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censored censored_penis charlie_morningstar_(hazbin_hotel) city city_background cityscape crossover dark-skinned_male demon demon_girl english_dialogue erection erection_under_clothing female femdom flying full_video glasses happy_hotel hat hazbin_hotel heart heart-shaped_pupils hell hotel hotel_room house how_the_fuck_is_this_worth_fifty_thousand kissing licking licking_lips lingerie locked long_hair long_video longer_than_30_seconds longer_than_one_minute magic makeup male male/female malesub meme moon moonlight mouth music music_video night night_sky noncon novelty_censor obsessed open_mouth pale-skinned_female pale_skin questionable_consent reverse_rape running running_away sharp_teeth short_hair side_ass skimpy_clothes skinny slim sound stalker steven_chase struggling sweat sweating synapson teeth teeth_showing thighs this_shit_worth_forty_bucks_at_most tied tied_hands tied_legs tied_up trees trying_to_escape trying_to_leave underwear verbalase verbalase_(youtuber) video yandere yellow_hair youtube youtubers 1boy 1girl 2024 2d absurdly_expensive amv animal_crossing animated ass assertive_female bed bedroom bedroom_eyes big_ass big_breasts big_thighs black_bra black_eyes black_hair black_lips black_lipstick black_nail_polish black_nails black_skin blonde_hair blush blush_lines breasts cap captain_america cartoon_beatbox_battles censored censored_penis charlie_morningstar_(hazbin_hotel) city city_background cityscape computer crossover dark-skinned_male demon demon_girl english_dialogue erection erection_under_clothing female femdom flying full_video glasses happy_hotel hat hazbin_hotel heart heart-shaped_pupils hell hotel hotel_room house how_the_fuck_is_this_worth_fifty_thousand isabelle_(animal_crossing) kissing licking licking_lips lingerie locked long_hair long_video longer_than_30_seconds longer_than_one_minute magic makeup male male/female malesub marvel meme moon moonlight mouth music music_video nickelodeon night night_sky nintendo noncon novelty_censor 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recreation scared shortstack small_breasts solo stuck suffocation tagme temporaryunity the_legend_of_zelda thick thick_thighs trapped trying_to_escape twili twilight_princess underwater unwilling water 1boy against_table animated_skeleton anon anonymous artist_request bent_over bottom_sans clothed clothing grabbing grabbing_from_behind groping groping_from_behind hand_in_pants hooded_jacket hoodie imminent_rape jacket male male_only malesub molestation monster non-con non-consensual noncon nonconsensual sans sans_(undertale) scissors skeleton solo_male submissive submissive_male torn_bottomwear torn_clothes torn_clothing torn_pants uke_sans undead undertale undertale_(series) white_background 1boy 1cuntboy 2010s 2017 2d 2d_(artwork) animated_skeleton begging_to_stop blue_blush blue_body blush bottom_sans broken_glass brother brother/brother brother_and_brother brother_penetrating_brother brothers clothed clothed_male comic comic_page comic_panel couch couch_sex crying cuntboy cuntboy_penetrated cuntboysub digital_media_(artwork) dominant_male dubious_consent duo ectobody ectopenis ectopussy ectotongue edit edited english_text fontcest from_front_position glass glowing_eye grabbing_clothing holding_glass incest large_filesize leg_over_shoulder licking long_image male male/cuntboy male_only male_penetrating male_penetrating_cuntboy maledom missionary_position monster non-con non-consensual noncon nonconsensual onomatopoeia orange_blush orange_penis orange_tongue pants_around_one_leg papyrus papyrus_(undertale) papysans penetration penis_through_fly pleading profanity pussy questionable_consent rape sans sans_(undertale) seme_papyrus sequence sequential sex sex_on_couch skeleton sofa soul soul_sex speech_bubble submissive_cuntboy supermuuh sweat talking tall_image tears teleport text text_bubble third-party_edit top_papyrus uke_sans undead undertale undertale_(series) unzipped unzipped_pants veiny_penis video_games yandere yandere_papyrus yaoi 2020s 2022 2boys anal animated_skeleton artist_name beetleevil big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_blush blush blushing_male bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed/nude clothed_male clothed_male_nude_male clothing completely_naked completely_nude crying crying_with_eyes_closed dominant dominant_male duo ectopenis ectoplasm english_text evilbeetle fontcest gloves grabbing_wrist incest larger_penetrating larger_penetrating_smaller male male/male male_only maledom malesub monster non-con non-consensual noncon nonconsensual nude nude_male orange_blush orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penetration penetration_from_behind penis rape red_gloves red_scarf sans sans_(undertale) scarf seme_papyrus sex sex_from_behind simple_background skeleton small_sub small_sub_big_dom smaller_penetrated 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undertale_(series) yaoi 2010s 2018 2d 2d_(artwork) animated_skeleton anon anonymous_male bathroom bathroom_stall bottom_sans comic comic_page comic_panel crying digital_media_(artwork) faceless_male kabeshiri monochrome monster non-con non-consensual noncon nonconsensual pf-pro-fucker pf_pro_fucker rape sans sans_(undertale) sequence sequential sex skeleton solo_focus stuck stuck_in_wall tears uke_sans undead undertale undertale_(series) video_game_character video_games wall_sex 2010s 2018 2d 2d_(artwork) anal animated_skeleton anon anonymous_male bathroom bathroom_stall bottom_sans comic comic_page comic_panel digital_media_(artwork) faceless_male kabeshiri monochrome monster non-con non-consensual noncon nonconsensual penetration pf-pro-fucker pf_pro_fucker rape sans sans_(undertale) sequence sequential sex skeleton solo_focus stuck stuck_in_wall thrusting uke_sans undead undertale undertale_(series) video_game_character video_games wall_sex 2010s 2018 2d 2d_(artwork) animated_skeleton anon anonymous_male bathroom bathroom_stall bottom_sans comic comic_page comic_panel digital_media_(artwork) faceless_male kabeshiri monochrome monster non-con non-consensual noncon nonconsensual penetration pf-pro-fucker pf_pro_fucker rape sans sans_(undertale) sequence sequential sex skeleton solo_focus stuck stuck_in_wall uke_sans undead undertale undertale_(series) video_game_character video_games wall_sex 2010s 2018 2d 2d_(artwork) animated_skeleton anon anonymous_male bathroom bathroom_stall bottom_sans comic comic_page comic_panel digital_media_(artwork) faceless_male imminent_rape imminent_sex kabeshiri monochrome monster non-con non-consensual noncon nonconsensual penis pf-pro-fucker pf_pro_fucker sans sans_(undertale) sequence sequential skeleton solo_focus stuck stuck_in_wall uke_sans undead undertale undertale_(series) video_game_character video_games 2010s 2018 2d 2d_(artwork) animated_skeleton anon anonymous_male bathroom bathroom_stall bottom_sans comic comic_page comic_panel digital_media_(artwork) faceless_character faceless_male grabbing_clothing imminent_rape imminent_sex kabeshiri kicking monochrome monster non-con non-consensual noncon nonconsensual pf-pro-fucker pf_pro_fucker pulling_pants_down sans sans_(undertale) sequence sequential skeleton solo_focus stuck stuck_in_wall uke_sans undead undertale undertale_(series) video_game_character video_games 2010s 2018 2d 2d_(artwork) animated_skeleton anon anonymous_male ass_grab bathroom bathroom_stall bottom_sans comic comic_page comic_panel digital_media_(artwork) faceless_character faceless_male grabbing_ass imminent_rape imminent_sex kabeshiri monochrome monster non-con non-consensual noncon nonconsensual pf-pro-fucker pf_pro_fucker sans sans_(undertale) sequence sequential skeleton solo_focus stuck stuck_in_wall uke_sans undead undertale undertale_(series) video_game_character video_games 2010s 2018 2boys 2d 2d_(artwork) anal animated_skeleton artist_name big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_hoodie blue_jacket blue_tongue bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers chain chains clothed crying crying_with_eyes_open digital_media_(artwork) dominant_male domination duo ectopenis ectoplasm ectotongue fontcest ganzooky gay genitals gradient_background hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller male male/male male_penetrated male_penetrating male_penetrating_male maledom monster non-con non-consensual noncon nonconsensual nsfwsinningsans open_mouth orange_background orange_penis papyrus papyrus_(undertale) papysans penetration penis rape red_gloves red_scarf sans sans_(undertale) scarf seme_papyrus sex simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears top_papyrus tumblr_username uke_sans undead undertale undertale_(series) video_game_character video_games yandere yandere_papyrus yaoi 2010s 2019 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 duo ectopenis ectoplasm faceless_male gay hooded_jacket hoodie injury jacket male male_penetrating monster non-con non-consensual noncon nonconsensual partially_clothed penetration penis rape rope s2ames2 sans sans_(undertale) sex skeleton solo_focus submissive tears tied_up trembling uke_sans undead undertale undertale_(series) unseen_male_face white_background yaoi 2010s 2019 2boys anal animated_skeleton blue_blush blue_jacket blush bottom_sans crying grabbing_sheets gripping_sheets jacket male male/male male_only male_pov muskkamu non-consensual noncon nonconsensual penetrating_pov penetration penetrator_pov pov rape sans sans_(undertale) sex skeleton sweat tears uke_sans undead undertale undertale_(series) unseen_male unseen_male_face white_background yaoi 2010s 2017 animated_skeleton begging_to_stop blue_blush blush bottom_sans brother brother/brother brother_and_brother brothers clothed comic comic_page comic_panel crying duo english_text fontcest glowing_eye incest male male_only monster non-con non-consensual noncon nonconsensual papyrus papyrus_(undertale) papysans pleading sans sans_(undertale) seme_papyrus sequence sequential skeleton soul soul_sex speech_bubble supermuuh tears text text_bubble top_papyrus uke_sans undead undertale undertale_(series) yandere yandere_papyrus yaoi 2010s 2017 animated_skeleton blue_blush blush bottom_sans brother brother/brother brother_and_brother brothers comic comic_page comic_panel duo ectotongue english_text fontcest gay glowing_eye incest licking male male_only monster non-con non-consensual noncon nonconsensual orange_tongue papyrus papyrus_(undertale) papysans sans sans_(undertale) seme_papyrus sequence sequential skeleton soul soul_sex speech_bubble supermuuh text text_bubble top_papyrus uke_sans undead undertale undertale_(series) yandere yandere_papyrus yaoi 1boy 1other 2d 2d_(artwork) ambiguous_gender androgynous artist_name big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male black_tongue darkner deltarune deltarune_chapter_2 digital_media_(artwork) duo hair_over_eyes human humanoid kicking kris_(dark_world_form) kris_(deltarune) larger_male licking long_tongue macro macro_male male male_humanoid mercurialcrown micro non-con non-consensual noncon nonconsensual prehensile_tongue seme_spamton short_hair size_difference small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom spamton_g._spamton spamton_neo string sword tongue top_spamton undertale_(series) video_game_character video_games weapon 1:1 1:1_aspect_ratio 2010s 2017 animated_skeleton blue_blush blue_tongue blush bottom_sans bound bound_arms chain_leash chained_arms chained_collar chains clothed collar crying drool ectotongue korean_text monochrome monster non-con non-consensual noncon nonconsensual peng2_(artist) peng2_undertale_(artist) restrained restraints sans sans_(undertale) skeleton solo solo_focus submissive sweat tears text uke_sans undead undertale undertale_(series) visible_breath white_background 1:1 1:1_aspect_ratio 2010s 2017 animated_skeleton blue_blush blush bottom_sans clothed covering_eyes covering_face crying implied_penetration implied_rape implied_sex korean_text monochrome monster non-con non-consensual noncon nonconsensual peng2_(artist) peng2_undertale_(artist) sans sans_(undertale) skeleton solo_focus submissive sweat tears text trembling uke_sans undead undertale undertale_(series) 1:1 1:1_aspect_ratio 2010s 2017 animated_skeleton blue_blush blush bottom_sans bottomless clothed crying crying_with_eyes_open drooling glowing implied_penetration implied_rape implied_sex korean_text monochrome monster non-con non-consensual noncon nonconsensual peng2_(artist) peng2_undertale_(artist) sans sans_(undertale) skeleton solo_focus submissive sweat tears text uke_sans undead undertale undertale_(series) visible_breath 2010s 2017 animated_skeleton blue_blush blush bottom_sans clothed crying drooling implied_penetration implied_rape implied_sex korean_text low_res lowres monochrome monster non-con non-consensual noncon nonconsensual peng2_(artist) peng2_undertale_(artist) sans sans_(undertale) skeleton solo_focus submissive sweat tears text top-down_bottom-up uke_sans undead undertale undertale_(series) 1:1 1:1_aspect_ratio 2020 2020s 2boys animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bottom_sans crying crying_with_eyes_open darkner deltarune deltarune_chapter_1 duo gay king_spade male/male male_only monster non-con non-consensual noncon nonconsensual nude sans sans_(undertale) size_difference skeleton sketch small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus stomach_mouth sympharin symphysins tears uke_sans undead undertale undertale_(series) unseen_male_face yaoi 2020 2020s 2boys animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bottom_sans clothed darkner deltarune deltarune_chapter_1 duo gay imminent_rape king_spade male/male male_only monster non-con non-consensual noncon nonconsensual sans sans_(undertale) size_difference skeleton sketch small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom stomach_mouth sympharin symphysins uke_sans undead undertale undertale_(series) white_background yaoi 2020s 2022 2boys 2d 2d_(artwork) animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_tongue bodily_fluids boner_blossom bottom_sans bottomless bottomless_male brother/brother brother_penetrating_brother brothers crying crying_with_eyes_open digital_media_(artwork) drooling duo ectopenis ectoplasm english_text fluids fontcest gay heart_eyes incest larger_male larger_penetrating male male/male male_only male_penetrated male_penetrating male_penetrating_male missionary_position monster non-con non-consensual noncon nonconsensual nude nude_male orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penis rape safeword sans sans_(undertale) seme_papyrus simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble sweat tears text text_bubble thrusting tongue top_papyrus twitter_username uke_sans undead undertale undertale_(series) video_game_character video_games yaoi 2020s 2022 2boys animated_skeleton big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller bleeding blood blue_blush blush boner_blossom bottom_sans bottomless bottomless_male brother/brother brother_penetrating_brother brothers clothed crying crying_with_eyes_open defloration deflowering drooling duo ectopenis ectoplasm english_text fontcest gay grabbing_arms grey_background incest larger_male larger_penetrating male male/male male_penetrating monochrome monster non-con non-consensual noncon nonconsensual nude onomatopoeia orange_blush papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male partially_colored penetration penis rape sans sans_(undertale) seme_papyrus sex simple_background sitting skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom speech_bubble sweat tears text text_bubble top_papyrus twitter_username uke_sans undead undertale undertale_(series) yaoi 2010s 2018 2boys 2d 2d_(artwork) animated_skeleton artist_name big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_hoodie blue_jacket blue_tongue bottom_sans bottomless brother_penetrating_brother brothers chain chains clothed crying crying_with_eyes_open digital_media_(artwork) dominant_male domination duo duplicate ectopenis ectoplasm ectotongue fontcest ganzooky gay gradient_background hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller lower_resolution_duplicate male male/male male_penetrated male_penetrating male_penetrating_male maledom monster non-con non-consensual noncon nonconsensual nsfwsinningsans open_mouth orange_background orange_penis papyrus papyrus_(undertale) papysans penetration penis rape red_gloves red_scarf sans sans_(undertale) scarf seme_papyrus sex simple_background skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears top_papyrus tumblr_username uke_sans undead undertale undertale_(series) video_game_character video_games yandere yandere_papyrus yaoi 2020s 2022 2d 2d_(artwork) animated_skeleton arm_grab black_and_white bottom_sans clothed covering_mouth fingering fingering_another fingering_partner gaster gaster_(undertale) grabbing_arm grabbing_hand hand hand_grab hand_on_mouth hands male monochrome monster multiple_hands non-con non-consensual noncon nonconsensual pants_pull pants_pulled_down sans sans_(undertale) sanster seme_gaster shirt_lift shirt_pull shirt_up skeleton socks_on top_gaster toubigaizi uke_sans undead undertale undertale_(series) undressing unseen_character video_games 2022 animated_skeleton anon anonymous_male bottom_sans bottomless bound_wrists clothed crying cum cum_on_face forced_fellatio forced_oral grabbing_head head_grab head_push hoodie irrumatio male monster mouthfuck non-con non-consensual noncon nonconsensual penetration penis pushing_head pushing_head_down rape sans sans_(undertale) sex skeleton sketch solo_focus spitroast sweat tied_up tied_wrists toubigaizi uke_sans undead undertale undertale_(series) unseen_male unseen_male_face 1:1 1:1_aspect_ratio 2010s 2018 2boys 2d 2d_(artwork) alternate_clothing alternate_costume anal animated_skeleton big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brother_penetrating_brother brothers carrying_partner clothed couch couch_sex crying crying_with_eyes_closed digital_media_(artwork) door duo ectopenis fontcest hi_res high_res highres implied_bondage incest indoors larger_penetrating larger_penetrating_smaller legs_apart legs_held_open legs_spread living_room male male_only male_penetrated male_penetrating male_penetrating_male monster non-consensual noncon nonconsensual nsfwgarbagedump on_couch on_sofa orange_penis papyrus papyrus_(undertale) papysans partially_clothed penetration penis pixiv_id_36285069 rape reverse_suspended_congress sans sans_(undertale) seme_papyrus sex sitting sitting_on_couch sitting_on_sofa skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa tears top_papyrus uke_sans undead undertale undertale_(series) video_game_character video_games yandere yandere_papyrus yaoi !! 2010s 2017 animated_skeleton artist_signature blue_blush blue_tongue blush bottom_sans bottomless crying ectopenis ectoplasm fontcest immolationyyx incest male male_focus male_out_of_frame male_penetrating monster non-con non-consensual noncon nonconsensual orange_penis papyrus papyrus_(undertale) papysans penetration penis pixiv_id_9733540 pleading sans sans_(undertale) seme_papyrus sex shirt_only shirt_up skeleton solo_focus sweat tears text text_bubble tongue top_papyrus trembling uke_sans undead undertale undertale_(series) unseen_male unseen_male_face veiny_penis white_background 2010s 2016 2boys animated_skeleton artist_signature bigger_dom bigger_dom_smaller_sub bigger_male biting blue_blush blue_hoodie blue_jacket blush blush_lines bottom_sans brother brother/brother brother_and_brother brothers clothed fangs fontcest fully_clothed gloves gradient_background hooded_jacket hoodie imminent_rape imminent_sex incest jacket larger_male 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sans sans_(undertale) seme_papyrus size_difference skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus submissive submissive_male tied_wrists top_papyrus uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi 1boy 2010s 2016 2d 2d_(artwork) animated_skeleton arms_behind_back ass_up begging_to_stop blue_blush blue_penis blue_tongue blush bottom_sans bound_arms chinese_text clothed crying crying_with_eyes_open cum cum_while_penetrated digital_media_(artwork) ectopenis ectotongue english_text heki_(artist) implied_penetration implied_rape male male_penetrated malesub miss60250 non-con non-consensual noncon nonconsensual penis pleading sans sans_(undertale) skeleton submissive_male sweat tears text tied_arms tied_up tongue tongue_out top-down_bottom-up uke_sans undead undertale undertale_(series) video_games 2020s 2021 animated_skeleton big_cock big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_male bottom_sans bottomless_male brother brother/brother brother_and_brother brothers clothed/nude clothed_male commission commission_art completely_naked completely_nude crying crying_with_eyes_open duo ectopenis fontcest from_behind gloves gradient_background grey_background incest larger_male male male/male male_only naked non-con non-consensual noncon nonconsensual nsfwgarbagedump nude orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_clothed_male penis red_gloves sans sans_(undertale) seme_papyrus skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom tears top_papyrus uke_sans undead undertale undertale_(series) veiny_penis yaoi 2020 2020s animal_genitalia animal_penis animated_skeleton belly_bulge big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller bottom_sans brother brother/brother brother_and_brother brothers crying crying_with_eyes_open diphallism drool duo ectobody ectopenis fontcest from_behind gaster_blaster genitals grabbing_arms grabbing_from_behind hemipenes huge_cock huge_penis incest larger_male larger_penetrating larger_penetrating_smaller line_art lineart male male_out_of_frame male_penetrating monster naked non-con non-consensual noncon nonconsensual nsfwgarbagedump papysans penetration penis prison_guard_position rape sans sans_(undertale) seme_papyrus sequence sequential sex size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus tears top_papyrus uke_sans undead undertale undertale_(series) unseen_male_face veiny_penis white_background yaoi 2020 2020s 2d 2d_(artwork) animal_genitalia animal_penis animated_skeleton begging_to_stop belly_bulge big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers covering_mouth crying crying_with_eyes_open digital_media_(artwork) diphallism duo ectobody ectopenis english_text fontcest gaster_blaster genitals hemipenes huge_cock huge_penis incest larger_male larger_penetrating larger_penetrating_smaller line_art lineart male male_out_of_frame male_penetrating monster non-con non-consensual noncon nonconsensual nsfwgarbagedump papyrus papyrus_(undertale) papysans penetration penis pleading rape sans sans_(undertale) seme_papyrus sequence sequential sex size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus tears text top_papyrus uke_sans undead undertale undertale_(series) unseen_male unseen_male_face veiny_penis video_games white_background yaoi 1:1 1:1_aspect_ratio 2010s 2018 2boys alternate_clothing alternate_costume animated_skeleton big_dom big_dom_small_sub big_penis bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blue_blush blush bottom_sans bottomless brother brother/brother brother_and_brother brothers carrying_partner clothed couch couch_sex crying crying_with_eyes_closed door duo duplicate ectopenis fontcest implied_bondage incest indoors larger_penetrating larger_penetrating_smaller legs_apart legs_held_open legs_spread lower_resolution_duplicate male male_only monster non-consensual noncon nonconsensual nsfwgarbagedump on_couch on_sofa orange_penis papyrus papyrus_(undertale) papysans partially_clothed penetration penis rape reverse_suspended_congress sans sans_(undertale) seme_papyrus sex sitting sitting_on_couch sitting_on_sofa skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa tears top_papyrus uke_sans undead undertale undertale_(series) yandere yandere_papyrus yaoi