Search

(Supports wildcard *)
Tags

2010s 2018 2boys 2d 2d_(artwork) animated_skeleton blindfold blindfolded blue_tongue bondage bottom_sans bound bound_arms bound_wrists brother brother/brother brother_and_brother brothers clothed clothed/nude clothing collar comic comic_panel digital_media_(artwork) dominant duo ectopenis ectotongue english_text fontcest imminent_fellatio imminent_oral incest lowest-of-dirt lowest_of_dirt male male/male male_only monster naked nude orange_penis papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) seme_papyrus silhouette skeleton submissive text tied_arms tied_up tongue top_papyrus tumblr uke_sans undead undertale undertale_(series) unzipping_pants video_game_character video_games white_background yandere yandere_papyrus yaoi 2010s 2017 2boys 2d 2d_(artwork) animated_skeleton bigger_male blue_blush blue_penis blush bottomless bottomless_male brother brother/brother brother_and_brother brothers bruh clothed clothing digital_media_(artwork) duo ectopenis english_text fontcest gloves hooded_jacket hoodie implied_incest jacket larger_male looking_at_another looking_at_penis lowest-of-dirt lowest_of_dirt male male/male male_only monster orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) shitpost skeleton sketch smaller_male sweatdrop text tumblr undead undertale undertale_(series) video_game_character video_games white_background yaoi 1:1 1:1_aspect_ratio 2020 2020s 2boys 2d 2d_(artwork) ? animated_skeleton anonymous_artist blush brother brother/brother brother_and_brother brothers clothed clothing digital_media_(artwork) duo eating_food eating_popsicle english_text fontcest food implied_incest looking_at_another lowest-of-dirt lowest_of_dirt male male/male male_only monster orange_blush orange_popsicle papyrus papyrus_(undertale) papysans partially_colored popsicle reference_image saliva sans sans_(undertale) skeleton spoken_question_mark suggestive suggestive_food text tumblr undead undertale undertale_(series) upper_body video_game_character video_games white_background yaoi 2020 2020s 2boys 2d 2d_(artwork) ? animated_skeleton blush brother brother/brother brother_and_brother brothers clothed clothing digital_media_(artwork) duo eating_food eating_popsicle english_text fontcest food implied_incest looking_at_another lowest-of-dirt lowest_of_dirt male male/male male_only monster orange_blush orange_popsicle papyrus papyrus_(undertale) papysans partially_colored popsicle redraw saliva sans sans_(undertale) skeleton spoken_question_mark suggestive suggestive_food text tumblr undead undertale undertale_(series) upper_body video_game_character video_games white_background yaoi 2010s 2017 2boys 2d 2d_(artwork) ? animated_skeleton blush brother brother/brother brother_and_brother brothers clothed clothing digital_media_(artwork) duo eating_food eating_popsicle english_text fontcest food implied_incest looking_at_another lowest-of-dirt lowest_of_dirt male male/male male_only monster orange_blush orange_popsicle papyrus papyrus_(undertale) papysans partially_colored popsicle saliva sans sans_(undertale) skeleton spoken_question_mark suggestive suggestive_food text tumblr undead undertale undertale_(series) upper_body video_game_character video_games white_background yaoi 1boy 2010s 2019 2d 2d_(artwork) animated_skeleton arms_behind_back completely_nude completely_nude_male digital_media_(artwork) grey_background korean_text legs_apart looking_at_viewer lowest-of-dirt lowest_of_dirt male male_only monster ms_paint nude nude_male sans sans_(undertale) simple_background sitting skeleton solid_color_background solo_male text tumblr undead undertale undertale_(series) video_game_character video_games 2010s 2017 2boys 2d 2d_(artwork) animated_skeleton annoying_dog_(undertale) bottom_sans brother brother/brother brother_and_brother brothers canid canine canis clothed clothed_male clothing comic comic_panel comic_sans digital_media_(artwork) dog domestic_dog english_text feral fontcest hoodie incest jacket lowest-of-dirt lowest_of_dirt male male/male male_only monster pants_bulge papyrus papyrus_(font) papyrus_(undertale) papysans pinned_down sans sans_(undertale) seme_papyrus skeleton speech_bubble talking_to_another text text_bubble top_papyrus tumblr uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton arm_grab big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male biting biting_shoulder black_background bleeding blood blue_blush blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed/nude clothed_male clothing dark_background digital_media_(artwork) dominant dominant_male drooling duo ectotongue edit edited fangs fontcest glowing glowing_eye incest kneel larger_male long_image lowest-of-dirt lowest_of_dirt male male/male male_only maledom malesub monster nude nude_male orange_eye papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus sequence sequential skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom submissive submissive_male third-party_edit tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) undertale_fanfiction video_game_character video_games yaoi 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton arm_grab big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male biting biting_shoulder black_background bleeding blood blue_blush blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed/nude clothed_male clothing dark_background digital_media_(artwork) dominant dominant_male drooling duo ectotongue edit edited fangs fontcest glowing glowing_eye incest kneel larger_male long_image lowest-of-dirt lowest_of_dirt male male/male male_only maledom malesub monster nude nude_male orange_eye papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus sequence sequential skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom submissive submissive_male tall_image third-party_edit tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) undertale_fanfiction video_game_character video_games yaoi 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton arm_grab big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male biting biting_shoulder black_background bleeding blood blue_blush blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed/nude clothed_male clothing dark_background digital_media_(artwork) dominant dominant_male drooling duo ectotongue fangs fontcest glowing glowing_eye incest kneel larger_male lowest-of-dirt lowest_of_dirt male male/male male_only maledom malesub monster nude nude_male orange_eye papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus sequence sequential skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom submissive submissive_male tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) undertale_fanfiction video_game_character video_games yaoi 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton arm_grab big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male biting biting_shoulder black_background bleeding blood blue_blush blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed/nude clothed_male clothing dark_background digital_media_(artwork) dominant dominant_male duo ectotongue fangs fontcest glowing glowing_eye incest kneel larger_male lowest-of-dirt lowest_of_dirt male male/male male_only maledom malesub monster nude nude_male orange_eye papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus sequence sequential skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom submissive submissive_male top_papyrus tumblr uke_sans undead undertale undertale_(series) undertale_fanfiction video_game_character video_games yaoi 2010s 2017 2d 2d_(artwork) 4boys animated_skeleton blue_blush blue_tongue blush bottom_sans bukkake clothed clothing cum cum_in_mouth cum_on_tongue digital_media_(artwork) ectotongue fangs finger_in_mouth fontcest gangbang gaster gaster_(undertale) grillby grillby_(undertale) grillsans hand implied_incest lowest-of-dirt lowest_of_dirt male male/male male_only monster multiple_boys one_eye_closed orange_cum orange_penis papyrus papyrus_(undertale) papysans penis red_background sans sans_(undertale) sanster seme_gaster seme_grillby seme_papyrus sex skeleton solo_focus tongue top_gaster top_grillby top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face upper_body video_game_character video_games yaoi 2010s 2017 2d 2d_(artwork) animated_skeleton bottom_sans brother/brother brothers carrying carrying_partner carrying_position crying duo ectotongue fontcest incest interlocked_fingers intertwined_fingers licking licking_face lowest-of-dirt lowest_of_dirt monster orange_tongue papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus skeleton tongue top_papyrus traditional_art traditional_media traditional_media_(artwork) tumblr uke_sans undead undertale undertale_(series) video_game_character video_games 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bottom_sans bound_wrists brother brother/brother brother_and_brother brothers collaboration crying crying_with_eyes_open digital_media_(artwork) dominant dominant_male duo ectopenis fontcest grabbing_own_penis grabbing_penis holding_own_penis holding_penis imminent_rape imminent_sex incest iniquityhalo larger_male lowest-of-dirt lowest_of_dirt macro macro_male macrophilia male male_only maledom malesub micro microphilia non-con non-consensual noncon nonconsensual nude orange_penis papyrus papyrus_(undertale) papysans penis precum rape rope sans sans_(undertale) seme_papyrus size_difference skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus submissive submissive_male tied_wrists top_papyrus tumblr twitter uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi ! ... 2010s 2017 2boys 2d 2d_(artwork) 3koma :v animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless bottomless_male brother/brother brother_penetrating_brother brothers comic comic_panel dialog dialogue dialogue_box digital_media_(artwork) duo english_text fontcest frisk frisk_(undertale) gasp gay grabbing_arms grabbing_wrist human incest indoors larger_penetrating larger_penetrating_smaller lowest-of-dirt lowest_of_dirt male male/male nude on_floor open_door orange_blush papyrus papyrus_(undertale) papysans partially_colored penetration sans sans_(undertale) seme_papyrus sex sex_on_floor skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom surprised surprised_expression text text_box top_papyrus tumblr uke_sans undead undertale undertale_(series) video_game_character video_games walk-in yaoi 1:1 1:1_aspect_ratio 2010s 2019 2d 2d_(artwork) 2d_animation accurate_art_style anal animated_skeleton animation blue_blush blush bottom_sans bottomless digital_media_(artwork) disembodied_penis edit fontcest incest jacket loop looping_animation low_res lowest-of-dirt lowest_of_dirt lowres moaning no_pants no_sound orange_penis papyrus papyrus_(undertale) papysans penetration penis pixel_(artwork) pixel_animation pixel_art pleasure_face sans sans_(undertale) seme_papyrus shoes short_playtime shorter_than_10_seconds skeleton slippers solo_focus thrusting top_papyrus topwear twitter uke_sans undead undertale undertale_(series) video video_game_character video_games webm 2010s 2018 2boys 2d 2d_(artwork) alternate_version_available anal animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_eye bottom_sans bound_arms bound_wrists brother brother_and_brother brothers clothed clothed/nude crying crying_with_eyes_open cum cum_on_face cumshot digital_media_(artwork) duo ectopenis ejaculation fontcest glowing_eye heart incest larger_penetrating larger_penetrating_smaller legs_on_another's_shoulders legs_on_shoulders legs_over_partner's_shoulders legs_over_shoulders lowest-of-dirt lowest_of_dirt male male_only male_penetrating monster mouth_gag naked nude papyrus papyrus_(undertale) papysans partially_colored penetration penis sans sans_(undertale) seme_papyrus sequence sequential sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears tied_arms tied_up tied_wrists top_papyrus twitter uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games 2010s 2018 2boys 2d 2d_(artwork) alternate_version_available anal animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_eye bottom_sans bound_arms bound_wrists brother brother_and_brother brothers clothed clothed/nude crying crying_with_eyes_open digital_media_(artwork) duo ectopenis fontcest glowing_eye heart incest larger_penetrating larger_penetrating_smaller legs_on_another's_shoulders legs_on_shoulders legs_over_partner's_shoulders legs_over_shoulders lowest-of-dirt lowest_of_dirt male male_only male_penetrating monster mouth_gag naked nude papyrus papyrus_(undertale) papysans partially_colored penetration penis sans sans_(undertale) seme_papyrus sequence sequential sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears tied_arms tied_up tied_wrists top_papyrus twitter uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games 2010s 2019 2d 2d_(artwork) animated_skeleton artist_logo blush bottom_sans bukkake clothed clothing cum cum_on_face digital_media_(artwork) lowest-of-dirt lowest_of_dirt male monochrome penis sans sans_(undertale) skeleton solo_focus 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 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) animated_skeleton big_penis blue_eye bottom_sans brother brother/brother brother_and_brother brothers digital_media_(artwork) duo fellatio fontcest gay incest lowest-of-dirt lowest_of_dirt male male/male male_only male_out_of_frame monster oral orange_penis papyrus papyrus_(undertale) papysans penis penis_in_mouth 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