xb popular

Tags

blue penis

2022 2boys 2d animated_skeleton bigger_male black_pants blue_blush blue_hoodie blue_jacket blue_penis blush blushing_male bonerut bottomless bottomless_male brother brother_and_brother brothers brown_background clothed clothing couch digital_media duo ectopenis eyeless eyeless_male fluids fully_clothed fully_clothed_male genital_fluids genitals gloves hand_on_face hand_on_own_face hooded_jacket hoodie implied_incest implied_yaoi incest jacket larger_male male male_masturbation male_only masturbating_together masturbation monster monster_boy orange_blush orange_penis pants papyrus_(undertale) partially_clothed partially_clothed_male penile penile_masturbation penis pink_footwear pink_gloves precum red_gloves sans_(undertale) sibling_incest siblings simple_background sitting sitting_on_couch size_difference skeleton slippers smaller_male undead undertale undertale_(series) video_game_character video_games
2022 2boys 2d animated_skeleton bigger_male black_pants blue_blush blue_hoodie blue_jacket blue_penis blush blushing_male bonerut bottomless bottomless_male brother brother_and_brother brothers brown_background clothed clothing couch digital_media duo ectopenis eyeless eyeless_male fluids fully_clothed fully_clothed_male genital_fluids genitals gloves hand_on_face hand_on_own_face hooded_jacket hoodie implied_incest implied_yaoi incest jacket larger_male male male_masturbation male_only masturbating_together masturbation monster monster_boy orange_blush orange_penis pants papyrus_(undertale) partially_clothed partially_clothed_male penile penile_masturbation penis pink_footwear pink_gloves precum red_gloves sans_(undertale) sibling_incest siblings simple_background sitting sitting_on_couch size_difference skeleton slippers smaller_male undead undertale undertale_(series) video_game_character video_games
1boy 2d 2d_(artwork) adorable animated_skeleton arm_support black_pants blue_blush blue_jacket blue_penis blue_tongue blush blushing_male bodily_fluids bottom_sans cute cute_male cute_penis digital_media_(artwork) ectotongue fangs fluids glowing_genitalia glowing_penis grey_background jacket kneel looking_at_viewer male male_only malesub monster off_shoulders pants penis sans sans_(undertale) simple_background skeleton small_penis solid_color_background solo_male submissive submissive_male tongue tongue_out topless topless_male uke_sans undead undertale undertale_(series) unknown_artist video_game_character video_games
1boy 2d 2d_(artwork) adorable animated_skeleton arm_support black_pants blue_blush blue_jacket blue_penis blue_tongue blush blushing_male bodily_fluids bottom_sans cute cute_male cute_penis digital_media_(artwork) ectotongue fangs fluids glowing_genitalia glowing_penis grey_background jacket kneel looking_at_viewer male male_only malesub monster off_shoulders pants penis sans sans_(undertale) simple_background skeleton small_penis solid_color_background solo_male submissive submissive_male tongue tongue_out topless topless_male uke_sans undead undertale undertale_(series) unknown_artist video_game_character video_games
2boys animated_skeleton blue_hoodie blue_jacket blue_penis bottom_sans brown_hair closed_eyes comic_sans couch couch_sex dubious_consent ectopenis fellatio frans_(ship) frisk_(male)_(undertale) frisk_(undertale) hooded_jacket hoodie human human_penetrating jacket joke lady_sudeley male/male male_human male_only on_couch on_sofa penetrating_pov penetration penetrator_pov penis pun questionable_consent sans sans_(undertale) skeleton sofa tape tape_gag taped_mouth text tumblr_username uke_sans undertale undertale_(series) yaoi
2boys animated_skeleton blue_hoodie blue_jacket blue_penis bottom_sans brown_hair closed_eyes comic_sans couch couch_sex dubious_consent ectopenis fellatio frans_(ship) frisk_(male)_(undertale) frisk_(undertale) hooded_jacket hoodie human human_penetrating jacket joke lady_sudeley male/male male_human male_only on_couch on_sofa penetrating_pov penetration penetrator_pov penis pun questionable_consent sans sans_(undertale) skeleton sofa tape tape_gag taped_mouth text tumblr_username uke_sans undertale undertale_(series) yaoi
13thcatofthegate 2010s 2018 2boys 2d 2d_(artwork) 2males all_fours anal animated_skeleton bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_cum blue_eye blue_penis blue_tongue blush bottom_sans brother/brother brother_penetrating_brother brothers comic comic_page comic_panel comic_sans completely_nude completely_nude_male cum cum_on_sheets cum_while_penetrated digital_media_(artwork) doggy_position drooling duo ectopenis ectotongue ejaculation english_text fontcest from_behind_position genital_fluids genitals glowing_eye handjob handjob_while_penetrating incest indoors larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrated male_penetrating male_penetrating_male monster nude nude_male orange_blush orange_eye orange_penis orgasm papyrus papyrus_(undertale) papysans partially_colored penetration penetration_from_behind penis sans sans_(undertale) seme_papyrus sequence sequential sex sex_from_behind shorter_male skeleton smaller_male smaller_penetrated speech_bubble taller_male text text_bubble tongue tongue_out top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
13thcatofthegate 2010s 2018 2boys 2d 2d_(artwork) 2males all_fours anal animated_skeleton bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_cum blue_eye blue_penis blue_tongue blush bottom_sans brother/brother brother_penetrating_brother brothers comic comic_page comic_panel comic_sans completely_nude completely_nude_male cum cum_on_sheets cum_while_penetrated digital_media_(artwork) doggy_position drooling duo ectopenis ectotongue ejaculation english_text fontcest from_behind_position genital_fluids genitals glowing_eye handjob handjob_while_penetrating incest indoors larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrated male_penetrating male_penetrating_male monster nude nude_male orange_blush orange_eye orange_penis orgasm papyrus papyrus_(undertale) papysans partially_colored penetration penetration_from_behind penis sans sans_(undertale) seme_papyrus sequence sequential sex sex_from_behind shorter_male skeleton smaller_male smaller_penetrated speech_bubble taller_male text text_bubble tongue tongue_out top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
13thcatofthegate 2010s 2018 2boys 2d 2d_(artwork) 2males anal animated_skeleton bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blush bottom_sans brother/brother brothers comic comic_page comic_panel comic_sans completely_nude completely_nude_male digital_media_(artwork) duo ectopenis english_text fontcest gay genitals hugged_from_behind hugging hugging_from_behind incest indoors larger_male larger_penetrating larger_penetrating_smaller looking_at_another looking_at_partner male male/male male_only monster naked nude nude_male orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_colored penetration penis sans sans_(undertale) seme_papyrus sequence sequential sex shorter_male skeleton smaller_male smaller_penetrated speech_bubble taller_male text text_bubble top_papyrus uke_sans undead undertale undertale_(series) undressed video_game_character video_games yaoi
13thcatofthegate 2010s 2018 2boys 2d 2d_(artwork) 2males anal animated_skeleton bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blush bottom_sans brother/brother brothers comic comic_page comic_panel comic_sans completely_nude completely_nude_male digital_media_(artwork) duo ectopenis english_text fontcest gay genitals hugged_from_behind hugging hugging_from_behind incest indoors larger_male larger_penetrating larger_penetrating_smaller looking_at_another looking_at_partner male male/male male_only monster naked nude nude_male orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_colored penetration penis sans sans_(undertale) seme_papyrus sequence sequential sex shorter_male skeleton smaller_male smaller_penetrated speech_bubble taller_male text text_bubble top_papyrus uke_sans undead undertale undertale_(series) undressed video_game_character video_games yaoi
13thcatofthegate 2010s 2018 2boys 2males animated_skeleton arms_around_another arms_around_another's_neck arms_around_neck bigger_male blue_blush blue_penis blue_tongue blush bottom_sans brother/brother brothers comic comic_page comic_panel comic_sans duo ectopenis ectotongue english_text fontcest gay handjob hands_around_neck incest indoors larger_male male male/male male_only monster orange_blush papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) seme_papyrus sequence sequential shorter_male skeleton smaller_male soul soul_sex speech_bubble taller_male text text_bubble tongue top_papyrus uke_sans undead undertale undertale_(series) yaoi
13thcatofthegate 2010s 2018 2boys 2males animated_skeleton arms_around_another arms_around_another's_neck arms_around_neck bigger_male blue_blush blue_penis blue_tongue blush bottom_sans brother/brother brothers comic comic_page comic_panel comic_sans duo ectopenis ectotongue english_text fontcest gay handjob hands_around_neck incest indoors larger_male male male/male male_only monster orange_blush papyrus papyrus_(undertale) papysans partially_colored penis sans sans_(undertale) seme_papyrus sequence sequential shorter_male skeleton smaller_male soul soul_sex speech_bubble taller_male text text_bubble tongue top_papyrus uke_sans undead undertale undertale_(series) yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name begging begging_to_cum black_background blue_cum blue_penis blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel cum digital_media_(artwork) dominant dominant_male domination drooling duo echoheartx ectopenis ectotongue ejaculation elegantfolly english_text fontcest fully_clothed fully_clothed_male gay gloves handjob hooded_jacket hoodie incest jacket laying_on_back lying_on_back male male/male male_only maledom malesub monochrome monster orange_cum orange_penis orgasm papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis sans sans_(undertale) seme_papyrus semen_on_face sequence sequential skeleton submissive submissive_male tentacle_penis text tongue top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name begging begging_to_cum black_background blue_cum blue_penis blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel cum digital_media_(artwork) dominant dominant_male domination drooling duo echoheartx ectopenis ectotongue ejaculation elegantfolly english_text fontcest fully_clothed fully_clothed_male gay gloves handjob hooded_jacket hoodie incest jacket laying_on_back lying_on_back male male/male male_only maledom malesub monochrome monster orange_cum orange_penis orgasm papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis sans sans_(undertale) seme_papyrus semen_on_face sequence sequential skeleton submissive submissive_male tentacle_penis text tongue top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name black_background blue_penis blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel couch cum cum_on_face digital_media_(artwork) dirty_talk dominant dominant_male domination duo echoheartx ectopenis elegantfolly english_text fontcest fully_clothed fully_clothed_male gay gloves handjob hooded_jacket hoodie incest jacket kicking kicking_another male male/male male_only maledom malesub monochrome monster orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis sans sans_(undertale) seme_papyrus semen_on_face sequence sequential skeleton sofa submissive submissive_male tentacle_penis text top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name black_background blue_penis blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel couch cum cum_on_face digital_media_(artwork) dirty_talk dominant dominant_male domination duo echoheartx ectopenis elegantfolly english_text fontcest fully_clothed fully_clothed_male gay gloves handjob hooded_jacket hoodie incest jacket kicking kicking_another male male/male male_only maledom malesub monochrome monster orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis sans sans_(undertale) seme_papyrus semen_on_face sequence sequential skeleton sofa submissive submissive_male tentacle_penis text top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
1boy 2020s 2023 alternate_version_available animated_skeleton balls blue_penis blue_testicles blush bondage bottom_sans bound bound_arms bound_legs ectopenis grey_background legs_apart male male_only mellouwana monster nude penis precum sacrum_lacing sans sans_(undertale) simple_background skeleton solid_color_background solo solo_male string submissive submissive_male sweat testicle uke_sans undead undertale undertale_(series)
1boy 2020s 2023 alternate_version_available animated_skeleton balls blue_penis blue_testicles blush bondage bottom_sans bound bound_arms bound_legs ectopenis grey_background legs_apart male male_only mellouwana monster nude penis precum sacrum_lacing sans sans_(undertale) simple_background skeleton solid_color_background solo solo_male string submissive submissive_male sweat testicle uke_sans undead undertale undertale_(series)
2010s 2019 2d 2d_(artwork) anal animated_skeleton anon anonymous_male arms_behind_back bandage bandages blue_hoodie blue_jacket blue_penis bottom_sans bottomless bound bound_arms bruise bruises crying digital_media_(artwork) duo ectopenis ectoplasm faceless_male gay hooded_jacket hoodie injury jacket male male_only male_penetrating monster non-con non-consensual noncon nonconsensual partial_male partially_clothed penetration penis rape rope s2ames2 sans sans_(undertale) sex simple_background skeleton solo_focus submissive tears tied_up trembling twitter uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games white_background yaoi
2010s 2019 2d 2d_(artwork) anal animated_skeleton anon anonymous_male arms_behind_back bandage bandages blue_hoodie blue_jacket blue_penis bottom_sans bottomless bound bound_arms bruise bruises crying digital_media_(artwork) duo ectopenis ectoplasm faceless_male gay hooded_jacket hoodie injury jacket male male_only male_penetrating monster non-con non-consensual noncon nonconsensual partial_male partially_clothed penetration penis rape rope s2ames2 sans sans_(undertale) sex simple_background skeleton solo_focus submissive tears tied_up trembling twitter uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games white_background yaoi
1boy 2020s 2023 2d 2d_(artwork) animated_skeleton anon anonymous artist_name blue_blush blue_hoodie blue_jacket blue_penis blush bottom_sans clothed couch digital_media_(artwork) dirty drooling ectopenis exposed faceless_character fallen_ghost_angel_(artist) food furniture genital_fluids genitals green_couch holding_phone hooded_jacket hoodie indoors jacket ketchup ketchup_bottle legs_apart male male_focus messy monster monster_boy off_shoulder penis phone potato_chips pov precum sans sans_(undertale) skeleton sleeping snack snacks sofa solo_focus stained_clothes submissive submissive_male sweat twitter uke_sans undead undertale undertale_(series) video_game_character video_games
1boy 2020s 2023 2d 2d_(artwork) animated_skeleton anon anonymous artist_name blue_blush blue_hoodie blue_jacket blue_penis blush bottom_sans clothed couch digital_media_(artwork) dirty drooling ectopenis exposed faceless_character fallen_ghost_angel_(artist) food furniture genital_fluids genitals green_couch holding_phone hooded_jacket hoodie indoors jacket ketchup ketchup_bottle legs_apart male male_focus messy monster monster_boy off_shoulder penis phone potato_chips pov precum sans sans_(undertale) skeleton sleeping snack snacks sofa solo_focus stained_clothes submissive submissive_male sweat twitter uke_sans undead undertale undertale_(series) video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2020s 2022 2d 2d_(artwork) animated_skeleton blue_blush blue_penis blush blushing clothed clothing comic_sans couch digital_media_(artwork) ectopenis embarrassed english_text fallen_ghost_angel_(artist) genitals glowing_genitalia glowing_penis green_sweater green_topwear humanoid looking_away male male_only monster monster_boy oversized_clothes oversized_sweater penis penis_out precum precum_drip precum_on_penis sans sans_(undertale) shy simple_background sitting sitting_on_couch sitting_on_sofa skeleton sofa solo_male sweater text text_bubble topwear twitter undead undertale undertale_(series) video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2020s 2022 2d 2d_(artwork) animated_skeleton blue_blush blue_penis blush blushing clothed clothing comic_sans couch digital_media_(artwork) ectopenis embarrassed english_text fallen_ghost_angel_(artist) genitals glowing_genitalia glowing_penis green_sweater green_topwear humanoid looking_away male male_only monster monster_boy oversized_clothes oversized_sweater penis penis_out precum precum_drip precum_on_penis sans sans_(undertale) shy simple_background sitting sitting_on_couch sitting_on_sofa skeleton sofa solo_male sweater text text_bubble topwear twitter undead undertale undertale_(series) video_game_character video_games
1boy 2020s 2022 2d 2d_(artwork) animated_skeleton arm_support aroused artist_name artist_signature blue_blush blue_penis blush clothed clothed_male comic_sans cussing digital_media_(artwork) ectopenis english_text erection fallen_ghost_angel_(artist) genitals gloves gloves_removed glowing glowing_genitalia glowing_penis heavy_breathing looking_at_genitalia looking_at_own_penis looking_at_penis looking_down male male_only monster monster_boy penis penis_out precum precum_string profanity sans sans_(undertale) simple_background sitting skeleton slippers solo_male speech_bubble swearing text thought_bubble throbbing_penis undead undertale undertale_(series) video_game_character video_games visible_breath
1boy 2020s 2022 2d 2d_(artwork) animated_skeleton arm_support aroused artist_name artist_signature blue_blush blue_penis blush clothed clothed_male comic_sans cussing digital_media_(artwork) ectopenis english_text erection fallen_ghost_angel_(artist) genitals gloves gloves_removed glowing glowing_genitalia glowing_penis heavy_breathing looking_at_genitalia looking_at_own_penis looking_at_penis looking_down male male_only monster monster_boy penis penis_out precum precum_string profanity sans sans_(undertale) simple_background sitting skeleton slippers solo_male speech_bubble swearing text thought_bubble throbbing_penis undead undertale undertale_(series) video_game_character video_games visible_breath
1:1 1:1_aspect_ratio 1boy 2020s 2023 2d 2d_(artwork) animated_skeleton artist_name bathing bathroom bathtub blue_blush blue_cum blue_penis blush bubble_bath comic_sans covering_mouth covering_own_mouth cum cumshot digital_media_(artwork) door ectopenis ejaculation english_text fallen_ghost_angel_(artist) genitals male male_masturbation male_only masturbation monster monster_boy papyrus papyrus_(font) papyrus_(undertale) penile penile_masturbation penis profanity sans sans_(undertale) sequence sequential skeleton solo_focus solo_male speech_bubble surprised text twitter undead undertale undertale_(series) unseen_character video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2020s 2023 2d 2d_(artwork) animated_skeleton artist_name bathing bathroom bathtub blue_blush blue_cum blue_penis blush bubble_bath comic_sans covering_mouth covering_own_mouth cum cumshot digital_media_(artwork) door ectopenis ejaculation english_text fallen_ghost_angel_(artist) genitals male male_masturbation male_only masturbation monster monster_boy papyrus papyrus_(font) papyrus_(undertale) penile penile_masturbation penis profanity sans sans_(undertale) sequence sequential skeleton solo_focus solo_male speech_bubble surprised text twitter undead undertale undertale_(series) unseen_character video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2020s 2023 2d 2d_(artwork) animated_skeleton artist_name bathing bathroom bathtub blue_blush blue_penis blush bubble_bath closed_eyes comic_sans digital_media_(artwork) door ectopenis english_text fallen_ghost_angel_(artist) genitals hand_behind_head male male_masturbation male_only masturbation monster monster_boy nude nude_male penile penile_masturbation penis sans sans_(undertale) sequence sequential skeleton solo_male speech_bubble talking talking_to_self text twitter undead undertale undertale_(series) video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2020s 2023 2d 2d_(artwork) animated_skeleton artist_name bathing bathroom bathtub blue_blush blue_penis blush bubble_bath closed_eyes comic_sans digital_media_(artwork) door ectopenis english_text fallen_ghost_angel_(artist) genitals hand_behind_head male male_masturbation male_only masturbation monster monster_boy nude nude_male penile penile_masturbation penis sans sans_(undertale) sequence sequential skeleton solo_male speech_bubble talking talking_to_self text twitter undead undertale undertale_(series) video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2d 2d_(artwork) animated_skeleton balls blue_blush blue_hoodie blue_jacket blue_penis blue_testicles blush bottomless bottomless_male clothed comic_sans digital_media_(artwork) ectopenis ectoplasm english_text fallen_ghost_angel_(artist) genitals glowing glowing_genitalia glowing_penis grabbing_own_penis hi_res high_res high_resolution hires hooded_jacket hoodie jacket looking_at_genitalia looking_at_own_penis looking_at_penis looking_down lying_on_back male male_masturbation male_only masturbation monster monster_boy on_back penile_masturbation penis pillow precum sans sans_(undertale) skeleton socks solo_male speech_bubble sweat talking_to_self testicles text twitter undead undertale undertale_(series) video_game_character video_games
1:1 1:1_aspect_ratio 1boy 2d 2d_(artwork) animated_skeleton balls blue_blush blue_hoodie blue_jacket blue_penis blue_testicles blush bottomless bottomless_male clothed comic_sans digital_media_(artwork) ectopenis ectoplasm english_text fallen_ghost_angel_(artist) genitals glowing glowing_genitalia glowing_penis grabbing_own_penis hi_res high_res high_resolution hires hooded_jacket hoodie jacket looking_at_genitalia looking_at_own_penis looking_at_penis looking_down lying_on_back male male_masturbation male_only masturbation monster monster_boy on_back penile_masturbation penis pillow precum sans sans_(undertale) skeleton socks solo_male speech_bubble sweat talking_to_self testicles text twitter undead undertale undertale_(series) video_game_character video_games
1boy 2010s 2015 2d 2d_(artwork) animated_skeleton artist_name bad_id bad_tumblr_id balls blue_background blue_blush blue_eye blue_penis blue_testicles blue_tongue blush bottom_sans bound_arms bound_wrists chain chain_leash chains collar cowboy_shot digital_media_(artwork) drooling ectopenis ectotongue glowing_eye inactive_account male male_only malesub monster naked noxiousaberration nude penis sans sans_(undertale) simple_background skeleton solo solo_male submissive submissive_male sweat testicles tied_up tied_wrists tongue tongue_out tumblr uke_sans undead undertale undertale_(series) video_game_character video_games
1boy 2010s 2015 2d 2d_(artwork) animated_skeleton artist_name bad_id bad_tumblr_id balls blue_background blue_blush blue_eye blue_penis blue_testicles blue_tongue blush bottom_sans bound_arms bound_wrists chain chain_leash chains collar cowboy_shot digital_media_(artwork) drooling ectopenis ectotongue glowing_eye inactive_account male male_only malesub monster naked noxiousaberration nude penis sans sans_(undertale) simple_background skeleton solo solo_male submissive submissive_male sweat testicles tied_up tied_wrists tongue tongue_out tumblr uke_sans undead undertale undertale_(series) video_game_character video_games
3_toes ambiguous_gender anus balls bdsm blue_balls blue_penis blush bodily_fluids bondage bound cinderace dagasi duo_focus encasement erection factory feet forced fully_bound gen_4_pokemon gen_8_pokemon genital_fluids genitals glans group humanoid_genitalia humanoid_penis lucario male male/ambiguous male_focus molestation nintendo penis pink_glans pokemon pokemon_(species) precum red_balls red_penis sex_box submissive submissive_male tears toes
3_toes ambiguous_gender anus balls bdsm blue_balls blue_penis blush bodily_fluids bondage bound cinderace dagasi duo_focus encasement erection factory feet forced fully_bound gen_4_pokemon gen_8_pokemon genital_fluids genitals glans group humanoid_genitalia humanoid_penis lucario male male/ambiguous male_focus molestation nintendo penis pink_glans pokemon pokemon_(species) precum red_balls red_penis sex_box submissive submissive_male tears toes
1boy 2023 2d absurd_res absurdres ahegao animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censored_penis cum cum_while_penetrated cumshot digital_media ectopenis ectoplasm ectotongue ejaculation fluids gloves gloves_only green_background green_tentacles japanese_text konoha6 large_filesize legs_apart legs_forced_open legs_held_open monster monster_boy nude penis sans_(undertale) skeleton socks socks_only solo submissive sweat tentacle tentacle_on_male tentacle_rape tentacle_sex tentaclejob tentacles_around_arms tentacles_around_legs text tongue tongue_out trembling undead undertale undertale_(series) urethral variant_set video_games
1boy 2023 2d absurd_res absurdres ahegao animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censored_penis cum cum_while_penetrated cumshot digital_media ectopenis ectoplasm ectotongue ejaculation fluids gloves gloves_only green_background green_tentacles japanese_text konoha6 large_filesize legs_apart legs_forced_open legs_held_open monster monster_boy nude penis sans_(undertale) skeleton socks socks_only solo submissive sweat tentacle tentacle_on_male tentacle_rape tentacle_sex tentaclejob tentacles_around_arms tentacles_around_legs text tongue tongue_out trembling undead undertale undertale_(series) urethral variant_set video_games
1boy 2023 2d absurd_res absurdres animated_skeleton black_censor_bar blue_penis blush bottom_sans bound censored_penis digital_media ectopenis ectoplasm fluids gloves gloves_only green_background green_tentacles japanese_text konoha6 large_filesize legs_apart legs_forced_open legs_held_open monster monster_boy nude penis sans_(undertale) skeleton socks socks_only solo_male submissive sweat teeth tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_arms tentacles_around_legs text trembling undead undertale undertale_(series) variant_set video_games
1boy 2023 2d absurd_res absurdres animated_skeleton black_censor_bar blue_penis blush bottom_sans bound censored_penis digital_media ectopenis ectoplasm fluids gloves gloves_only green_background green_tentacles japanese_text konoha6 large_filesize legs_apart legs_forced_open legs_held_open monster monster_boy nude penis sans_(undertale) skeleton socks socks_only solo_male submissive sweat teeth tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_arms tentacles_around_legs text trembling undead undertale undertale_(series) variant_set video_games
1boy 2023 2d ahegao alternate_version_available animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censor_bar censored_penis crying crying_with_eyes_open digital_media ectopenis ectoplasm ectotongue japanese_text konoha6 large_filesize male_ahegao monster monster_boy nude penetration penis purple_tentacles sans_(undertale) sex simple_background skeleton small_penis soul soul_sex speech_bubble submissive sweat tears tentacle tentacle_ejaculation tentacle_on_male tentacle_penetration tentacle_sex tentacles tentacles_around_legs tentacles_on_male text tongue_out undead undertale undertale_(series) urethral urethral_penetration variant_set video_games
1boy 2023 2d ahegao alternate_version_available animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censor_bar censored_penis crying crying_with_eyes_open digital_media ectopenis ectoplasm ectotongue japanese_text konoha6 large_filesize male_ahegao monster monster_boy nude penetration penis purple_tentacles sans_(undertale) sex simple_background skeleton small_penis soul soul_sex speech_bubble submissive sweat tears tentacle tentacle_ejaculation tentacle_on_male tentacle_penetration tentacle_sex tentacles tentacles_around_legs tentacles_on_male text tongue_out undead undertale undertale_(series) urethral urethral_penetration variant_set video_games
1boy 2023 2d ahegao alternate_version_available animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censor_bar censored_penis crying crying_with_eyes_open digital_media ectopenis ectoplasm ectotongue konoha6 large_filesize male_ahegao monster monster_boy nude penetration penis purple_tentacles sans_(undertale) sex simple_background skeleton small_penis solo soul soul_sex submissive tears tentacle tentacle_ejaculation tentacle_on_male tentacle_penetration tentacle_sex tentacles_around_legs tentacles_on_male textless textless_version tongue_out undead undertale undertale_(series) urethral urethral_penetration variant_set video_games
1boy 2023 2d ahegao alternate_version_available animated_skeleton black_censor_bar blue_penis blue_tongue blush bottom_sans bound censor_bar censored_penis crying crying_with_eyes_open digital_media ectopenis ectoplasm ectotongue konoha6 large_filesize male_ahegao monster monster_boy nude penetration penis purple_tentacles sans_(undertale) sex simple_background skeleton small_penis solo soul soul_sex submissive tears tentacle tentacle_ejaculation tentacle_on_male tentacle_penetration tentacle_sex tentacles_around_legs tentacles_on_male textless textless_version tongue_out undead undertale undertale_(series) urethral urethral_penetration variant_set video_games
2023 absurd_res absurdres amalgamate_(undertale) animated_skeleton bigger_penetrating bigger_penetrating_smaller blue_penis blush bottom_sans crying cum cum_on_face cum_on_own_face cum_on_self duo ectopenis ectoplasm japanese_text konoha6 large_filesize larger_penetrating larger_penetrating_smaller male_penetrated monster monster_boy nude penetration penis rape sans_(undertale) skeleton small_penis smaller_penetrated speech_bubble submissive tears teeth text undead undertale undertale_(series) upside-down
2023 absurd_res absurdres amalgamate_(undertale) animated_skeleton bigger_penetrating bigger_penetrating_smaller blue_penis blush bottom_sans crying cum cum_on_face cum_on_own_face cum_on_self duo ectopenis ectoplasm japanese_text konoha6 large_filesize larger_penetrating larger_penetrating_smaller male_penetrated monster monster_boy nude penetration penis rape sans_(undertale) skeleton small_penis smaller_penetrated speech_bubble submissive tears teeth text undead undertale undertale_(series) upside-down
2020s 2021 2boys 2d 2d_(artwork) 2males abosinsin anal animated_skeleton bad_id bad_twitter_id big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blue_tongue blush boots bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed_sex digital_media_(artwork) duo ectopenis ectotongue edit edited erect_while_penetrated erection fontcest gay genitals hand_on_another's_shoulder hooded_jacket hoodie inactive_account incest intraspecies jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart looking_pleasured lying_down male male/male male_only male_penetrated male_penetrating male_penetrating_male moaning monster monster_boy open_mouth orange_blush orange_penis overstimulation papyrus papyrus_(font) papyrus_(undertale) papysans partially_colored penetration penis penis_size_difference pleasure_face sans sans_(undertale) seme_papyrus service_top sex sex_through_clothes sex_through_clothing sibling_incest siblings size_difference skeleton small_penis smaller_male smaller_penetrated smooth_penis sweat tears tears_of_pleasure text third-party_edit tongue tongue_grab tongue_out top_papyrus twitter_username uke_sans undead undertale undertale_(series) veiny_penis video_game_character video_games x-ray yaoi
2020s 2021 2boys 2d 2d_(artwork) 2males abosinsin anal animated_skeleton bad_id bad_twitter_id big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blue_tongue blush boots bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed_sex digital_media_(artwork) duo ectopenis ectotongue edit edited erect_while_penetrated erection fontcest gay genitals hand_on_another's_shoulder hooded_jacket hoodie inactive_account incest intraspecies jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart looking_pleasured lying_down male male/male male_only male_penetrated male_penetrating male_penetrating_male moaning monster monster_boy open_mouth orange_blush orange_penis overstimulation papyrus papyrus_(font) papyrus_(undertale) papysans partially_colored penetration penis penis_size_difference pleasure_face sans sans_(undertale) seme_papyrus service_top sex sex_through_clothes sex_through_clothing sibling_incest siblings size_difference skeleton small_penis smaller_male smaller_penetrated smooth_penis sweat tears tears_of_pleasure text third-party_edit tongue tongue_grab tongue_out top_papyrus twitter_username uke_sans undead undertale undertale_(series) veiny_penis video_game_character video_games x-ray yaoi
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
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
2boys 2d animated_skeleton blue_penis blue_tongue bottom_sans bottomless bottomless_male clothed clothed_male digital_media_(artwork) duo ectopenis ectoplasm ectotongue elemental_creature elemental_humanoid fellatio fire_elemental grillby grillsans humanoid licking_penis male male/male male_only monster monster_boy oral orange_body orange_penis sans sans_(undertale) seme_grillby shandrawaka skeleton tongue top_grillby uke_sans undead undertale undertale_(series) white_background yaoi
2boys 2d animated_skeleton blue_penis blue_tongue bottom_sans bottomless bottomless_male clothed clothed_male digital_media_(artwork) duo ectopenis ectoplasm ectotongue elemental_creature elemental_humanoid fellatio fire_elemental grillby grillsans humanoid licking_penis male male/male male_only monster monster_boy oral orange_body orange_penis sans sans_(undertale) seme_grillby shandrawaka skeleton tongue top_grillby uke_sans undead undertale undertale_(series) white_background yaoi
2010s 2018 2boys 2d anal animated_skeleton belly bigger_male bigger_penetrating bigger_penetrating_smaller blue_belly blue_body blue_penis blue_tongue bottom_sans bottomless bottomless_male carrying chubby chubby_male completely_nude_male digital_media_(artwork) duo ectobelly ectobody ectopenis elemental_creature elemental_humanoid fellatio fire_elemental from_behind gay genitals grillby grillsans humanoid larger_male larger_penetrating larger_penetrating_smaller legs_lift male male/male male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy nude nude_male oral orange_body orange_penis partially_clothed_male penetration penis reverse_stand_and_carry_position reverse_suspended_congress sans sans_(undertale) seme_grillby sex shirt_up skeleton sketch smaller_male smaller_penetrated socks text tongue tongue_out top_grillby tumblr uke_sans undead undertale undertale_(series) white_background yaoi yore-donatsu
2010s 2018 2boys 2d anal animated_skeleton belly bigger_male bigger_penetrating bigger_penetrating_smaller blue_belly blue_body blue_penis blue_tongue bottom_sans bottomless bottomless_male carrying chubby chubby_male completely_nude_male digital_media_(artwork) duo ectobelly ectobody ectopenis elemental_creature elemental_humanoid fellatio fire_elemental from_behind gay genitals grillby grillsans humanoid larger_male larger_penetrating larger_penetrating_smaller legs_lift male male/male male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy nude nude_male oral orange_body orange_penis partially_clothed_male penetration penis reverse_stand_and_carry_position reverse_suspended_congress sans sans_(undertale) seme_grillby sex shirt_up skeleton sketch smaller_male smaller_penetrated socks text tongue tongue_out top_grillby tumblr uke_sans undead undertale undertale_(series) white_background yaoi yore-donatsu
1boy 2d alternate_version_available anal animated_skeleton blue_background blue_blush blue_eye blue_jacket blue_penis blush bone bottom_sans clothed digital_media ectopenis ectoplasm erection genitals humanoid jacket looking_at_viewer lying male male_only monster monster_boy naxlevelnat object_insertion on_back pants_around_ankles pants_down penis sans_(undertale) simple_background skeleton solo solo_male spread_legs undead undertale undertale_(series) variant_set
1boy 2d alternate_version_available anal animated_skeleton blue_background blue_blush blue_eye blue_jacket blue_penis blush bone bottom_sans clothed digital_media ectopenis ectoplasm erection genitals humanoid jacket looking_at_viewer lying male male_only monster monster_boy naxlevelnat object_insertion on_back pants_around_ankles pants_down penis sans_(undertale) simple_background skeleton solo solo_male spread_legs undead undertale undertale_(series) variant_set
1boy 2d alternate_version_available anal animated_skeleton blue_background blue_blush blue_eye blue_jacket blue_penis blush bone bottom_sans clothed digital_media ectopenis ectoplasm erection genitals humanoid jacket lying male male_only monster monster_boy naxlevelnat object_insertion on_back pants_around_ankles pants_down penis sans_(undertale) simple_background skeleton solo_male spread_legs undead undertale undertale_(series)
1boy 2d alternate_version_available anal animated_skeleton blue_background blue_blush blue_eye blue_jacket blue_penis blush bone bottom_sans clothed digital_media ectopenis ectoplasm erection genitals humanoid jacket lying male male_only monster monster_boy naxlevelnat object_insertion on_back pants_around_ankles pants_down penis sans_(undertale) simple_background skeleton solo_male spread_legs undead undertale undertale_(series)
1boy 2d 2d_(artwork) ahegao alternate_version_available animated_skeleton arms_behind_back artist_request black_background blue_blush blue_cum blue_eye blue_jacket blue_penis blush bondage bottom_sans bound bound_arms clothed cum cum_on_self cumshot digital_media_(artwork) ectopenis ejaculation genital_fluids genitals handsfree_ejaculation jacket lowres male male_ahegao male_only malesub monster monster_boy penis penis_out sans sans_(undertale) skeleton solo solo_male submissive submissive_male tied_up uke_sans undead undertale undertale_(series) video_game_character video_games
1boy 2d 2d_(artwork) ahegao alternate_version_available animated_skeleton arms_behind_back artist_request black_background blue_blush blue_cum blue_eye blue_jacket blue_penis blush bondage bottom_sans bound bound_arms clothed cum cum_on_self cumshot digital_media_(artwork) ectopenis ejaculation genital_fluids genitals handsfree_ejaculation jacket lowres male male_ahegao male_only malesub monster monster_boy penis penis_out sans sans_(undertale) skeleton solo solo_male submissive submissive_male tied_up uke_sans undead undertale undertale_(series) video_game_character video_games
1boy 2d 2d_(artwork) alternate_version_available animated_skeleton arms_behind_back artist_request black_background blue_blush blue_eye blue_jacket blue_penis blush bondage bottom_sans bound bound_arms clothed digital_media_(artwork) ectopenis genitals jacket looking_at_viewer lowres male male_only malesub monster monster_boy penis penis_out sans sans_(undertale) skeleton solo solo_male submissive submissive_male tied_up uke_sans undead undertale undertale_(series) video_game_character video_games
1boy 2d 2d_(artwork) alternate_version_available animated_skeleton arms_behind_back artist_request black_background blue_blush blue_eye blue_jacket blue_penis blush bondage bottom_sans bound bound_arms clothed digital_media_(artwork) ectopenis genitals jacket looking_at_viewer lowres male male_only malesub monster monster_boy penis penis_out sans sans_(undertale) skeleton solo solo_male submissive submissive_male tied_up uke_sans undead undertale undertale_(series) video_game_character video_games
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
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
2010s 2017 2boys 2d 2males anal animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_eyes blue_penis blush bottom_sans comic_sans dark_background digital_media_(artwork) duo ectopenis elemental_creature elemental_humanoid english_text fire_elemental from_behind_position gay grabbing_from_behind grillby grillsans humanoid larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrating melle-d mellednsfw monster monster_boy one_eye_closed orange_body penetration penis profanity sans sans_(undertale) seme_grillby sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble text top_grillby uke_sans undead undertale undertale_(series) yaoi
2010s 2017 2boys 2d 2males anal animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_eyes blue_penis blush bottom_sans comic_sans dark_background digital_media_(artwork) duo ectopenis elemental_creature elemental_humanoid english_text fire_elemental from_behind_position gay grabbing_from_behind grillby grillsans humanoid larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrating melle-d mellednsfw monster monster_boy one_eye_closed orange_body penetration penis profanity sans sans_(undertale) seme_grillby sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble text top_grillby uke_sans undead undertale undertale_(series) yaoi
1boy 2d animated_skeleton blue_blush blue_penis blush bondage bottom_sans bottomless bottomless_male collar digital_media_(artwork) ectopenis erection genitals grillby grillsans humanoid jacket japanese_text kneeling leash leash_and_collar male male_focus male_only monster monster_boy off_shoulder orange_body penis pink_collar rope rope_bondage sans sans_(undertale) sex_toy shandrawaka simple_background skeleton solo_focus speech_bubble spoken_heart submissive text uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face vibrator vibrator_on_penis visible_breath white_background
1boy 2d animated_skeleton blue_blush blue_penis blush bondage bottom_sans bottomless bottomless_male collar digital_media_(artwork) ectopenis erection genitals grillby grillsans humanoid jacket japanese_text kneeling leash leash_and_collar male male_focus male_only monster monster_boy off_shoulder orange_body penis pink_collar rope rope_bondage sans sans_(undertale) sex_toy shandrawaka simple_background skeleton solo_focus speech_bubble spoken_heart submissive text uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face vibrator vibrator_on_penis visible_breath white_background
2020 2020s anal anal_insertion anal_object_insertion animated_skeleton blue_blush blue_cum blue_penis blush bottom_sans bottomless closed_eyes cum ectopenis ejaculation english_text grillsans kneeling male_masturbation masturbation moan moaning monster object_insertion open_mouth partially_clothed penile penile_masturbation penis sans sans_(undertale) sex_toy sex_toy_in_ass shandrawaka skeleton solo speech_bubble submissive t-shirt text text_bubble uke_sans undead undertale undertale_(series) vibrator vibrator_in_ass video_games wall wall_(structure) white_background
2020 2020s anal anal_insertion anal_object_insertion animated_skeleton blue_blush blue_cum blue_penis blush bottom_sans bottomless closed_eyes cum ectopenis ejaculation english_text grillsans kneeling male_masturbation masturbation moan moaning monster object_insertion open_mouth partially_clothed penile penile_masturbation penis sans sans_(undertale) sex_toy sex_toy_in_ass shandrawaka skeleton solo speech_bubble submissive t-shirt text text_bubble uke_sans undead undertale undertale_(series) vibrator vibrator_in_ass video_games wall wall_(structure) white_background
2010s 2015 2boys 2d animated_skeleton ball_gag big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_jacket blue_penis blue_tongue bottom_sans dark_background digital_media_(artwork) duo ectopenis ectotongue elemental_creature elemental_humanoid english_text fire_elemental gay genital_fluids genitals glasses glowing glowing_genitalia glowing_penis grillby grillsans handjob humanoid jacket larger_male male male/male male_only monster monster_boy mouth_gag open_mouth orange_body orgasm_denial penis precum rectangular_eyewear rectangular_glasses saliva sans sans_(undertale) scribble-secrets seme_grillby sitting skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom text tongue tongue_out top_grillby uke_sans undead undertale undertale_(series) white_background yaoi
2010s 2015 2boys 2d animated_skeleton ball_gag big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_jacket blue_penis blue_tongue bottom_sans dark_background digital_media_(artwork) duo ectopenis ectotongue elemental_creature elemental_humanoid english_text fire_elemental gay genital_fluids genitals glasses glowing glowing_genitalia glowing_penis grillby grillsans handjob humanoid jacket larger_male male male/male male_only monster monster_boy mouth_gag open_mouth orange_body orgasm_denial penis precum rectangular_eyewear rectangular_glasses saliva sans sans_(undertale) scribble-secrets seme_grillby sitting skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom text tongue tongue_out top_grillby uke_sans undead undertale undertale_(series) white_background yaoi