa simple_background solo text undertale undertale_(series) vore
absurd_res aftertale alternate_universe animated_skeleton blood bodily_fluids bone cigarette clothing hi_res humanoid kerchief loverofpiggies not_furry papyrus_(afterswap) papyrus_(underswap) papyrus_(undertale) skeleton smoking solo undead underswap undertale undertale_(series)
ambiguous_gender asriel_dreemurr boss_monster_(undertale) bovid caprine comic dialogue duo english_text frisk_(undertale) hi_res horn human humor long_ears male mammal plant potoobrigham text tire tire_swing tree undertale undertale_(series)
anthro asriel_dreemurr board boss_monster_(undertale) bovid caprine clothed clothing english_text fur karate keikogi long_ears male mammal martial_arts_uniform punch shinrai-fidelis simple_background solo sportswear text undertale undertale_(series) white_background white_body white_fur young young_anthro
anal anal_penetration animated_skeleton bed blush bone brother_(lore) brothers_(lore) clothed clothed_sex clothing duo erection furniture genitals humanoid incest_(lore) lizheru magic magic_penis male male/male male_penetrated male_penetrating male_penetrating_male not_furry orange_penis papyrus_(undertale) penetration penis sans_(undertale) sex sibling_(lore) skeleton undead undertale undertale_(series) watermark
ambiguous_gender anthro asriel_dreemurr asriel_dreemurr_(god_form) boss_monster_(undertale) bovid caprine duo fangs hi_res horn long_ears mammal melee_weapon monochrome potoobrigham sword teeth time_paradox undertale undertale_(series) weapon
1:1 2015 alcohol animated_skeleton beanie beard beer beverage bone bottle clothing container crossover demoman_(team_fortress_2) drunk duo explosives eye_patch eyewear facial_hair filtrandez grenade hat headgear headwear hi_res holding_bottle holding_container holding_object hoodie humanoid male not_furry reliable_excavation_demolition sans_(undertale) skeleton substance_intoxication team_fortress_2 topwear undead undertale undertale_(series) valve valve_corporation weapon
4_fingers clothing electronics fingers gloves handwear hi_res machine mettaton microphone not_furry purple_background robot signature simple_background smile solo spotlight sr_pelo undertale undertale_(series) wheel
animated_skeleton blush bodily_fluids bone bones-n-boners bukkake clothed clothed_sex clothing cum cum_in_mouth cum_inside cum_on_face cum_on_tongue digital_media_(artwork) disembodied_penis erection genital_fluids genitals glowing glowing_eyes group heart_symbol hi_res humanoid_genitalia humanoid_penis implied_incest magic magic_penis male male/male not_furry papyrus_(undertale) penis sex skeleton solo_focus tongue tongue_out undead undertale undertale_(series)
animated_skeleton blush bodily_fluids bone bones-n-boners bukkake clothed clothed_sex clothing colored_cum cum cum_on_face cum_on_tongue digital_media_(artwork) disembodied_penis double_handjob erection genital_fluids genitals glowing glowing_eyes group handjob heart_symbol humanoid_genitalia humanoid_penis implied_incest magic magic_penis male male/male not_furry penile penis sans_(undertale) sex skeleton solo_focus tongue tongue_out undead undertale undertale_(series) unusual_bodily_fluids unusual_cum unusual_genital_fluids yellow_cum
alpha_channel animated_skeleton anthro blush bone boss_monster_(undertale) bovid brother_(lore) brothers_(lore) caprine clothing english_text eyes_closed female fur gesture glowing glowing_eyes group horn hug incest_(lore) kissing long_ears low_five magic male male/male mammal onomatopoeia papyrus_(undertale) red_eyes sans_(undertale) sharp_teeth sibling_(lore) simple_background skeleton smile sound_effects teeth text toriel undead undertale undertale_(series) unknown_artist white_body white_fur wingman_low_five
anal anal_penetration animated_skeleton blush bone brother_(lore) brothers_(lore) clothed clothed_sex clothing dialogue duo english_text heart_eyes heart_symbol hi_res incest_(lore) male male/male male_penetrated male_penetrating male_penetrating_male not_furry papyrus_(undertale) penetration sans_(undertale) sex sibling_(lore) skeleton text theyaois_(artist) undead undertale undertale_(series)
alternate_universe altertale animated_skeleton bone clothing dialogue ellipsis english_text friisans hi_res humanoid male not_furry papyrus_(undertale) skeleton solo text undead undertale undertale_(series)
alterfell alternate_universe altertale animated_skeleton blood bodily_fluids bone cape clothed clothing duo friisans gold_(metal) gold_tooth hi_res hood male not_furry papyrus_(alterfell) papyrus_(undertale) robe sans_(alterfell) sans_(undertale) simple_background skeleton skull undead underfell undertale undertale_(series) white_background
alternate_universe animated_skeleton apocalypse_au_(undertale) bone broken_glass clothed clothing crystal gas_mask glass gloves hair handwear hi_res jacket kkhoppang male mask not_furry sans_(undertale) skeleton solo topwear undead undertale undertale_(series)
alternate_universe android apocalypse_au_(undertale) boots clothing footwear gloves hair handwear hi_res high_heeled_boots high_heels humanoid kkhoppang machine mettaton mettaton_ex not_furry robot robot_humanoid shoes tire undertale undertale_(series)
alternate_universe apocalypse_au_(undertale) bob_(undertale) canid canine clothed clothing gas_mask hi_res kkhoppang mammal mask supplies tem temmie_(undertale) truck undertale undertale_(series) vehicle
alternate_universe anthro apocalypse_au_(undertale) aquatic armor blind_eye clothed clothing female fish gas_mask gloves hair handwear hi_res hood jacket kkhoppang mask scar simple_background topwear undertale undertale_(series) undyne white_background
alternate_universe animated_skeleton armor bone boots cape clothed clothing fantasytale footwear gloves handwear hi_res le-poofe male melee_weapon not_furry papyrus_(undertale) shoes skeleton skull smile sword undead undertale undertale_(series) weapon
5:6 alternate_universe aquatic armor bossxmonsters error errortale eye_patch eyewear fish glitch goo-connected_lips hi_res melee_weapon polearm solo spear undertale undertale_(series) undyne undyne_the_undying weapon
alternate_universe anal anal_penetration animated_skeleton bed bedroom blush bodily_fluids bone brother_(lore) brothers_(lore) cigarette clothed clothed_sex clothing drooling duo erection furniture genitals glowing glowing_genitalia glowing_penis incest_(lore) lizheru looking_pleasured magic magic_penis male male/male male_penetrated male_penetrating male_penetrating_male not_furry papyrus_(undertale) penetration penis saliva sans_(undertale) sex sibling_(lore) skeletal_anus skeleton smoking tongue tongue_out undead underswap undertale undertale_(series)
alternate_universe altertale animated_skeleton bedding blanket bone clothed clothing english_text friisans hi_res hoodie name_sign not_furry sans_(altertale) sans_(undertale) skeleton smile text topwear undead undertale undertale_(series)
absurd_res alternate_universe altertale animated_skeleton anthro blush bone boss_monster_(undertale) bovid caprine clothed clothing duo eyes_closed female fur heart_symbol hi_res hoodie horn mammal obito-necko robe sans_(altertale) sans_(undertale) skeleton smile topwear toriel toriel_(altertale) undead undertale undertale_(series) white_body white_fur
2016 animated_skeleton blush bone brother_(lore) brothers_(lore) dialogue duo english_text humanoid incest_(lore) inside looking_pleasured male male/male not_furry nude orange_blush papyrus_(undertale) red-roka sans_(undertale) sex sibling_(lore) skeleton soul text undead undertale undertale_(series)
absurd_res alternate_universe altertale animated_skeleton bone clothed clothing digital_media_(artwork) english_text friisans gaster gaster_(altertale) hi_res jewelry locket male necklace not_furry robe sharp_teeth skeleton skull smile solo teeth text undead undertale undertale_(series)
alternate_universe altertale animated_skeleton blush bone bottomwear clothed clothing digital_media_(artwork) english_text flower footwear friisans gaster gaster_(altertale) hi_res leaf legwear long_sleeves male not_furry pants plant shoes skeleton skull smile sneakers solo sweater text topwear undead undertale undertale_(series)
2018 abs alligator alligatorid anatomically_correct animal_genitalia animal_penis anthro athletic bea_santello bodily_fluids bratty_(undertale) breasts canid canine canine_genitalia canine_penis canis cigarette clothed clothing crocodilian crossover cum cum_in_mouth cum_inside digitigrade doggo_(undertale) domestic_dog drinking drinking_cum erection faceless_character faceless_male fellatio female genital_fluids genitals group hand_in_pants knot looking_pleasured male male/female mammal masturbation muscular muscular_female navel neck_bulge night_in_the_woods nipples non-mammal_nipples oral penile penis reptile scalie sex smile smoking swallowing tail tala128 topless undertale undertale_(series) vulva
5:6 ambiguous_gender anthro asriel_dreemurr boss_monster_(undertale) bovid caprine carrying_another chocolatechippi duo elemental_creature flora_fauna flower flowey_the_flower hi_res male mammal plant square_crossover undertale undertale_(series) young young_anthro young_male
0r0ch1 16:9 4k absurd_res anthro asriel_dreemurr_(god_form) bedroom_eyes boots boss_monster_(undertale) bovid caprine clothing curvy_figure feet femboy footwear half-closed_eyes hi_res high_heels legwear male mammal narrowed_eyes newblueart paws royalty seductive shoes side_slit side_slit_dress simple_background slit_dress solo thick_thighs thigh_boots thigh_highs toeless_footwear toeless_shoes undertale undertale_(series) wide_hips widescreen
1:1 2d_animation alternate_universe animated animated_gif animated_skeleton bone brother_(lore) brothers_(lore) duo incest_(lore) kissing male male/male misleading_thumbnail monster not_furry nsfwshamecave papyrus_(undertale) sans_(undertale) short_playtime sibling_(lore) skeleton undead underswap undertale undertale_(series)
clothed clothing cosplay crossdressing crossover elemental_creature elemental_humanoid eyewear fire fire_creature fire_humanoid glasses grillby humanoid male not_furry parody pose sailor_mars sailor_moon_(series) solo undertale undertale_(series) unknown_artist
5:4 aftertale alternate_universe animated_skeleton blood bodily_fluids body_control bone clothed clothing duo error errortale geno_sans_(aftertale) glitch gold_(metal) gold_tooth hi_res hoodie loverofpiggies male nightmare_fuel not_furry puppet puppet_strings puppeteer sans_(errortale) sans_(undertale) skeleton skull smile soul string text topwear undead underfell undertale undertale_(series) wounded
absurd_res angry animated_skeleton bodily_fluids bone clothed clothing digital_media_(artwork) drunk english_text expression_sheet eyes_closed food glowing happy heart_symbol hi_res hoodie hot_dog ketchup laser male not_furry one_eye_closed raphaelzenarosa sad sans_(undertale) scarf skeleton sleeping smile substance_intoxication sweat text topwear undead undertale undertale_(series)
aftertale alternate_universe angeltale animated_skeleton blush bone clothed clothing feathered_wings feathers flowey_the_flower frisk_(undertale) geno_sans_(aftertale) glitch gold_(metal) gold_tooth group hi_res hoodie human jacket kissing male mammal not_furry outertale plant sans_(undertale) scarf sharp_teeth shy skeleton skull smile sweater teeth topwear undead underfell underswap undertale undertale_(series) vines wings wounded yaya0709
alpha_channel android blush clothed clothing digital_media_(artwork) duo femboy hair heart_symbol humanoid machine male male/male mettaton_ex not_furry robot robot_humanoid selfcest simple_background smile square_crossover undertale undertale_(series) unknown_artist
1:1 animated_skeleton bed bedding blanket bone character_cipher clothed clothing english_text furniture glowing_pupils hi_res humanoid male monochrome not_furry restricted_palette sans_(undertale) scared skeleton solo speech_change spot_color text thelostmoongazer translation_request undead undertale undertale_(series) wingdings_text
2016 animated_skeleton anterior_nasal_aperture blush bone clothed clothing duo food hi_res male not_furry papyrus_(undertale) pasta sans_(undertale) skeleton smile spaghetti teeth undead undertale undertale_(series) unknown_artist
1:1 animated_skeleton bone cigarette clothed clothing hi_res hoodie humanoid male not_furry sans_(swapswap) sans_(undertale) skeleton smoke smoking solo swapswap text thelostmoongazer topwear undead undertale undertale_(series)
ahen3251 alternate_universe animated_skeleton bodily_fluids bone clothed clothing duo hi_res hoodie male not_furry sans_(underfell) sans_(undertale) simple_background skeleton sweat topwear undead underfell undertale undertale_(series)
alternate_universe altertale asgore_(altertale) asgore_dreemurr bread clothed clothing duo english_text food friisans frisk_(undertale) fur gloves handwear hi_res human male mammal text undertale undertale_(series)
absurd_res alternate_universe animated_skeleton anterior_nasal_aperture bone chappietriggerhappy clothed clothing cputale english_text glitch hi_res hoodie male markings not_furry sans_(undertale) skeleton skull smile text topwear undead undertale undertale_(series)
2015 3:4 anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro asgore_dreemurr beard blonde_hair blush bodily_fluids boss_monster_(undertale) bovid breasts caprine cum cum_in_vagina cum_inside duo erection eyes_closed facial_hair fazzfuck female female_penetrated from_behind_position fur genital_fluids genitals hair horn long_ears male male/female male_penetrating male_penetrating_female mammal mature_anthro mature_female mature_male nude penetration penile penile_penetration penis penis_in_vagina raised_leg sex toriel undertale undertale_(series) vaginal vaginal_penetration vulva white_body white_fur
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