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1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blue_tongue blush bottom_sans bound_ankles bound_arms bound_legs bound_wrists clothed cum_on_face cum_on_self cuntboy disembodied_hand ectoplasm ectopussy egg_vibrator hand hooded_jacket hoodie jacket logo_(pixiv30462562) looking_down monster object_insertion partially_clothed partially_nude pixiv_id_30462562 restrained restraints sans sans_(undertale) sex_toy sex_toy_insertion shackles skeleton solo_focus sweat tongue tongue_out uke_sans undead undertale undertale_(series) vibrating_dildo vibrator vibrator_in_pussy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_cum blue_hoodie blue_jacket blue_pussy blue_tongue blush bottom_sans bound_ankles bound_arms bound_legs bound_wrists clothed crying cum cuntboy disembodied_hand drooling ectoplasm ectopussy egg_vibrator hand hooded_jacket hoodie jacket logo_(pixiv30462562) monster object_insertion one_eye_closed orgasm partially_clothed partially_nude pixiv_id_30462562 restrained restraints sans sans_(undertale) sex_toy sex_toy_insertion shackles skeleton solo_focus sweat tears uke_sans undead undertale undertale_(series) vibrating_dildo vibrator vibrator_in_pussy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blush bottom_sans bound_ankles bound_arms bound_legs bound_wrists clothed cuntboy drooling ectoplasm ectopussy egg_vibrator hooded_jacket hoodie jacket logo_(pixiv30462562) monster object_insertion partially_clothed partially_nude pixiv_id_30462562 restrained restraints sans sans_(undertale) sex_toy sex_toy_insertion shackles skeleton solo_focus sweat uke_sans undead undertale undertale_(series) vibrating_dildo vibrator vibrator_in_pussy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blush bottom_sans bound_ankles bound_arms bound_legs bound_wrists clothed cuntboy ectoplasm ectopussy egg_vibrator hooded_jacket hoodie jacket logo_(pixiv30462562) monster object_insertion partially_clothed partially_nude pixiv_id_30462562 restrained restraints sans sans_(undertale) sex_toy sex_toy_insertion shackles skeleton solo_focus sweat uke_sans undead undertale undertale_(series) vibrating_dildo vibrator vibrator_in_pussy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blush bottom_sans bound_ankles bound_arms bound_legs bound_wrists clothed cuntboy disembodied_hand ectoplasm ectopussy egg_vibrator hand hooded_jacket hoodie jacket logo_(pixiv30462562) looking_at_viewer monster partially_clothed partially_nude pillow pixiv_id_30462562 restrained restraints sans sans_(undertale) sex_toy shackles skeleton solo_focus spread_pussy sweat talking_to_viewer uke_sans undead undertale undertale_(series) vibrator 2020s 2022 animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans brother_penetrating_brother brothers clothed crying crying_with_eyes_open cum drooling duo ectoplasm fontcest gloves grabbing_legs grabbing_sheets gripping_sheets hooded_jacket hoodie incest jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_held_open logo_(pixiv30462562) male male_out_of_frame male_penetrating monster orgasm papyrus papyrus_(undertale) papysans partially_clothed partially_nude penetration pixiv_id_30462562 red_gloves sans sans_(undertale) seme_papyrus sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus sweat tears text tongue tongue_out top_papyrus uke_sans undead undertale undertale_(series) unseen_male_face 2020s 2022 animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans brother_penetrating_brother brothers clothed crying crying_with_eyes_open cum drooling duo ectoplasm eyes_wide_open fontcest gloves grabbing_legs grabbing_sheets gripping_sheets hooded_jacket hoodie incest jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_held_open logo_(pixiv30462562) male male_out_of_frame male_penetrating monster orgasm papyrus papyrus_(undertale) papysans partially_clothed partially_nude penetration pixiv_id_30462562 red_gloves sans sans_(undertale) seme_papyrus sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus sweat tears text tongue tongue_out top_papyrus uke_sans undead undertale undertale_(series) unseen_male_face 2020s 2022 animated_skeleton anon blue_blush blue_hoodie blue_jacket blush bottom_sans clothed ectoplasm grabbing_pillow hand hand_on_another's_head hand_on_head hooded_jacket hoodie hugging_pillow jacket japanese_text logo_(pixiv30462562) monster object_insertion partially_clothed partially_nude pixiv_id_30462562 sans sans_(undertale) sex_toy sex_toy_insertion skeleton solo_focus sweat text uke_sans undead undertale undertale_(series) unseen_character vibrator 2022 2d 2d_(artwork) animated_skeleton blue_blush blue_hoodie blue_jacket blush bottom_sans bound bound_arms chains clothed disembodied_hands dominant_pov drooling ectoplasm fingering fingering_another fingering_partner gaster gaster_(undertale) hooded_jacket hoodie jacket japanese_text leg_grab legs_apart logo_(pixiv30462562) male monster partially_clothed partially_nude pixiv_id_30462562 potion pov restrained restraints sans sans_(undertale) sanster seme_gaster skeleton solo_focus submissive sweat text top_gaster uke_sans undead undertale undertale_(series) unseen_male unseen_male_face video_games yaoi 2020s 2022 against_wall animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans clothed clothed_male crying drooling duo faceless_male hooded_jacket hoodie jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster partially_clothed partially_nude penetration pixiv_id_30462562 sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_character unseen_male_face wall wall_(structure) 2020s 2022 animated_skeleton arched_back blue_blush blue_cum blue_hoodie blue_jacket blue_tongue blush bottom_sans clothed crying cum drooling hooded_jacket hoodie jacket japanese_text logo_(pixiv30462562) monster object_insertion orgasm pixiv_id_30462562 sans sans_(undertale) sex_toy sex_toy_insertion skeleton solo sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) vibrator 2022 animated_skeleton anon anonymous_male blue_blush blush bottom_sans crying drooling faceless_male grabbing_legs implied_penetration implied_sex japanese_text logo_(pixiv30462562) monochrome monster pixiv_id_30462562 sans sans_(undertale) skeleton solo_focus sweat tape_gag taped_mouth tears text uke_sans undead undertale undertale_(series) unseen_male unseen_male_face 2020s 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blush bottom_sans clothed crying crying_with_eyes_open dominant_pov ectoplasm faceless_male hooded_jacket hoodie irrumatio jacket larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male_pov monster mouthfuck partially_clothed partially_nude penetrating_pov penetration penetrator_pov pixiv_id_30462562 pov sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus spitroast sweat tears trio uke_sans undead undertale undertale_(series) unseen_male_face 2020s 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blush bottom_sans clothed crying crying_with_eyes_open dominant_pov ectoplasm faceless_male hooded_jacket hoodie irrumatio jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male_pov monster mouthfuck partially_clothed partially_nude penetrating_pov penetration penetrator_pov pixiv_id_30462562 pov sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus spitroast sweat tears text trio uke_sans undead undertale undertale_(series) unseen_male_face 1boy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brother_penetrating_brother brothers clothed crying cuntboy disembodied_hands disembodied_penis drooling ectopenis ectoplasm ectopussy fingers_interlocked fontcest gloves hands hooded_jacket hoodie incest interlocked_fingers intertwined_fingers jacket japanese_text logo_(pixiv30462562) male male/cuntboy male_out_of_frame male_penetrating monster one_eye_closed orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_nude penetration penis pixiv_id_30462562 red_gloves sans sans_(undertale) seme_papyrus sex skeleton solo_focus sweat tears text top_papyrus uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face 1boy 1cuntboy 2020s 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brothers clothed cuntboy disembodied_hands disembodied_penis drooling ectopenis ectoplasm ectopussy fingers_interlocked fontcest gloves hands hooded_jacket hoodie imminent_penetration imminent_sex incest interlocked_fingers intertwined_fingers jacket japanese_text logo_(pixiv30462562) male male/cuntboy male_out_of_frame male_penetrating monster orange_penis papyrus papyrus_(undertale) papysans partially_clothed partially_nude penis pixiv_id_30462562 red_gloves sans sans_(undertale) seme_papyrus skeleton solo_focus sweat text top_papyrus uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face 2022 animated_skeleton blue_hoodie blue_jacket bodily_fluids brothers clothed covering_mouth covering_own_mouth crying fully_clothed hooded_jacket hoodie jacket japanese_text kneel logo_(pixiv30462562) monster papyrus papyrus_(undertale) pixiv_id_30462562 puking sans sans_(undertale) skeleton solo_focus sweat tears text undead undertale undertale_(series) vomit white_background worried worried_expression 2020s 2022 2d 2d_(artwork) 5boys animated_skeleton anon anonymous_male blue_blush blue_hoodie blue_jacket blush bottom_sans bottomless bukkake censored censored_penis clothed creampie crying cum cum_on_face cuntboy digital_media_(artwork) drooling ectoplasm ectopussy faceless_male grabbing_arm group_sex hooded_jacket hoodie jacket logo_(pixiv30462562) male male_only male_out_of_frame monster mosaic_censoring multiple_boys multiple_males one_eye_closed penis pixiv_id_30462562 pussy sans sans_(undertale) skeleton solo_focus sweat tears uke_sans undead undertale undertale_(series) unseen_male_face video_games yaoi animated_skeleton anon anonymous_male blue_blush blue_hoodie blue_jacket blush bottom_sans bottomless clothed dominant_pov drooling ectoplasm faceless_male grabbing_legs grabbing_sheets gripping_sheets hooded_jacket hoodie jacket japanese_text legs_held_open logo_(pixiv30462562) looking_at_viewer male male_pov monster penetrating_pov penetration pixiv_id_30462562 pov sans sans_(undertale) sex skeleton sweat text uke_sans undead undertale undertale_(series) unseen_male_face 2020s 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans clothed clothed_male crying drooling faceless_male hooded_jacket hoodie implied_double_penetration implied_penetration implied_sex jacket larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster one_eye_closed pixiv_id_30462562 sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus sweat tears tongue_out trio uke_sans undead undertale undertale_(series) unseen_male_face white_background 2020s 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blush bottom_sans clothed drooling faceless_male hooded_jacket hoodie implied_double_penetration implied_penetration implied_sex jacket larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) looking_away male monster pixiv_id_30462562 sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus sweat trio uke_sans undead undertale undertale_(series) unseen_male_face white_background 2022 2d 2d_(artwork) animated_skeleton blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans clothed crying crying_with_eyes_open digital_media_(artwork) drooling ectoplasm ectopussy eye_fucking hooded_jacket hoodie jacket legs_forced_open legs_held_open logo_(pixiv30462562) male_only monster penetration pixiv_id_30462562 rape red_tentacles sans sans_(undertale) sex skeleton skull_fucking sweat tears tentacle tentacle_in_eye tentacle_rape tentacle_sex tentacles_around_arms tentacles_around_legs tentacles_everywhere tongue uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi animated_skeleton anon anonymous_male bdsm bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blindfold blindfolded blue_blush blue_hoodie blue_jacket blush bottom_sans clothed drooling faceless_male from_behind hooded_jacket hoodie jacket larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster penetration penetration_from_behind pixiv_id_30462562 sans sans_(undertale) sex sex_from_behind skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tied_up tied_wrists uke_sans undead undertale undertale_(series) unseen_male_face white_background animated_skeleton anon anonymous_male bdsm blue_blush blue_hoodie blue_jacket blush bottom_sans bound_wrists clothed dominant_pov drooling ectoplasm faceless_male hooded_jacket hoodie jacket logo_(pixiv30462562) male male_pov monster penetrating_pov pixiv_id_30462562 pov sans sans_(undertale) skeleton spread_legs sweat tied_up tied_wrists uke_sans undead undertale undertale_(series) unseen_male_face white_background animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blush bottom_sans bottomless clothed crying faceless_male hooded_jacket hoodie implied_penetration implied_sex jacket larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster pixiv_id_30462562 sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom spread_legs sweat tears uke_sans undead undertale undertale_(series) unseen_male_face white_background 2022 animated_skeleton anon blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans clothed cum_on_face drooling grabbed_from_behind grabbing_tongue hand hooded_jacket hoodie jacket logo_(pixiv30462562) looking_down monster pixiv_id_30462562 pov sans sans_(undertale) skeleton sweat tongue tongue_out uke_sans undead undertale undertale_(series) unseen_character white_background 2022 2d 2d_(artwork) animated_skeleton anon anonymous_male black_censor_bar blue_blush blue_hoodie blue_jacket blush bottom_sans censor_bar censored_penis clothed crying digital_media_(artwork) dominant_pov ectoplasm faceless_male grabbing_sheets gripping_sheets hood_up hooded_jacket hoodie jacket japanese_text kabeshiri livestream logo_(pixiv30462562) male male_pov monster penetrating_pov penis pixiv_id_30462562 pov sans sans_(undertale) skeleton stuck stuck_in_wall sweat tears text uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games 2022 2d 2d_(artwork) animated_skeleton anon anonymous_male black_censor_bar blue_hoodie blue_jacket bottom_sans censor_bar censored_penis clothed crying digital_media_(artwork) dominant_pov drooling ectoplasm faceless_male grabbing_sheets gripping_sheets hooded_jacket hoodie jacket japanese_text kabeshiri livestream logo_(pixiv30462562) male male_pov monster penetrating_pov penis pixiv_id_30462562 pov sans sans_(undertale) skeleton stuck stuck_in_wall sweat tears text uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games 2022 2d 2d_(artwork) animated_skeleton anon anonymous_male black_censor_bar blue_hoodie blue_jacket bottom_sans censor_bar censored_penis clothed digital_media_(artwork) dominant_pov ectoplasm faceless_male hooded_jacket hoodie imminent_penetration imminent_rape imminent_sex jacket japanese_text kabeshiri livestream logo_(pixiv30462562) male male_pov monitor monster penetrating_pov penis pixiv_id_30462562 pov sans sans_(undertale) skeleton stuck stuck_in_object stuck_in_wall sweat text uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games 2022 2d 2d_(artwork) animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male blue_blush blush bottom_sans clothed drooling duo fingers_interlocked gaster gaster_(undertale) grabbing_hands hand hands implied_sex interlocked_fingers intertwined_fingers larger_male logo_(pixiv30462562) male monster pinned_down pixiv_id_30462562 sans sans_(undertale) sanster skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solo_focus sweat uke_sans undead undertale undertale_(series) unseen_male_face video_games yaoi 2020s 2022 2d 2d_(artwork) animated_skeleton arm_grab blue_blush blush bottom_sans clothed crying dominant_pov drooling gaster gaster_(undertale) grabbing_arm grabbing_hand hand hand_grab hands hoodie implied_penetration implied_sex japanese_text logo_(pixiv30462562) male male_pov monster pixiv_id_30462562 pov sans sans_(undertale) sanster skeleton solo_focus sweat tears text uke_sans undead undertale undertale_(series) unseen_male_face video_games yaoi 2022 2d 2d_(artwork) animated_skeleton arm_grab blue_blush blush bottom_sans clothed crying dominant_pov drooling gaster gaster_(undertale) grabbing_arm grabbing_hand hand hand_grab hands hoodie logo_(pixiv30462562) male male_pov monster pixiv_id_30462562 pov sans sans_(undertale) sanster skeleton solo_focus sweat tears uke_sans undead undertale undertale_(series) unseen_male_face video_games yaoi 2022 2d 2d_(artwork) animated_skeleton blue_blush blush bottom_sans clothed dominant_pov drooling gaster gaster_(undertale) grabbing_hand groping hand hand_under_clothes hands hoodie logo_(pixiv30462562) looking_away male male_pov monster pixiv_id_30462562 pov sans sans_(undertale) sanster skeleton solo_focus sweat uke_sans undead undertale undertale_(series) unseen_male_face video_games yaoi 2020s 2022 2boys 2d 2d_(artwork) animated_skeleton blood blue_blush blush bottom_sans claws clothed crying digital_media_(artwork) domination drooling duo flowans flower flowey_the_flower flowsans hoodie injury interspecies japanese_text logo_(pixiv30462562) male monster one_eye_closed penetration pinned_down pixiv_id_30462562 plant plant_tentacle plant_tentacles rape sans sans_(undertale) seme_flowey sex skeleton solo_focus sweat tears tentacle tentacle_in_mouth tentacle_rape tentacle_sex tentacles_around_legs text top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi 2020s 2022 2boys 2d 2d_(artwork) animated_skeleton black_background black_censor_bar blue_blush blush bottom_sans censor_bar clothed creepy_eyes creepy_face creepy_smile digital_media_(artwork) duo ectoplasm flowans flower flowey_the_flower flowsans hoodie interspecies japanese_text logo_(pixiv30462562) monster one_eye_closed penetration pixiv_id_30462562 plant plant_penis plant_tentacle plant_tentacles potion rape sans sans_(undertale) seme_flowey sex simple_background skeleton solid_color_background sweat talking_to_another talking_to_partner tentacle tentacle_in_mouth tentacle_rape tentacle_sex tentacles_around_legs text top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller biting_sheets blue_blush blush bottom_sans clothed crying faceless_male from_behind grabbing_from_behind grabbing_sheets gripping_sheets hoodie japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster one_eye_closed penetration pixiv_id_30462562 sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears text uke_sans undead undertale undertale_(series) unseen_male_face 2022 animated_skeleton blue_blush blue_hoodie blue_jacket blue_tongue blush bottom_sans brother/brother brother_and_brother brothers clothed duo ectotongue fontcest fully_clothed gloves hooded_jacket hoodie incest jacket logo_(pixiv30462562) looking_at_another looking_at_partner monster orange_blush orange_tongue papyrus papyrus_(undertale) papysans pixiv_id_30462562 saliva_string saliva_trail sans sans_(undertale) seme_papyrus skeleton sweat tongue tongue_out top_papyrus uke_sans undead undertale undertale_(series) white_background 2020s 2022 animated_skeleton anon anonymous_male arm_grab bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_tongue blush bottom_sans clothed crying drooling faceless_male fingers_interlocked grabbing_arm grabbing_hand grabbing_hands hand_grab hoodie interlocked_fingers intertwined_fingers japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster pixiv_id_30462562 sans sans_(undertale) size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_male_face 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller black_censor_bar blue_blush blue_cum blue_tongue blush bottom_sans censor_bar censored_penis clothed cum cumshot dominant_pov drooling ectoplasm faceless_male fingers_interlocked grabbing_hand grabbing_hands hand_grab hoodie interlocked_fingers intertwined_fingers japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male male_pov monster penetrating_pov penis pixiv_id_30462562 pov sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom soul_sex sweat text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_male_face animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller black_censor_bar blue_blush blue_tongue blush bottom_sans censor_bar censored_penis clothed crying cum dominant_pov faceless_male fingers_interlocked grabbing_hand grabbing_hands hand_grab hoodie interlocked_fingers intertwined_fingers japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male male_pov monster penetrating_pov penetration penis pixiv_id_30462562 pov sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom soul_sex sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_male_face 2022 animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller black_censor_bar blue_blush blush bottom_sans censor_bar censored_penis clothed dominant_pov faceless_male fingers_interlocked glans grabbing_hand grabbing_hands hand_grab hoodie interlocked_fingers intertwined_fingers japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male male_pov monster penetrating_pov penis pixiv_id_30462562 pov sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom soul_sex sweat text uke_sans undead undertale undertale_(series) unseen_male_face 2022 animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blush bottom_sans brothers clothed crying drooling fontcest gloves hand_on_another's_head hand_on_head hooded_jacket hoodie hugging implied_penetration implied_sex incest jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv30462562) male monster motion_lines one_eye_closed orange_blush papyrus papyrus_(undertale) papysans pixiv_id_30462562 red_gloves sans sans_(undertale) seme_papyrus skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom sweat tears text text_bubble top_papyrus uke_sans undead undertale undertale_(series) unseen_male_face