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5:3 alphys animated_skeleton anthro aquatic blush bone breasts clothing digital_media_(artwork) english_text eye_patch eyewear female fish freckles glasses group hair humanoid lizard looking_at_viewer machine male mettaton mettaton_ex nsfwshamecave open_mouth papyrus_(undertale) red_hair reptile sans_(undertale) scalie simple_background skeleton smile teeth text tongue undead undertale undertale_(series) undyne

3:4 blush bored clothed clothing comic digital_media_(artwork) drag_(fashion) drag_king english_text group hair humanoid machine male mettaton mettaton_ex not_furry nsfwshamecave open_mouth robot silhouette sleeping smile solo_focus text underlust undertale undertale_(series)

3:4 android blush clothed clothing comic digital_media_(artwork) english_text eyewear glasses hair humanoid machine male mettaton mettaton_ex not_furry nsfwshamecave offscreen_character open_mouth robot robot_humanoid smile solo text underlust undertale undertale_(series)

3:4 bodily_fluids clothed clothing comic crying digital_media_(artwork) english_text eyewear glasses hair humanoid machine male mettaton mettaton_ex not_furry nsfwshamecave robot tears text underlust undertale undertale_(series)

3:4 animated_skeleton blush bodily_fluids bone clothed clothing comic crying digital_media_(artwork) english_text eyewear glasses group hair humanoid machine male mettaton mettaton_ex not_furry nsfwshamecave robot sans_(undertale) skeleton tears text undead underlust undertale undertale_(series)

3:4 blush bodily_fluids clothed clothing comic crying digital_media_(artwork) english_text hair humanoid machine male mettaton mettaton_ex not_furry nsfwshamecave robot tears text underlust undertale undertale_(series)

1990s_theme 3:5 alternate_universe animated_skeleton blush bone clothing colorful_theme comic dialogue english_text eyewear glasses heart_symbol male memphis_design not_furry nsfwshamecave papyrus_(undertale) profanity sans_(undertale) skateboard skateboarding skeleton speech_bubble text undead underfresh underlust undertale undertale_(series) vehicle

1990s_theme 3:5 alternate_universe animated_skeleton blush bodily_fluids bone clothing colorful_theme comic dialogue english_text eyewear fingerless_gloves glasses gloves glowing glowing_eyes handwear heart_symbol not_furry nsfwshamecave sans_(undertale) skeleton sweat text undead underfresh underlust undertale undertale_(series)

3:5 animated_skeleton blush bone brother_(lore) brothers_(lore) caught_in_the_act caught_masturbating clothing comic dialogue duo embarrassed english_text erection genitals glowing glowing_eyes glowing_genitalia glowing_penis humanoid humanoid_genitalia humanoid_penis magic magic_penis male masturbation not_furry nsfwshamecave papyrus_(undertale) penile penile_masturbation penis sans_(undertale) scarf sibling_(lore) skeleton text undead undertale undertale_(series) walk-in

3:5 animated_skeleton blush bone clothed clothed_sex clothing comic dialogue duo english_text erection genitals glowing glowing_eyes glowing_genitalia glowing_penis humanoid_genitalia humanoid_penis incest_(lore) interrobang kissing magic magic_penis male male/male multiple_scenes not_furry nsfwshamecave onomatopoeia papyrus_(undertale) penis sans_(undertale) sex skeleton sound_effects text undead undertale undertale_(series)

3:5 animated_skeleton blindfold blush bodily_fluids bone clothing comic dialogue drooling duo english_text erection genitals glowing glowing_genitalia glowing_penis heart_symbol humanoid_genitalia humanoid_penis incest_(lore) magic magic_penis male male/male masturbation multiple_scenes not_furry nsfwshamecave papyrus_(undertale) penile penile_masturbation penis saliva sans_(undertale) skeleton text undead undertale undertale_(series) voyeur

anthro asgore_dreemurr bdsm beard blonde_hair blush body_hair bondage boss_monster_(undertale) bound bovid breasts caprine clothing dominant dominant_female dominatrix duo facial_hair female fur hair happy_trail horn leash male male/female mammal mature_anthro mature_female mature_male muscular muscular_male nsfwshamecave pubes simple_background submissive submissive_male thick_thighs toriel undertale undertale_(series) white_background white_body white_fur

3:5 alternate_universe animated_skeleton blue_eyes blush bone caught_in_the_act clothing comic dialogue english_text male not_furry nsfwshamecave papyrus_(underfell) sans_(underswap) skeleton text undead underfell underswap undertale undertale_(series)

3:5 alternate_universe animated_skeleton blue_eyes blush bodily_fluids bone clothing comic dialogue english_text male not_furry nsfwshamecave papyrus_(underfell) sans_(underswap) skeleton sweat text undead underfell underswap undertale undertale_(series)

3:5 alternate_universe animated_skeleton blue_eyes blush bodily_fluids bone caught_in_the_act collar comic dialogue duo ellipsis english_text heart_symbol interrobang leash male male/male mistaken_identity multiple_scenes not_furry nsfwshamecave papyrus_(underfell) red_eyes sans_(underfell) sans_(underswap) skeleton submissive submissive_male suggestive surprised sweat text undead underfell underswap undertale undertale_(series)

1:1 2_frame_animation alternate_universe angry animated animated_gif animated_skeleton blue_eyes blush bone brother_(lore) brothers_(lore) clothed clothed_sex clothing collar confusion dominant dominant_male ellipsis erection fellatio genitals group heart_symbol humanoid humanoid_on_humanoid humanoid_penetrated humanoid_penetrating humanoid_penetrating_humanoid incest_(lore) leash loop male male/male male_penetrated male_penetrating male_penetrating_male mistaken_identity not_furry nsfwshamecave oral oral_only oral_penetration papyrus_(underfell) penetration penile penile_penetration penis penis_in_mouth question_mark sans_(underfell) sans_(underswap) sex short_playtime sibling_(lore) skeleton slideshow submissive submissive_male undead underfell underswap undertale undertale_(series)

alternate_universe anal anal_penetration animated_skeleton blush bodily_fluids bone breath clothed clothed_sex clothing cowboy digital_media_(artwork) duo erection genital_fluids genitals hi_res magic magic_flesh magic_penis male male/male male_penetrated male_penetrating male_penetrating_male not_furry nsfwshamecave oral panting papyrus_(underfell) papyrus_(underswap) papyrus_(undertale) penetration penis precum pseudo_incest_(lore) sans_(underswap) sex skeleton sweat tongue tongue_out undead underfell underswap undertale undertale_(series)

3:5 ambiguous_gender animated_skeleton blush bone box burger clothing comic container dialogue dildo ellipsis english_text food frisk_(undertale) heart_symbol human interrobang licking male mammal not_furry nsfwshamecave oral papyrus_(undertale) sans_(undertale) sex_toy simple_background skeleton sound_effects text tongue tongue_out undead undertale undertale_(series)

3:5 animated_skeleton blush bodily_fluids bone burger clothing comic dialogue ellipsis english_text food male not_furry nsfwshamecave onomatopoeia papyrus_(undertale) question_mark sans_(undertale) simple_background skeleton sound_effects sweat text undead undertale undertale_(series)

3:5 ambiguous_gender animated_skeleton blush bone clothing comic detachable detachable_penis dialogue door duo ellipsis english_text frisk_(undertale) genitals human licking magic magic_penis male mammal not_furry nsfwshamecave oral papyrus_(undertale) penis sans_(undertale) simple_background skeleton sound_effects text tongue tongue_out undead undertale undertale_(series)

3:5 ambiguous_gender animated_skeleton blush bodily_fluids bone clothing comic detachable detachable_penis dialogue ellipsis english_text frisk_(undertale) genitals heart_symbol human interrobang licking magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penis sans_(undertale) simple_background skeleton sweat text tongue tongue_out undead undertale undertale_(series)

3:5 anal anal_penetration animated_skeleton balls blush bone clothing comic detachable detachable_penis dialogue english_text erection exclamation_point frisk_(undertale) genitals heart_symbol human imminent_sex incest_(lore) interrobang magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penetration penis sans_(undertale) simple_background skeleton text tongue tongue_out undead undertale undertale_(series)

3:5 anal anal_penetration animated_skeleton balls blush bodily_fluids bone clothed clothed_sex clothing colored_cum comic cum cum_in_mouth cum_inside cum_on_body detachable detachable_penis dialogue ellipsis english_text erection frisk_(undertale) genital_fluids genitals heart_symbol human imminent_sex incest_(lore) kissing magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penetration penis precum sans_(undertale) sex simple_background skeleton text tongue tongue_out undead undertale undertale_(series) unusual_bodily_fluids unusual_cum unusual_genital_fluids

2016 ambiguous_gender animated_skeleton bone clothing comic dialogue english_text frisk_(undertale) human male mammal not_furry nsfwshamecave papyrus_(undertale) question_mark simple_background skeleton speech_bubble text undead undertale undertale_(series)

2016 ambiguous_gender animated_skeleton bone clothing comic dialogue ellipsis english_text frisk_(undertale) human idea interrobang light_bulb male mammal not_furry nsfwshamecave papyrus_(undertale) simple_background skeleton speech_bubble text undead undertale undertale_(series)

animated_skeleton blush bone clothing comic dialogue duo ellipsis english_text female frisk_(undertale) genitals heart_symbol human male mammal not_furry nsfwshamecave papyrus_(undertale) skeleton speech_bubble stripes text undead undertale undertale_(series) undressing vulva

animated_skeleton barefoot bed blush bodily_fluids bone clothing comic dialogue english_text exclamation_point feet female food frisk_(undertale) furniture group heart_symbol human imminent_sex interrobang ketchup male mammal not_furry nsfwshamecave papyrus_(undertale) question_mark sans_(undertale) skeleton sweat text undead undertale undertale_(series)

animated_skeleton barefoot bed blush bone brown_hair clothing comic dialogue duo_focus english_text erection exclamation_point feet female food frisk_(undertale) furniture genitals group hair heart_symbol human imminent_sex magic magic_penis male male/female mammal not_furry nsfwshamecave papyrus_(undertale) pattern_clothing pattern_topwear penis skeleton speech_bubble striped_clothing striped_topwear stripes text topwear undead undertale undertale_(series)

animated_skeleton bed blush bodily_fluids bone clothed clothed_sex clothing comic dialogue english_text erection exclamation_point female frisk_(undertale) furniture genitals group heart_symbol human magic magic_penis male male/female mammal not_furry nsfwshamecave papyrus_(undertale) penis sans_(undertale) sex skeleton sweat text undead undertale undertale_(series)

1:1 animated_skeleton barefoot blush bone brown_hair clothed clothed_sex clothing comic dialogue english_text erection feet female frisk_(undertale) genitals group hair human looking_at_another magic magic_penis male male/female mammal masturbation not_furry nsfwshamecave papyrus_(undertale) pattern_clothing pattern_topwear peeping penis sans_(undertale) sex skeleton striped_clothing striped_topwear stripes text toes tongue tongue_out topwear undead undertale undertale_(series) voyeur

animated_skeleton barefoot blush bodily_fluids bone clothed clothed_sex clothing colored_cum comic cum cum_in_vagina cum_inside dialogue duo english_text feet female frisk_(undertale) genital_fluids human male male/female mammal not_furry nsfwshamecave papyrus_(undertale) pattern_clothing pattern_topwear sex skeleton speech_bubble striped_clothing striped_topwear stripes sweat text toes tongue tongue_out topwear undead undertale undertale_(series) unusual_bodily_fluids unusual_cum unusual_genital_fluids

animated_skeleton blush bodily_fluids bone caught_in_the_act clothing comic dialogue english_text female frisk_(undertale) human male mammal not_furry nsfwshamecave papyrus_(undertale) sans_(undertale) skeleton suggestive sweat text undead undertale undertale_(series)

animated_skeleton blush bone clothing comic dialogue ellipsis english_text erection female frisk_(undertale) genitals group human imminent_sex magic magic_penis male mammal not_furry nsfwshamecave papyrus_(undertale) penis sans_(undertale) skeleton text undead undertale undertale_(series)

animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text erection fellatio female frisk_(undertale) genitals group heart_symbol human incest_(lore) magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penile penis sans_(undertale) sex skeleton text tongue tongue_out undead undertale undertale_(series)

animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text erection fellatio female frisk_(undertale) genitals group human incest_(lore) looking_pleasured magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penile penis question_mark sans_(undertale) sex skeleton text tongue tongue_out undead undertale undertale_(series)

animated_skeleton blush bone clothed clothed_sex clothing comic dialogue english_text erection fellatio female frisk_(undertale) genitals group human incest_(lore) looking_pleasured magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penile penis sans_(undertale) sex skeleton text tongue tongue_out undead undertale undertale_(series)

animated_skeleton blush bodily_fluids bone clothed clothed_sex clothing colored_cum comic cum cum_in_mouth cum_inside dialogue english_text erection fellatio female frisk_(undertale) genital_fluids genitals group heart_symbol human incest_(lore) looking_pleasured magic magic_penis male male/male mammal multiple_scenes not_furry nsfwshamecave oral papyrus_(undertale) penile penis sans_(undertale) sex skeleton text tongue tongue_out undead undertale undertale_(series) unusual_bodily_fluids unusual_cum unusual_genital_fluids

animated_skeleton blush bone comic dialogue english_text female frisk_(undertale) heart_symbol human kissing machine male male/male mammal mettaton mettaton_ex multiple_scenes not_furry nsfwshamecave onomatopoeia papyrus_(undertale) robot skeleton sound_effects speech_bubble text tongue tongue_out undead undertale undertale_(series)

angry animated_skeleton blush bone clothing comic dialogue english_text exclamation_point frisk_(undertale) heart_symbol human machine male mammal mettaton mettaton_ex not_furry nsfwshamecave robot sans_(undertale) skeleton text undead undertale undertale_(series)

animated_skeleton bdsm blush bodily_fluids bondage bone bound collar dialogue duo ellipsis english_text erection genitals grey_background heart_eyes heart_symbol humanoid imminent_sex leash machine male male/male mettaton mettaton_ex not_furry nsfwshamecave papyrus_(undertale) penis riding_crop robot simple_background skeleton speech_bubble submissive submissive_male sweat text undead undertale undertale_(series) whip

16:10 alternate_universe animated_skeleton blush bodily_fluids bone clothed clothed_sex clothing colored_cum cum cum_on_face cum_on_hand cum_on_tongue english_text genital_fluids glowing glowing_eyes group heart_symbol male male/male not_furry nsfwshamecave sans_(underfell) sans_(underlust) sans_(underswap) sans_(undertale) sex skeleton text tongue tongue_out undead underfell underlust underswap undertale undertale_(series) unusual_bodily_fluids unusual_cum unusual_genital_fluids widescreen

1:2 alternate_universe animated_skeleton blush bone clothing heart_symbol humanoid incest_(lore) kissing kissing_neck male not_furry nsfwshamecave papyrus_(underfell) papyrus_(underswap) papyrus_(undertale) question_mark sans_(underfell) sans_(underswap) sans_(undertale) skeleton surprised undead underfell underswap undertale undertale_(series)

1:2 andromorph animated_skeleton blush bodily_fluids bone comic dialogue digital_media_(artwork) duo english_text eyes_closed genital_fluids genitals heart_eyes heart_symbol humanoid imminent_incest imminent_sex intersex male masturbation not_furry nsfwshamecave papyrus_(undertale) sans_(undertale) sibling_(lore) skeleton speech_bubble text undead undertale undertale_(series) vaginal_fluids vulva

1:2 andromorph animated_skeleton blush bodily_fluids bone comic dialogue digital_media_(artwork) duo english_text eyes_closed genital_fluids genitals heart_symbol humanoid imminent_sex incest_(lore) intersex intersex/male male not_furry nsfwshamecave oral papyrus_(undertale) sans_(undertale) skeleton speech_bubble sweat text tongue undead undertale undertale_(series) vaginal_fluids vulva

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)

3:5 ambiguous_gender animated_skeleton bone clothing comic dialogue ellipsis english_text frisk_(undertale) heart_symbol human lock male mammal not_furry nsfwshamecave papyrus_(undertale) sans_(undertale) simple_background skeleton sound_effects text undead undertale undertale_(series)

3:5 alphys android anthro blush clothed clothing comic dialogue digital_media_(artwork) duo english_text eyewear glasses hair humanoid long_hair machine male mettaton_ex nsfwshamecave open_mouth reptile robot robot_humanoid scalie simple_background text underlust undertale undertale_(series)

3:5 clothed clothing comic dialogue digital_media_(artwork) english_text flashback forced group hair humanoid imminent_rape imminent_sex long_hair machine male mettaton mettaton_ex not_furry nsfwshamecave open_mouth robot robot_humanoid solo_focus text underlust undertale undertale_(series)

3:5 alphys anal anal_penetration anthro beaten bodily_fluids clothed clothing dialogue digital_media_(artwork) duo_focus english_text female flashback forced gore group hair humanoid long_hair machine male male/male mettaton mettaton_ex multiple_scenes nsfwshamecave open_mouth penetration rape reptile robot scalie sex tears teeth text tongue tongue_out underlust undertale undertale_(series) wounded

3:5 alphys android anthro beaten bodily_fluids clothed clothing comic dialogue digital_media_(artwork) duo english_text female flashback hair humanoid lizard long_hair machine male mettaton_ex nsfwshamecave open_mouth reptile robot robot_humanoid scalie tears text underlust undertale undertale_(series) wounded