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2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name black_background blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel digital_media_(artwork) dirty_talk dominant dominant_male domination dubious_consent duo echoheartx ectopenis ectotongue elegantfolly english_text fellatio fontcest fully_clothed fully_clothed_male gay gloves grabbing_head head_grab hooded_jacket hoodie incest jacket licking_penis male male/male male_only maledom malesub monochrome monster oral orange_penis orange_tongue papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis profanity sans sans_(undertale) seme_papyrus sequence sequential sitting 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_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel digital_media_(artwork)dirty_talk dominant dominant_male domination dubious_consent duo echoheartx ectopenis ectotongue elegantfolly english_text fellatio fontcest fully_clothed fully_clothed_male gay gloves grabbing_head head_grab hooded_jacket hoodie incest jacket licking_penis male male/male male_only maledom malesub monochrome monster oral orange_penis orange_tongue papyrus papyrus_(undertale)papysans partially_colored penis prehensile_penis profanity sans sans_(undertale)seme_papyrus sequence sequential sitting 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_tongue blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel digital_media_(artwork) dirty_talk dominant dominant_male domination dubious_consent duo echoheartx ectopenis ectotongue elegantfolly english_text fellatio fontcest fully_clothed fully_clothed_male gay gloves grabbing_head head_grab hooded_jacket hoodie incest jacket licking_penis male male/male male_only maledom malesub monochrome monster oral orange_penis orange_tongue papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis profanity sans sans_(undertale) seme_papyrus sequence sequential sitting 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 blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel couch digital_media_(artwork) dominant dominant_male domination duo echoheartx ectopenis elegantfolly english_text fontcest fully_clothed fully_clothed_male gloves grabbing_head head_grab hooded_jacket hoodie imminent_fellatio imminent_incest imminent_oral incest jacket male male/male male_only maledom malesub monochrome monster orange_penis papyrus papyrus_(undertale) papysans partially_colored penis penis_on_face prehensile_penis sans sans_(undertale) seme_papyrus sequence sequential sitting sitting_on_couch sitting_on_sofa 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 blush bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_page comic_panel couch digital_media_(artwork) dominant dominant_male domination duo echoheartx ectopenis elegantfolly english_text fontcest fully_clothed fully_clothed_male gloves grabbing_head head_grab hooded_jacket hoodie imminent_fellatio imminent_incest imminent_oral incest jacket male male/male male_only maledom malesub monochrome monster orange_penis papyrus papyrus_(undertale) papysans partially_colored penis prehensile_penis sans sans_(undertale) seme_papyrus sequence sequential sitting sitting_on_couch sitting_on_sofa skeleton sofa submissive submissive_male tentacle_penis text top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yaoi