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immolationyyx

animated_skeleton artist_signature blue_blush blue_tongue blush bodily_fluids bottomless cat_ears_hoodie cat_gloves cat_hoodie fluids hoodie hoodie_only immolationyyx monster pixiv_id_9733540 sans sans_(undertale) skeleton undead undertale undertale_(series)
animated_skeleton artist_signature blue_blush blue_tongue blush bodily_fluids bottomless cat_ears_hoodie cat_gloves cat_hoodie fluids hoodie hoodie_only immolationyyx monster pixiv_id_9733540 sans sans_(undertale) skeleton undead undertale undertale_(series)
animated_skeleton artist_signature black_background black_stockings black_thighhighs bottomless dark_background dress_lift garter_straps immolationyyx monster nun_outfit one_eye_closed sans sans_(undertale) skeleton skirt_lift smile smirk solo stockings undead undertale undertale_(series) wink
animated_skeleton artist_signature black_background black_stockings black_thighhighs bottomless dark_background dress_lift garter_straps immolationyyx monster nun_outfit one_eye_closed sans sans_(undertale) skeleton skirt_lift smile smirk solo stockings undead undertale undertale_(series) wink
!! animated_skeleton blue_blush blue_tongue blush blushing bottomless cropped crying drooling ectopenis ectoplasm english_text erect_penis exclamation_mark exclamation_point fangs immolationyyx incest male male_only male_out_of_frame male_penetrating monster non-con non-consensual noncon nonconsensual orange_penis out_of_frame papyrus papyrus_(undertale) penetration penis pleading sans sans_(undertale) sex shirt_only shirt_up skeleton sweat tears text text_bubble tongue trembling undead undertail undertale undertale_(series) undertale_sans unseen_male unseen_male_face veiny_penis white_background
!! animated_skeleton blue_blush blue_tongue blush blushing bottomless cropped crying drooling ectopenis ectoplasm english_text erect_penis exclamation_mark exclamation_point fangs immolationyyx incest male male_only male_out_of_frame male_penetrating monster non-con non-consensual noncon nonconsensual orange_penis out_of_frame papyrus papyrus_(undertale) penetration penis pleading sans sans_(undertale) sex shirt_only shirt_up skeleton sweat tears text text_bubble tongue trembling undead undertail undertale undertale_(series) undertale_sans unseen_male unseen_male_face veiny_penis white_background
2010s 2018 2d 2d_(artwork) 5koma animated_skeleton artist_signature blue_tongue bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_panel digital_media_(artwork) duo ectotongue fontcest immolationyyx incest making_out monster orange_tongue papyrus papyrus_(undertale) papysans saliva_trail sans sans_(undertale) seme_papyrus sequence sequential skeleton textless tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
2010s 2018 2d 2d_(artwork) 5koma animated_skeleton artist_signature blue_tongue bottom_sans brother brother/brother brother_and_brother brothers clothed clothed_male clothing comic comic_panel digital_media_(artwork) duo ectotongue fontcest immolationyyx incest making_out monster orange_tongue papyrus papyrus_(undertale) papysans saliva_trail sans sans_(undertale) seme_papyrus sequence sequential skeleton textless tongue tongue_out top_papyrus tumblr uke_sans undead undertale undertale_(series) video_game_character video_games yaoi
animated_skeleton blue_blush blue_tongue blush bodily_fluids bottom_sans bottomless cat_ears_hoodie cat_gloves cat_hoodie fluids hoodie hoodie_only immolationyyx monster pixiv_id_9733540 sans sans_(undertale) skeleton uke_sans undead undertale undertale_(series)
animated_skeleton blue_blush blue_tongue blush bodily_fluids bottom_sans bottomless cat_ears_hoodie cat_gloves cat_hoodie fluids hoodie hoodie_only immolationyyx monster pixiv_id_9733540 sans sans_(undertale) skeleton uke_sans undead undertale undertale_(series)
!! 2010s 2017 2boys 2d 2d_(artwork) anal animated_skeleton artist_signature blue_blush blue_tongue blush bottom_sans bottomless brother brothers crying digital_media_(artwork) ectopenis ectoplasm fontcest genitals humanoid immolationyyx incest male male_focus male_out_of_frame male_penetrating monster monster_boy non-consensual nonconsensual orange_penis papyrus papyrus_(undertale) papysans penetration penis pixiv pixiv_id_9733540 pleading sans sans_(undertale) seme_papyrus sex shirt_only shirt_up skeleton solo_focus speech_bubble sweat tears text tongue top_papyrus trembling tumblr uke_sans undead undertale undertale_(series) unseen_male unseen_male_face veiny_penis video_game_character video_games white_background yaoi
!! 2010s 2017 2boys 2d 2d_(artwork) anal animated_skeleton artist_signature blue_blush blue_tongue blush bottom_sans bottomless brother brothers crying digital_media_(artwork) ectopenis ectoplasm fontcest genitals humanoid immolationyyx incest male male_focus male_out_of_frame male_penetrating monster monster_boy non-consensual nonconsensual orange_penis papyrus papyrus_(undertale) papysans penetration penis pixiv pixiv_id_9733540 pleading sans sans_(undertale) seme_papyrus sex shirt_only shirt_up skeleton solo_focus speech_bubble sweat tears text tongue top_papyrus trembling tumblr uke_sans undead undertale undertale_(series) unseen_male unseen_male_face veiny_penis video_game_character video_games white_background yaoi
1boy 2010s 2017 animated_skeleton artist_signature blue_blush blue_tongue blush bottom_sans bottomless chinese_text immolationyyx monster pixiv_id_9733540 sans sans_(undertale) shirt_only shirt_up skeleton submissive submissive_male sweat text tongue trembling uke_sans undead undertale undertale_(series) white_background
1boy 2010s 2017 animated_skeleton artist_signature blue_blush blue_tongue blush bottom_sans bottomless chinese_text immolationyyx monster pixiv_id_9733540 sans sans_(undertale) shirt_only shirt_up skeleton submissive submissive_male sweat text tongue trembling uke_sans undead undertale undertale_(series) white_background
2018 animated_skeleton black_background black_stockings black_thighhighs bottomless dark_background dress_lift garter_straps immolationyyx monster nun_outfit one_eye_closed sans sans_(undertale) skeleton skirt_lift smile smirk solo stockings undead undertale undertale_(series) wink
2018 animated_skeleton black_background black_stockings black_thighhighs bottomless dark_background dress_lift garter_straps immolationyyx monster nun_outfit one_eye_closed sans sans_(undertale) skeleton skirt_lift smile smirk solo stockings undead undertale undertale_(series) wink