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2016 2boys 2d alternate_costume amortem-kun animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_hoodie blue_jacket blue_slippers blush boots bottom_sans brother/brother brothers chair clothed clothing couch digital_media duo ectotongue fontcest formal formal_clothes formal_wear furniture gloves hand_in_pocket hands_on_own_hips height_difference hooded_jacket hoodie humanoid incest intraspecies jacket kissing larger_male licking licking_neck male male/male male_only monster monster_boy multiple_views neck_tie necktie necktie_grab on_chair on_couch on_stool orange_blush orange_necktie orange_tongue papyrus_(undertale) papysans red_footwear red_gloves sans_(undertale) shoes shorter_male sibling_incest siblings simple_background sitting size_difference skeleton slippers small_sub smaller_male smaller_sub smaller_sub_bigger_dom standing stool suit taller_male teeth top_papyrus undead undertale undertale_(series) video_game_character video_games white_background yaoi

2016 2boys 2d alternate_costume amortem-kun animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_hoodie blue_jacket blue_slippers blush boots bottom_sans brother/brother brothers chair clothed clothing couch digital_media duo ectotongue fontcest formal formal_clothes formal_wear furniture gloves hand_in_pocket hands_on_own_hips height_difference hooded_jacket hoodie humanoid incest intraspecies jacket kissing larger_male licking licking_neck male male/male male_only monster monster_boy multiple_views neck_tie necktie necktie_grab on_chair on_couch on_stool orange_blush orange_necktie orange_tongue papyrus_(undertale)papysans red_footwear red_gloves sans_(undertale)shoes shorter_male sibling_incest siblings simple_background sitting size_difference skeleton slippers small_sub smaller_male smaller_sub smaller_sub_bigger_dom standing stool suit taller_male teeth top_papyrus undead undertale undertale_(series)video_game_character video_games white_background yaoi

2016 2boys 2d alternate_costume amortem-kun animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blue_hoodie blue_jacket blue_slippers blush boots bottom_sans brother/brother brothers chair clothed clothing couch digital_media duo ectotongue fontcest formal formal_clothes formal_wear furniture gloves hand_in_pocket hands_on_own_hips height_difference hooded_jacket hoodie humanoid incest intraspecies jacket kissing larger_male licking licking_neck male male/male male_only monster monster_boy multiple_views neck_tie necktie necktie_grab on_chair on_couch on_stool orange_blush orange_necktie orange_tongue papyrus_(undertale) papysans red_footwear red_gloves sans_(undertale) shoes shorter_male sibling_incest siblings simple_background sitting size_difference skeleton slippers small_sub smaller_male smaller_sub smaller_sub_bigger_dom standing stool suit taller_male teeth top_papyrus undead undertale undertale_(series) video_game_character video_games white_background yaoi

2021 2boys 2d alternate_costume amortem-kun animated_skeleton backwards_baseball_cap backwards_hat big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_penis blue_tongue bottom_sans bottomless brother/brother brother_penetrating_brother brothers car clothed digital_media duo ectopenis ectotongue fontcest gay hat headwear in_car incest intraspecies jacket larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy orange_penis orange_tongue papyrus_(undertale) papysans partially_clothed penetration penis sans_(undertale) sex sex_in_car shoes_on sibling_incest siblings skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom steering_wheel tongue tongue_out top_papyrus uncensored uncensored_penis undead undertale undertale_(series) yaoi