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1boy 2010s 2016 2d 2d_(artwork) animated_skeleton blue_blush blue_penis blush bodily_fluids chair closed_eyes clothed clothed_male clothing digital_media_(artwork) ectopenis fluids full_body genital_fluids hooded_jacket hoodie humanoid implied_bondage jacket male male_only malesub monster monster_boy penis penis_out pink_slippers sans sans_(undertale) shirt_pulled_up shirt_up sitting sitting_on_chair skeleton slippers small_penis smooth_penis solo_male submissive submissive_male sweat undead undertale undertale_(series) video_game_character video_games white_background xisin

animated_skeletonblue_blush

1boy 2016 2d after_autofellatio after_oral alkipunch alternate_version_available animated_skeleton artist_name ass autofellatio blue_blush blue_penis blue_tongue blush blushing bone closed_eyes clothed clothing cum cum_on_face cum_on_own_face cum_on_self cumshot digital_media ectopenis ectotongue ejaculation erection fangs forked_tongue genitals grabbing_sheets gripping_sheets highres hooded_jacket hoodie humanoid jacket male male_masturbation male_only masturbation monster open_mouth orgasm penis sans_(undertale) sequential skeleton sneakers solo solo_male sweat third-party_source tongue undead undertale undertale_(series) video_game_character video_games

after_autofellatioafter_oral

1boy 2016 2d alkipunch alternate_version_available animated_skeleton artist_name ass autofellatio blue_blush blue_penis blush blushing bone clothed clothing digital_media ectopenis erection fellatio genitals grabbing_sheets gripping_sheets highres hooded_jacket hoodie humanoid jacket male male_masturbation male_only masturbation monster oral penis sans_(undertale) sequential skeleton sneakers solo solo_male sucking_penis sweat third-party_source undead undertale undertale_(series) video_game_character video_games

alkipunchalternate_version_available

1boy 2016 2d animated_skeleton bittersweetdeath blue_background blue_blush blue_penis blush closed_eyes cum cumshot digital_media ectopenis ejaculation green_background male male_only masturbation micro micro_male miniboy monster onomatopoeia orgasm penis phone sans_(undertale) simple_background skeleton smartphone smooth_penis solid_color_background solo_male sweat teeth undead undertale undertale_(series) vibrating video_games

animated_skeletonbittersweetdeath

2016 2boys 2d animated_skeleton bigger_male bottom_sans clothed clothed/nude clothing completely_nude digital_media duo elemental_creature elemental_humanoid eyewear facing_another fire_elemental glasses grillby grillsans height_difference humanoid jipshin larger_male looking_at_another male male_only monochrome monster monster_boy nude sans_(undertale) seme_grillby simple_background sitting sitting_on_another sitting_on_lap skeleton smaller_male teeth top_grillby undead undertale undertale_(series) white_background yaoi

animated_skeletonbigger_male

!! 1boy 2016 2d animated_skeleton biting_clothes biting_shirt blue_penis clothed clothing digital_media drooling ectopenis fluids genital_fluids genitals hooded_jacket hoodie humanoid jacket male male_masturbation male_only masturbation monster monster_boy pants_around_legs pants_around_thighs pants_down penile penile_masturbation penis sans_(undertale) shirt_up simple_background skeleton solo_male sweat trembling undead undertale undertale_(series) video_game_character video_games xisin

!!animated_skeleton

1boy 2016 2d animated_skeleton blue_blush blue_hoodie blue_jacket blue_penis blush clothed clothing digital_media dinkynsfw drawstring ectopenis foreskin hand_in_pocket hand_on_table heart-shaped_pupils heart_eyes hood hood_down hooded_jacket hoodie humanoid jacket male male_focus male_only monster open_jacket penis penis_out sans_(undertale) skeleton smooth_penis solo_male sweat teeth undead undertale undertale_(series) white_background

animated_skeletonblue_blush

1boy 2016 2d ambiguous_gender animal animated_skeleton avian bird clothed clothing cockatiel digital_media dominant_feral duo english_text eyes_wide_open feral feral_on_male humanoid implied_bestiality implied_zoophilia jacket male male_focus monochrome monster myrobotlandlord parrot pervert sans_(undertale) skeleton slippers submissive_humanoid surprised text undead undertale undertale_(series) undressing undressing_another unzipping unzipping_with_mouth video_game_character video_games white_background wide_eyed

ambiguous_genderanimal

1boy 1cuntboy 2016 2d animated_skeleton blanket bottom_sans brother/brother brother_penetrating_brother brothers comic comic_page couch couch_sex cum cum_in_pussy cuntboy cuntboysub digital_media dominant_male duo ectopenis ectopussy edit eli-sin-g english_text fontcest from_front_position humanoid imminent_sex incest intraspecies kolesjoie long_image male male/cuntboy male_penetrating maledom monster monster_boy multiple_images on_couch papyrus_(font) papyrus_(undertale) papysans pussy sans_(undertale) sequential sex sibling_incest siblings skeleton submissive_cuntboy tall_image text third-party_edit top_papyrus undead undertale undertale_(series) veiny_penis video_games yaoi

animated_skeletonblanket

1boy 2016 2d anal animated_skeleton bottom_sans clothed clothing crying crying_with_eyes_open digital_media english_text grabbing_sheets gripping_sheets humanoid lying male male_focus male_only monster on_stomach pants_around_legs pants_down penetration penetration_from_behind sans_(undertale) skeleton solo submissive tears tentacle tentacle_penetration tentacle_sex tentacles_on_male text theyaois thrusting undead undertale undertale_(series) white_background

analanimated_skeleton

1boy 2016 2d :3 barbed_penis blush_stickers digital_media english_text flora_fauna flower flowey_(undertale) looking_at_viewer male male_only penis penis_focus plant plant_penis precum purple_background simple_background solid_color_background solo stare text top_flowey undertale undertale_(series) unknown_artist video_games vines yellow_flower

2016 2boys 2d alternate_costume amortem-kun animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_hoodie blue_jacket blue_slippers blush boots bottom_sans brother/brother brothers brown_shoes chair clothed clothing couch digital_media duo ectotongue fontcest formal formal_clothes formal_wear furniture gloves hand_in_pocket hands_on_own_hips height_difference hooded_jacket hoodie humanoid incest intraspecies jacket kissing larger_male licking licking_neck male male/male male_only monster monster_boy multiple_views neck_tie necktie necktie_grab on_chair on_couch on_stool orange_blush orange_necktie orange_tongue papyrus_(undertale) papysans red_boots red_gloves sans_(undertale) shoes shorter_male sibling_incest siblings simple_background sitting size_difference skeleton slippers small_sub smaller_male smaller_sub smaller_sub_bigger_dom socks standing stool suit taller_male teeth top_papyrus undead undertale undertale_(series) video_game_character video_games white_background yaoi

alternate_costumeamortem-kun

1:1 1:1_aspect_ratio 1boy 1boy1girl 1girl 2016 2d animated_skeleton artist_name big_breasts blue_blush blue_body blue_breasts blue_jacket blue_nipples blush breasts brother/sister brother_and_sister clothed_male digital_media duo ectobody ectobreasts ectotongue female_sans fontcest genderswap genderswap_(mtf) grey_background hooded_jacket hoodie incest intraspecies jacket licking licking_nipples male memeshero monster nipples nursing off_shoulder off_shoulders orange_blush orange_tongue papyrus_(undertale) papysans partially_clothed sans_(undertale) sibling_incest siblings simple_background skeleton solid_color_background sucking_nipples undead undertale undertale_(series) upper_body video_game_character video_games

animated_skeletonartist_name

1boy 1girl 2010s 2016 anthro anthro_only blanket blue_background canid canine canis canon_couple commission couple dashraptor dog dog_boy dog_girl dogamy dogaressa domestic_dog female female_anthro furry furry_female furry_male furry_only hand_on_another's_head hand_on_another's_stomach hand_on_belly hand_on_head heart hetero husband_and_wife intimate intraspecies kissing male male/female male_anthro mammal monster monster_boy monster_girl nude petting petting_head straight tail tailwag undertale undertale_(series) wagging_tail white_body white_fur wholesome

anthroanthro_only

2016 2boys 2d animated_skeleton blue_tongue bottom_sans brother brother/brother brothers clothed comic comic_panel comic_sans digital_media duo ectopenis ectotongue edit english_text fellatio fellatio_pov fontcest genitals hand_on_another's_head humanoid incest intraspecies long_image male male/male male_only male_pov monochrome monster monster_boy multiple_images orange_penis papyrus_(font) papyrus_(undertale) papysans partially_colored penis penis_out pov sans_(undertale) sequential sibling_incest siblings skeleton sucking_penis talking tall_image teeth text third-party_edit tombone-jack tomis-jb tongue top_papyrus undead undertale undertale_(series) video_game_character video_games yaoi

animated_skeletonblue_tongue

1boy 2016 2d animated_skeleton bottom_sans clothed clothing digital_media grabbing_clothing hand_on_own_face humanoid male male_focus monster pulling_pants_down sans_(undertale) skeleton sketch solo_focus submissive theyaois undead undertale undertale_(series)

animated_skeletonbottom_sans

1girl 2016 2boys 2d 99percentloner animated_skeleton ass black_and_white blush blushing_male blushing_profusely bra breasts brothers comic digital_media english_text fish fish_girl holding holding_photo humanoid letter lineart looking_at_photo monster monster_girl panties papyrus_(undertale) partially_clothed partially_clothed_female photo_(object) sans_(undertale) siblings skeleton speech_bubble text trembling tumblr_username undead undertale undertale_(series) underwear undyne white_background

animated_skeletonass

1:1 1:1_aspect_ratio 1boy 2016 2d alternate_version_available animated_skeleton blue_blush blush clothed clothed_male clothing digital_media disembodied_hand disembodied_hands ectotongue glowing_eye groping hands humanoid itsdunklesans male male_focus malesub monster one_eye_closed sans_(undertale) simple_background skeleton solo_focus submissive submissive_male tongue undead undertale undertale_(series) video_game_character video_games

alternate_version_availableanimated_skeleton

1:1 1:1_aspect_ratio 1boy 2016 2d alternate_version_available animated_skeleton clothed clothed_male clothing digital_media disembodied_hand disembodied_hands ectotongue glowing_eye groping hands humanoid itsdunklesans male male_focus malesub monster one_eye_closed sans_(undertale) simple_background skeleton solo_focus submissive submissive_male tongue undead undertale undertale_(series) video_game_character video_games

alternate_version_availableanimated_skeleton

1boy 2016 2d animated_skeleton blue_blush blush bottom_sans bound bound_wrists bulge clothed digital_media drooling erection erection_under_clothes glowing glowing_genitalia grey_background humanoid itsdunklesans jacket kneel kneeling looking_at_viewer male male_only malesub monster profanity restrained restraints sans_(undertale) simple_background skeleton solid_color_background solo solo_male submissive submissive_male tears text tied_up undead undertale undertale_(series) video_game_character video_games

animated_skeletonblue_blush

1boy 2016 2d animated_skeleton blue_blush blush bottom_sans bulge clothed clothed_male clothing collar collar_and_leash digital_media drooling erection erection_under_clothes fully_clothed glowing glowing_genitalia hands_behind_head hooded_jacket hoodie humanoid itsdunklesans jacket leash leash_and_collar legs_apart male male_focus male_only malesub monster partially_colored sans_(undertale) simple_background skeleton slippers solo_male submissive submissive_male sweat undead undertale undertale_(series) video_game_character video_games white_background

animated_skeletonblue_blush

2016 2boys 2d alternate_version_available anal animated_skeleton artist_name artist_watermark big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_jacket blush bottom_sans brother/brother brother_penetrating_brother brothers clothed clothed_sex digital_media drooling duo ectotongue english_text fangs fontcest from_behind from_behind_position gay gloves heart-shaped_pupils humanoid incest intraspecies jacket laddinger larger_male larger_penetrating larger_penetrating_smaller male male/male male_focus male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy onomatopoeia orange_blush orange_tongue outside papyrus_(undertale) papysans penetration penetration_from_behind penetration_through_clothes public_sex red_gloves sans_(undertale) sex sex_from_behind sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_male smaller_penetrated smaller_sub smaller_sub_bigger_dom stealth_sex sweat text tongue top_papyrus undead undertale undertale_(series) video_game_character video_games visible_breath watermark x-ray yaoi

alternate_version_availableanal

2016 2boys 2d alternate_version_available anal animated_skeleton artist_name artist_watermark big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_jacket blush bottom_sans brother/brother brother_penetrating_brother brothers clothed clothed_sex digital_media drooling duo ectotongue english_text fangs fontcest from_behind from_behind_position gay gloves heart-shaped_pupils humanoid incest intraspecies jacket laddinger larger_male larger_penetrating larger_penetrating_smaller male male/male male_focus male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy onomatopoeia orange_blush orange_tongue outside papyrus_(undertale) papysans penetration penetration_from_behind penetration_through_clothes public_sex red_gloves sans_(undertale) sex sex_from_behind sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_male smaller_penetrated smaller_sub smaller_sub_bigger_dom stealth_sex sweat text tongue top_papyrus undead undertale undertale_(series) video_game_character video_games visible_breath watermark yaoi

alternate_version_availableanal

2016 2boys 2d alternate_version_available anal animated_skeleton artist_name artist_watermark big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_jacket blush bottom_sans brother/brother brother_penetrating_brother brothers clothed clothed_sex digital_media drooling duo ectotongue english_text fangs fontcest from_behind from_behind_position gay gloves heart-shaped_pupils humanoid incest intraspecies jacket laddinger larger_male larger_penetrating larger_penetrating_smaller male male/male male_focus male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy onomatopoeia orange_blush orange_tongue outside papyrus_(undertale) papysans penetration penetration_from_behind penetration_through_clothes public_sex red_gloves sans_(undertale) sex sex_from_behind sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_male smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble stealth_sex sweat text tongue top_papyrus undead undertale undertale_(series) unseen_character video_game_character video_games visible_breath watermark x-ray yaoi

alternate_version_availableanal

2016 2boys 2d alternate_version_available anal animated_skeleton artist_name artist_watermark big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_jacket blush bottom_sans brother/brother brother_penetrating_brother brothers clothed clothed_sex digital_media drooling duo ectotongue english_text fangs fontcest from_behind from_behind_position gay gloves heart-shaped_pupils humanoid incest intraspecies jacket laddinger larger_male larger_penetrating larger_penetrating_smaller male male/male male_focus male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy onomatopoeia orange_blush orange_tongue outside papyrus_(undertale) papysans penetration penetration_from_behind penetration_through_clothes public_sex red_gloves sans_(undertale) sex sex_from_behind sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_male smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble stealth_sex sweat text tongue top_papyrus undead undertale undertale_(series) unseen_character video_game_character video_games visible_breath watermark yaoi

alternate_version_availableanal

2016 2boys 2d ahegao animated_skeleton blue_blush blue_jacket blue_tongue blush brothers clothed crossed_eyes digital_media drooling duo ectotongue humanoid jacket ketchup ketchup_bottle looking_at_another male male_only object_on_head papyrus_(undertale) pleasure_face sans_(undertale) siblings sinnia_(artist) skeleton suggestive sweat tongue undead undertale undertale_(series) upper_body video_games

ahegaoanimated_skeleton

1boy 1girl 2016 2d after_fellatio after_oral alternate_costume animated_skeleton arm_support artist_name b-b-b-bonezoned black_vest blush breasts canon_x_oc clothed_male cum cum_on_face dark-skinned_female dark_skin digital_media duo ectopenis female female_human formal formal_clothes formal_wear glasses gloves hetero human humanoid interspecies male male/female monster monster_boy neck_tie necktie nipples oc_x_canon orange_blush orange_cum orange_penis original_character papyrus_(undertale) parted_lips partially_clothed partially_clothed_female penis red_gloves red_necktie sideboob sitting skeleton straight suit teeth tongue tongue_out topless_female tumblr_username undead undertale undertale_(series) vest video_game_character video_games white_background

after_fellatioafter_oral

2016 2boys 2d animated_skeleton artist_name blanket blue_penis blush bottom_sans brother/brother brothers clothed digital_media dreaming duo ectopenis english_text erection erection_under_blanket fontcest food food_on_body gay glowing glowing_genitalia glowing_penis implied_incest incest letthesinwithinbegin male male/male male_only monster monster_boy nightcap papyrus_(undertale) papysans pasta penis sans_(undertale) sex siblings skeleton sleeping spaghetti teeth tentacle text third-party_source undead undertale undertale_(series) video_games wet_dream yaoi

animated_skeletonartist_name

2016 2boys 2d animated_skeleton blue_blush blush bone creampiesummer digital_media duo elemental_creature elemental_humanoid english_text fire_elemental gay grillby grillsans humanoid interspecies male male/male male_only monster monster_boy orange_body orange_penis partially_colored sans_(undertale) sansby skeleton sounding speech_bubble text undead undertale undertale_(series) urethral urethral_insertion video_game_character video_games white_background yaoi

animated_skeletonblue_blush

1boy 2016 2d animated_skeleton biting_clothes biting_shirt blue_hoodie blue_jacket bottom_sans digital_media ecto-tiddy english_text fangs from_above grabbing_sheets gripping_sheets hand_towards_viewer hooded_jacket hoodie humanoid inviting jacket lying male male_only malesub monster on_back open_hand reaching_out reaching_towards_viewer sans_(undertale) shirt_up skeleton solo solo_male submissive submissive_male sweat text undead undertale undertale_(series) video_games

animated_skeletonbiting_clothes

1boy 2010s 2016 2d 2d_(artwork) alternate_costume animated_skeleton armwear ass bad_id bad_tumblr_id black_boots black_high_heel_boots blue_blush blue_body blue_penis blue_tongue blush boots bunny_ears bunnysuit crossdressing crouching digital_media_(artwork) ectobody ectopenis ectotongue genitals high_heel_boots inactive_account m_legs male male_only monster monster_boy noxiousaberration penis penis_out sans sans_(undertale) seducing seductive simple_background skeleton solo_male squatting stockings sweat thighhighs thighs tongue tongue_out tumblr undead undertale undertale_(series) video_game_character video_games wink

alternate_costumeanimated_skeleton

1boy 2010s 2016 2d 2d_(artwork) alternate_costume animated_skeleton armwear bad_id bad_tumblr_id blue_blush blue_body blush bottle bunny_ears bunnysuit cowboy_shot crossdressing digital_media_(artwork) ectobody glass hand_on_hip inactive_account male male_only monster noxiousaberration platter sans sans_(undertale) simple_background skeleton solo solo_male stockings sweat thighhighs tray tumblr undead undertale undertale_(series) video_game_character video_games wine_bottle wine_glass

alternate_costumeanimated_skeleton

1boy 2010s 2016 2d 2d_(artwork) animated_skeleton bad_id bad_tumblr_id blue_tentacles blue_tongue bottom_sans bound bound_arms bound_legs bound_wrists completely_naked completely_nude digital_media_(artwork) ectotongue inactive_account legs_held_open male male_only monster naked noxiousaberration nude one_eye_closed sans sans_(undertale) simple_background skeleton solo tentacle tentacle_on_male tentacle_sex tentacles_around_arms tentacles_around_legs tentacles_around_wrists tentacles_on_male tongue tongue_out tumblr uke_sans undead undertale undertale_(series) video_game_character video_games

animated_skeletonbad_id

1boy 2010s 2016 2d 2d_(artwork) animated_skeleton bad_id bad_tumblr_id blue_eye blue_tentacles bottom_sans bound bound_arms bound_legs bound_wrists completely_naked completely_nude digital_media_(artwork) dubious_consent inactive_account legs_held_open male male_only monster naked noxiousaberration nude one_eye_closed sans sans_(undertale) simple_background skeleton solo tentacle tentacle_on_male tentacles_around_arms tentacles_around_legs tentacles_around_wrists tentacles_on_male tumblr uke_sans undead undertale undertale_(series) video_game_character video_games

animated_skeletonbad_id

1boy 2010s 2016 2d 2d_(artwork) alternate_costume animated_skeleton armwear bad_id bad_tumblr_id bare_shoulders black_armwear black_legwear black_stockings black_thighhighs cowboy_shot crossdressing digital_media_(artwork) inactive_account maid_outfit maid_uniform male male_only monster noxiousaberration one_eye_closed sans sans_(undertale) shrug simple_background skeleton smile smiling smiling_at_viewer solo solo_male stockings thighhighs tumblr undead undertale undertale_(series) video_game_character video_games white_background

alternate_costumeanimated_skeleton

1boy 2010s 2016 ahegao animated_skeleton blue_tongue bottom_sans clothed ectopenis english_text hand_on_own_face heart-shaped_pupils heart_eyes imminent_cum imminent_ejaculation imminent_orgasm male male_ahegao male_masturbation male_only masturbation moaning monochrome monster neetnest partially_colored penile_masturbation penis sans sans_(undertale) skeleton solo solo_male text text_bubble tongue tongue_out tumblr uke_sans undead undertale undertale_(series) white_background

ahegaoanimated_skeleton

2016 2boys 2d animated_skeleton blue_penis caught caught_masturbating digital_media ectopenis elemental_creature elemental_humanoid fire_elemental genital_fluids genitals grillby humanoid humanoid_only ladybumtickler looking_at_another looking_up male male_only monster monster_boy penis sans_(undertale) skeleton sniggysmut undead undertale undertale_(series) video_game_character video_games white_background

animated_skeletonblue_penis

1boy 2016 2d alternate_version_available animated_skeleton blue_hoodie blue_jacket blue_penis bottom_sans bottomless bottomless_male digital_media ectopenis genitals gradient_background hood hooded_jacket jacket male male_only malesub monster monster_boy penis pink_slippers profanity purple_tentacles sans_(undertale) simple_background skeleton slippers solo solo_male submissive submissive_male teeth tentacle tentacle_on_male tentacles tentacles_on_male text tumblr_username twilightsuccubus undead undertale undertale_(series) variant_set video_game_character video_games

alternate_version_availableanimated_skeleton

1boy 2016 2d alternate_version_available animated_skeleton blue_hoodie blue_jacket bottom_sans bottomless bottomless_male digital_media gradient_background hood hooded_jacket jacket male male_focus male_only malesub monster monster_boy pink_slippers profanity purple_tentacles sans_(undertale) simple_background skeleton slippers solo solo_male submissive submissive_male teeth tentacle tentacle_on_male tentacles tentacles_on_male text tumblr_username twilightsuccubus undead undertale undertale_(series) variant_set video_game_character video_games

alternate_version_availableanimated_skeleton

1boy 2010s 2016 2d 2d_(artwork) animated_skeleton art_trade barefeet blush bondage bottom_sans bound bound_arms cheztnuts choking clothed digital_media_(artwork) disembodied_hand ectotongue grabbing_neck hand kneel male male_focus monster multiple_views rope rope_bondage sans sans_(undertale) shirt_pulled_up shirt_up skeleton solo solo_focus submissive sweat tied_up tongue tongue_out uke_sans undead undertale undertale_(series) video_game_character video_games

animated_skeletonart_trade

2016 2boys 2d animated_skeleton anonymous anonymous_male blue_tongue bone bottom_sans digital_media disembodied_penis duo genitals grey_background humanoid licking licking_penis male male/male male_only nubs oral penis safetytrance sans_(undertale) sex simple_background skeleton solid_color_background solo_focus text third-party_source tongue undead undertale undertale_(series) unseen_character unseen_male_face video_games yaoi

animated_skeletonanonymous

2016 2boys 2d animated_skeleton bigger_male blue_hoodie blue_jacket blue_penis boots brothers closed_eyes clothed clothed_male clothing drooling duo ectopenis facing_another fontcest gloves grabbing_clothing grabbing_own_penis grabbing_penis hand_on_another's_head heart high_heel_boots hoodie humanoid incest intimate intraspecies jacket ladybumtickler larger_male male male/male male_only monster no_sex papyrus_(undertale) papysans penis penis_grab penis_out red_boots red_gloves red_high_heel_boots sans_(undertale) sibling_incest siblings sitting sitting_on_another sitting_on_lap size_difference skeleton smaller_male smiling smiling_at_another smiling_at_partner sniggysmut third-party_source traditional_media undead undertale undertale_(series) video_game_character video_games white_background wholesome yaoi

animated_skeletonbigger_male

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