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papyrus (undertale)

2010s 2018 2boys 2d 2d_(artwork) anal animated_skeleton artist_name big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_eyes blue_penis blue_tongue blush bottom_sans bottomless bottomless_male brother brother/brother brother_and_brother brother_penetrating_brother brothers clothed clothing crying crying_with_eyes_open dominant dominant_male duo ectopenis ectotongue edit edited fontcest from_behind_position gay_sex gif gloves glowing glowing_genitalia glowing_penis grabbing grabbing_clothing grabbing_from_behind heart-shaped_pupils heart_eyes incest larger_male male male/male male_focus male_only maledom malesub monster open_mouth orange_penis papyrus papyrus_(undertale) papysans penetration penetration_from_behind penis pleasure_face realdemdemdmensfw sans sans_(undertale) seme_papyrus sex sex_from_behind simple_background skeleton slideshow small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom solo_focus submissive submissive_male tears tears_of_pleasure third-party_edit tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games white_background yaoi
2010s 2018 2boys 2d 2d_(artwork) anal animated_skeleton artist_name big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_eyes blue_penis blue_tongue blush bottom_sans bottomless bottomless_male brother brother/brother brother_and_brother brother_penetrating_brother brothers clothed clothing crying crying_with_eyes_open dominant dominant_male duo ectopenis ectotongue edit edited fontcest from_behind_position gay_sex gif gloves glowing glowing_genitalia glowing_penis grabbing grabbing_clothing grabbing_from_behind heart-shaped_pupils heart_eyes incest larger_male male male/male male_focus male_only maledom malesub monster open_mouth orange_penis papyrus papyrus_(undertale) papysans penetration penetration_from_behind penis pleasure_face realdemdemdmensfw sans sans_(undertale) seme_papyrus sex sex_from_behind simple_background skeleton slideshow small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom solo_focus submissive submissive_male tears tears_of_pleasure third-party_edit tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games white_background yaoi
2boys 2d 2d_(artwork) 2d_animation animated_skeleton blue_blush blue_penis blush brother brother/brother brother_and_brother brothers clothed clothing digital_media_(artwork) drooling dry_humping duo ectopenis ectotongue fontcest genitals gif groping groping_from_behind hand_under_clothes hand_under_shirt handjob humping incest intraspecies kneel male male/male male_only monster monster_boy papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) shirt_up sibling_incest siblings simple_background skeleton thornisicezins tongue undead undertale undertale_(series) video_game_character video_games white_background yaoi
2boys 2d 2d_(artwork) 2d_animation animated_skeleton blue_blush blue_penis blush brother brother/brother brother_and_brother brothers clothed clothing digital_media_(artwork) drooling dry_humping duo ectopenis ectotongue fontcest genitals gif groping groping_from_behind hand_under_clothes hand_under_shirt handjob humping incest intraspecies kneel male male/male male_only monster monster_boy papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) shirt_up sibling_incest siblings simple_background skeleton thornisicezins tongue undead undertale undertale_(series) video_game_character video_games white_background yaoi
1:1 1:1_aspect_ratio 1boy 1cuntboy 2020s 2022 2d 2d_(artwork) animated_skeleton artist_name artist_watermark black_legwear blue_pussy bottom_sans brother brother/brother brother_and_brother brothers cuntboy digital_media_(artwork) duo ectopussy empath__life fingering fingering_another fingering_pussy fontcest gif grey_background hand_on_another's_face hand_on_face incest intraspecies legs_apart legwear male male/male monochrome monster monster_boy nude one_eye_closed papyrus papyrus_(undertale) papysans pussy sans sans_(undertale) seme_papyrus sequence sequential sibling_incest siblings simple_background sitting skeleton tel_a_friend top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games watermark yaoi
1:1 1:1_aspect_ratio 1boy 1cuntboy 2020s 2022 2d 2d_(artwork) animated_skeleton artist_name artist_watermark black_legwear blue_pussy bottom_sans brother brother/brother brother_and_brother brothers cuntboy digital_media_(artwork) duo ectopussy empath__life fingering fingering_another fingering_pussy fontcest gif grey_background hand_on_another's_face hand_on_face incest intraspecies legs_apart legwear male male/male monochrome monster monster_boy nude one_eye_closed papyrus papyrus_(undertale) papysans pussy sans sans_(undertale) seme_papyrus sequence sequential sibling_incest siblings simple_background sitting skeleton tel_a_friend top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games watermark yaoi
1:1 1:1_aspect_ratio 2020s 2021 2boys 2d 2d_(artwork) 2d_animation abosinsin anal animated_skeleton animation bad_id bad_twitter_id big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers carrying carrying_another carrying_partner carrying_position clothed cropped cropped_image digital_media_(artwork) duo ectopenis edit edited fontcest gif inactive_account incest intraspecies larger_male larger_penetrating larger_penetrating_smaller legwear loop looping_animation low_res low_resolution lowres male male/male male_only male_penetrated male_penetrating male_penetrating_male maledom monster monster_boy orange_penis papyrus papyrus_(undertale) papysans penetration penis sans sans_(undertale) seme_papyrus sex short_playtime sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom socks stand_and_carry_position third-party_edit thrusting top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi
1:1 1:1_aspect_ratio 2020s 2021 2boys 2d 2d_(artwork) 2d_animation abosinsin anal animated_skeleton animation bad_id bad_twitter_id big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers carrying carrying_another carrying_partner carrying_position clothed cropped cropped_image digital_media_(artwork) duo ectopenis edit edited fontcest gif inactive_account incest intraspecies larger_male larger_penetrating larger_penetrating_smaller legwear loop looping_animation low_res low_resolution lowres male male/male male_only male_penetrated male_penetrating male_penetrating_male maledom monster monster_boy orange_penis papyrus papyrus_(undertale) papysans penetration penis sans sans_(undertale) seme_papyrus sex short_playtime sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom socks stand_and_carry_position third-party_edit thrusting top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi
1girl 2boys 2d 2d_(artwork) 2d_animation alphys animated_skeleton anthro basho_lizard blue_tongue bottom_sans crying digital_media_(artwork) dinosaur dinosaur_girl drooling floor fluids from_above gif glasses hoodie large_filesize lizard lizard_girl lizard_tail male_focus malesub monster monster_boy monster_girl papyrus papyrus_(undertale) penetration pixiv_id_7835302 red_tentacles reptile reptile_girl reptile_tail sans sans_(undertale) scalie scalie_female scared sex shocked siblings skeleton solo_focus submissive submissive_male tail tears tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_legs tongue trio uke_sans undead undertale undertale_(series) video_game_character video_games wide_eyed yellow_body yellow_skin
1girl 2boys 2d 2d_(artwork) 2d_animation alphys animated_skeleton anthro basho_lizard blue_tongue bottom_sans crying digital_media_(artwork) dinosaur dinosaur_girl drooling floor fluids from_above gif glasses hoodie large_filesize lizard lizard_girl lizard_tail male_focus malesub monster monster_boy monster_girl papyrus papyrus_(undertale) penetration pixiv_id_7835302 red_tentacles reptile reptile_girl reptile_tail sans sans_(undertale) scalie scalie_female scared sex shocked siblings skeleton solo_focus submissive submissive_male tail tears tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_legs tongue trio uke_sans undead undertale undertale_(series) video_game_character video_games wide_eyed yellow_body yellow_skin
2010s 2016 2boys 2d 2d_(artwork) accurate_art_style animated_skeleton artist_name brother_and_brother brothers clothed couch duo ectopenis fellatio fontcest furniture genitals gif grabbing_head green_couch hand_on_another's_head head_grab humanoid incest indoors living_room male male/male male_only monster monster_boy orange_penis papyrus papyrus_(undertale) papysans penis penis_out pixel_(artwork) pixel_animation pixel_art sans sans_(undertale) sibling_incest siblings sitting sitting_on_couch sitting_on_sofa skeleton sofa stairs sweat television tombone-jack tomis-jb undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2016 2boys 2d 2d_(artwork) accurate_art_style animated_skeleton artist_name brother_and_brother brothers clothed couch duo ectopenis fellatio fontcest furniture genitals gif grabbing_head green_couch hand_on_another's_head head_grab humanoid incest indoors living_room male male/male male_only monster monster_boy orange_penis papyrus papyrus_(undertale) papysans penis penis_out pixel_(artwork) pixel_animation pixel_art sans sans_(undertale) sibling_incest siblings sitting sitting_on_couch sitting_on_sofa skeleton sofa stairs sweat television tombone-jack tomis-jb undead undertale undertale_(series) video_game_character video_games yaoi
2boys 2d 2d_(artwork) accurate_art_style animated_skeleton annoying_dog_(undertale) bedroom blue_blush blue_penis blush brother_and_brother brothers digital_media_(artwork) ectopenis fontcest gay genitals gif heart humanoid incest indoors jumping male male/male male_masturbation male_only masturbation mattress monster monster_boy papyrus papyrus_(undertale) peeping penile penile_masturbation penis penis_out pixel_(artwork) pixel_animation pixel_art sans sans_(undertale) sitting skeleton tombone-jack tomis-jb undead undertale undertale_(series) video_game_character video_games voyeur watching yaoi
2boys 2d 2d_(artwork) accurate_art_style animated_skeleton annoying_dog_(undertale) bedroom blue_blush blue_penis blush brother_and_brother brothers digital_media_(artwork) ectopenis fontcest gay genitals gif heart humanoid incest indoors jumping male male/male male_masturbation male_only masturbation mattress monster monster_boy papyrus papyrus_(undertale) peeping penile penile_masturbation penis penis_out pixel_(artwork) pixel_animation pixel_art sans sans_(undertale) sitting skeleton tombone-jack tomis-jb undead undertale undertale_(series) video_game_character video_games voyeur watching yaoi
2010s 2019 2boys 2d 2d_(artwork) 2d_animation alternate_version_available anal animated_skeleton animation artist_name artist_signature big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes digital_media_(artwork) duo ectopenis fontcest ganzooky gif gloves incest intraspecies larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrating monster monster_boy nsfwsinningsans orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penetration penis red_gloves sans sans_(undertale) seme_papyrus sex sibling_incest siblings simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom thrusting top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2019 2boys 2d 2d_(artwork) 2d_animation alternate_version_available anal animated_skeleton animation artist_name artist_signature big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes digital_media_(artwork) duo ectopenis fontcest ganzooky gif gloves incest intraspecies larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrating monster monster_boy nsfwsinningsans orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penetration penis red_gloves sans sans_(undertale) seme_papyrus sex sibling_incest siblings simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom thrusting top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2019 2boys 2d 2d_(artwork) 2d_animation alternate_version_available anal animated_skeleton animation artist_name artist_signature big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers digital_media_(artwork) duo ectopenis fontcest ganzooky gif gloves incest intraspecies larger_male larger_penetrating larger_penetrating_smaller looking_at_another looking_at_partner male male/male male_only male_penetrating monster monster_boy nsfwsinningsans orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penetration penis red_gloves sans sans_(undertale) seme_papyrus sex sibling_incest siblings simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom thrusting top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2019 2boys 2d 2d_(artwork) 2d_animation alternate_version_available anal animated_skeleton animation artist_name artist_signature big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers digital_media_(artwork) duo ectopenis fontcest ganzooky gif gloves incest intraspecies larger_male larger_penetrating larger_penetrating_smaller looking_at_another looking_at_partner male male/male male_only male_penetrating monster monster_boy nsfwsinningsans orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penetration penis red_gloves sans sans_(undertale) seme_papyrus sex sibling_incest siblings simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom thrusting top_papyrus twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2019 2d 2d_(artwork) 2d_animation accurate_art_style anal animated animated_skeleton animation blue_blush blush bottom_sans bottomless bottomless_male brother brothers digital_media_(artwork) disembodied_penis fontcest gif incest jacket loop looping_animation low_res lowest-of-dirt lowest_of_dirt lowres male male_penetrating moaning no_pants orange_penis papyrus papyrus_(undertale) papysans penetration penis pixel_(artwork) pixel_animation pixel_art pleasure_face sans sans_(undertale) seme_papyrus shoes skeleton slippers solo_focus thrusting top_papyrus topwear tumblr twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2019 2d 2d_(artwork) 2d_animation accurate_art_style anal animated animated_skeleton animation blue_blush blush bottom_sans bottomless bottomless_male brother brothers digital_media_(artwork) disembodied_penis fontcest gif incest jacket loop looping_animation low_res lowest-of-dirt lowest_of_dirt lowres male male_penetrating moaning no_pants orange_penis papyrus papyrus_(undertale) papysans penetration penis pixel_(artwork) pixel_animation pixel_art pleasure_face sans sans_(undertale) seme_papyrus shoes skeleton slippers solo_focus thrusting top_papyrus topwear tumblr twitter uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2017 2boys 2d 2d_(artwork) 2d_animation animated animated_skeleton animation big_penis blue_eye bottom_sans brother brother/brother brother_and_brother brothers digital_media_(artwork) duo fellatio fontcest gay gif incest lowest-of-dirt lowest_of_dirt male male/male male_only male_out_of_frame oral orange_penis papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) seme_papyrus skeleton solo_focus sucking_penis top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2017 2boys 2d 2d_(artwork) 2d_animation animated animated_skeleton animation big_penis blue_eye bottom_sans brother brother/brother brother_and_brother brothers digital_media_(artwork) duo fellatio fontcest gay gif incest lowest-of-dirt lowest_of_dirt male male/male male_only male_out_of_frame oral orange_penis papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) seme_papyrus skeleton solo_focus sucking_penis top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face video_game_character video_games yaoi
2boys animated animated_skeleton blue_blush blue_tongue brother_and_brother brothers clothed duo ectopenis fontcest fully_clothed gif glowing_penis incest loop male male/male male_only monster orange_penis pajamas papyrus papyrus_(undertale) penis pleasure_face sans sans_(undertale) skeleton sweat sweating tongue_out undead undertale undertale_(series) yaoi
2boys animated animated_skeleton blue_blush blue_tongue brother_and_brother brothers clothed duo ectopenis fontcest fully_clothed gif glowing_penis incest loop male male/male male_only monster orange_penis pajamas papyrus papyrus_(undertale) penis pleasure_face sans sans_(undertale) skeleton sweat sweating tongue_out undead undertale undertale_(series) yaoi
animated animated_skeleton blue_penis brother_and_brother brothers clothed drooling duo ectopenis ectotongue fontcest frottage frotting fully_clothed gif glowing_penis incest loop male male/male male_only missionary orange_penis orange_tongue pajamas papyrus papyrus_(undertale) penis penis_against_penis penis_on_penis sans sans_(undertale) sanspapy skeleton tongue tongue_out undertale yaoi
animated animated_skeleton blue_penis brother_and_brother brothers clothed drooling duo ectopenis ectotongue fontcest frottage frotting fully_clothed gif glowing_penis incest loop male male/male male_only missionary orange_penis orange_tongue pajamas papyrus papyrus_(undertale) penis penis_against_penis penis_on_penis sans sans_(undertale) sanspapy skeleton tongue tongue_out undertale yaoi