home Favorites Best

1028283

2020s 2023 2boys animated_skeleton bedroom big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_hoodie blue_jacket boots bottom_sans bottomless bottomless_male brother brother/brother brother_and_brother brothers duo ectopenis ectoplasm fellatio fellatio_pov fontcest hooded_jacket hoodie humanoid incest indoors intraspecies jacket japanese_text larger_male licking licking_balls licking_penis licking_testicles male male/male male_focus male_only male_penetrating male_pov monster monster_boy papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penis pov red_boots red_penis s2ames2 sans sans_(undertale) seme_papyrus sex sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus text top_papyrus trembling trembling_legs uke_sans undead undertale undertale_(series) unseen_male_face yaoi

2020s 2023 2boys animated_skeleton bedroom big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_hoodie blue_jacket boots bottom_sans bottomless bottomless_male brother brother/brother brother_and_brother brothers duo ectopenis ectoplasm fellatio fellatio_pov fontcest hooded_jacket hoodie humanoid incest indoors intraspecies jacket japanese_text larger_male licking licking_balls licking_penis licking_testicles male male/male male_focus male_only male_penetrating male_pov monster monster_boy papyrus papyrus_(undertale)papysans partially_clothed partially_clothed_male penis pov red_boots red_penis s2ames2 sans sans_(undertale)seme_papyrus sex sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus text top_papyrus trembling trembling_legs uke_sans undead undertale undertale_(series)unseen_male_face yaoi

2020s 2023 2boys animated_skeleton bedroom big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_hoodie blue_jacket boots bottom_sans bottomless bottomless_male brother brother/brother brother_and_brother brothers duo ectopenis ectoplasm fellatio fellatio_pov fontcest hooded_jacket hoodie humanoid incest indoors intraspecies jacket japanese_text larger_male licking licking_balls licking_penis licking_testicles male male/male male_focus male_only male_penetrating male_pov monster monster_boy papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penis pov red_boots red_penis s2ames2 sans sans_(undertale) seme_papyrus sex sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus text top_papyrus trembling trembling_legs uke_sans undead undertale undertale_(series) unseen_male_face yaoi

2010s 2016 2boys 2d 2d_(artwork) animated_skeleton blue_tongue bottom_sans brother brother/brother brother_and_brother brothers clothed comic comic_panel comic_sans digital_media_(artwork) duo ectopenis ectotongue edit edited 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 papyrus_(font) papyrus_(undertale) papysans partially_colored penis penis_out pov sans sans_(undertale) seme_papyrus sequence sequential sibling_incest siblings skeleton sucking_penis talking tall_image text third-party_edit tombone-jack tomis-jb tongue top_papyrus tumblr uke_sans undead undertale undertale_(series) video_game_character video_games yaoi

1:1 1:1_aspect_ratio 1boy 1girl 2d 2d_(artwork) adshtorm big_penis blue_body blue_hair blue_skin breasts cum cum_in_mouth cum_inside deltarune digital_media_(artwork) faceless_male fellatio fellatio_pov female female_focus female_human female_kris_(deltarune) female_protagonist green hair_over_eyes human kris_(dark_world_form) kris_(deltarune) male male/female male_pov patreon_username pov sex short_hair solo_focus straight sucking text third-party_source twitter undertale_(series) unseen_male_face video_game_character video_games