anthro big_breasts bone breasts clothed clothing digital_media_(artwork) english_text eye_patch eyewear female fish ghost grope hair humanoid lizard male marine monster muscular napstablook papyrus_(undertale) red_hair reptile sans_(undertale) scalie sido魂 simple_background skeleton smile spirit surprise text underground undertale undyne video_games  ambiguous_gender anthro bone clothed clothing digital_media_(artwork) english_text female fish hair human lizard male mammal marine mi_lunuo_sterling monster papyrus_(undertale) protagonist_(undertale) red_hair reptile scalie scarf skeleton smile text undead underground undertale undyne video_games  animated_skeleton bone chain eyewear food fruit group halloween holidays human mammal ningenzoo papyrus_(undertale) protagonist_(undertale) pumpkin sans_(undertale) skeleton slippers star sunglasses undead undertale video_games vines  ambiguous_gender anthro bone clothed clothing digital_media_(artwork) english_text eyes_closed group hair hi_res human male mammal mi_lunuo_sterling monster not_furry open_mouth papyrus_(undertale) protagonist_(undertale) sans_(undertale) simple_background skeleton smile standing tears text undead underground undertale video_games  2016 animated_skeleton bone clothed clothing embrace eyes_closed happy kissing male not_furry papyrus_(undertale) sans_(undertale) skeleton smile undead undertale unknown_artist video_games  2016 animated_skeleton blush bone clothing cute lizherubones male night not_furry outside papyrus_(undertale) sans_(undertale) skeleton sky smile star undead undertale video_games  ? bbdanbb black_and_white clothed clothing comic duo eyes_closed hair human mammal monochrome papyrus_(undertale) protagonist_(undertale) undertale video_games  ambiguous_gender angry animated_skeleton bone chara_(undertale) clothed clothing comic dialogue english_text group human loverofpiggies male mammal not_furry open_mouth papyrus_(undertale) protagonist_(undertale) sans_(undertale) skeleton speech_bubble teeth text tongue undead undertale video_games  ambiguous_gender animated_skeleton bone chara_(undertale) clothed clothing comic dialogue english_text group human loverofpiggies male mammal not_furry open_mouth papyrus_(undertale) protagonist_(undertale) sans_(undertale) skeleton speech_bubble teeth text tongue undead undertale video_games  <3 2016 animated_skeleton blush bone bottomless clothed clothing eyes_closed kissing male male/male not_furry papyrus_(undertale) sans_(undertale) simple_background skeleton undead undertale unknown_artist video_games white_background  2boys 5koma androgynous caribun christmas coat comic dark_souls english frisk_(undertale) gravelord_nito greyscale hat highres long_image md5_mismatch monochrome multiple_boys no_eyes papyrus_(undertale) sans scarf skeleton smile souls_(from_software) stitched tall_image third-party_edit typo undertale winter_clothes winter_coat  <3 <3_eyes 2016 alphys animated_skeleton anthro bone boss_monster caprine female fish goat human lizard male mammal marine papyrus_(undertale) protagonist_(undertale) reptile sans_(undertale) scalie skeleton toriel undead undertale undyne unknown_artist video_games  2boys 2koma ^_^ arial_(font) blue_jacket blush_stickers brothers closed_eyes comic comic_sans commentary crossover english gloves grin hands_up hat highres hood hooded_jacket index_finger_raised jacket letty_whiterock light_blue_hair long_sleeves monster_boy multiple_boys open_mouth papyrus_(font) papyrus_(undertale) pun red_gloves red_scarf round_teeth sans scarf siblings skeleton smile snowing teeth touhou undertale white_hat white_scarf wide_sleeves yatsunote  animated_skeleton bone boneknapper chameshida crossover dragon horn hotburple how_to_train_your_dragon papyrus_(undertale) sans_(undertale) simple_background skeleton undead undertale video_games wings  asgore_dreemurr blush face_lick karsismf97 male male/male papyrus_(undertale) sans_(undertale) sign text undertale video_games  ! ... 2016 ? absurd_res animated_skeleton anthro atlas-white bed bedding beverage blanket blue_eyes bone clothed clothing coffee comic cup dialogue digital_media_(artwork) duo duo_focus english_text eyes_closed eyewear glowing glowing_eyes group hi_res inside male monster nervous open_mouth pain papyrus_(undertale) pillow sans_(undertale) signature sitting skeleton smile speech_bubble teeth text undead undertale video_games  animated_skeleton bone english_text papyrus_(undertale) sans_(undertale) simple_background skeleton text undead undertale video_games yin-meep  animated_skeleton bone boss_monster caprine english_text goat mammal papyrus_(undertale) sans_(undertale) simple_background skeleton text toriel undead undertale video_games yin-meep  animated_skeleton asgore_dreemurr bone boss_monster caprine english_text goat mammal papyrus_(undertale) sans_(undertale) simple_background skeleton text toriel undead undertale video_games yin-meep  alphys asgore_dreemurr cute dongoverlord food mettaton papyrus_(undertale) protagonist_(undertale) sans_(undertale) toriel undertale undyne video_games  animated_skeleton bone clothing dongoverlord door english_text eye_patch eyewear fish group hoodie marine papyrus_(undertale) sans_(undertale) scalie scarf skeleton text undead undertale undyne video_games  <3 <3_eyes animated animated_skeleton bone clothed clothed_sex clothing hoodie hugging_pillow human humanoid male male/male mammal not_furry papyrus_(undertale) penetration penis pillow sex skeleton undead undertale video_games  alterswap animated_skeleton bone boots cape clothing footwear friisans papyrus_(undertale) robes sans_(undertale) simple_background skeleton text undead undertale video_games white_background  ? 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absurd_res animated_skeleton anthro atlas-white bed bedding beverage blanket blue_eyes bone clothed clothing coffee comic cup dialogue digital_media_(artwork) duo duo_focus english_text eyes_closed eyewear glowing glowing_eyes group hi_res inside male monster nervous open_mouth papyrus_(undertale) pillow sans_(undertale) signature sitting skeleton smile speech_bubble teeth text undead undertale video_games  anthro black_and_white bone boss_monster child clothed clothing comic english_text eye_patch eyes_closed eyewear human humor male mammal monochrome monster_kid musical_instrument myrobotlandlord papyrus_(undertale) protagonist_(undertale) pun sans_(undertale) saxaphone simple_background skeleton text trombone undertale undyne video_games young  animated black_and_white bone boss_monster brother clothed clothing cupboard english_text humor male monochrome myrobotlandlord papyrus_(undertale) pun sans_(undertale) sibling simple_background sink skeleton text undertale video_games  alphys alternate_species animated_skeleton blue_fire blue_skin bone brother brown_eyes claws crossover detached_limb empty_eyes english_text female fire fish gills group lizard male marine nintendo open_mouth papyrus_(undertale) pokémon reptile sans_(undertale) scalie scarf sharp_teeth sibling simple_background skeleton skull smile spikes teeth text thegreatrouge undead undertale undyne video_games white_background yellow_eyes yellow_skin  alphys annoying_dog_(undertale) asgore_dreemurr black_and_white clothed clothing english_text eye_patch eyes_closed eyewear flower flowey_the_flower froggit gaster glasses grillby group happy headphones mad_dummy mettaton mnstrcndy monochrome monster_kid muffet napstablook nervous papyrus_(undertale) plant protagonist_(undertale) pyramidheaddezby sans_(undertale) simple_background stick text toriel undertale undyne veil video_games  2016 animated_skeleton bone dialogue duo english_text machine male mettaton not_furry papyrus_(undertale) robot robynrot skeleton text undead undertale video_games  2016 animated_skeleton bone dialogue duo english_text machine male mettaton not_furry papyrus_(undertale) robot robynrot skeleton text undead undertale video_games  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 bone duo machine male mettaton not_furry papyrus_(undertale) robot robynrot skeleton undead undertale video_games  2016 animated_skeleton bone dialogue duo english_text machine male mettaton not_furry papyrus_(undertale) robot robynrot skeleton text undead undertale video_games  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 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