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2d 3girls alternate_universe animated_skeleton big_breasts blue_body blue_eyes boner_blossom breasts brown_scarf color dream_sans dream_sans_(fan_character) dreamtale dreamtale_(undertale_fanfiction) dreamtale_au ectobody ectobreasts fan_character female female_only female_sans genderswap ink_sans ink_sans_(fan_character) inktale multiple_girls nipples rainbow_body rule_63 sans sans_(underswap) sans_au scarf skeleton small_breasts smile smiling tagme uncensored underswap underswap_sans undertale undertale_(series) undertale_au upper_body yellow_body yellow_eyes
2d 3girls alternate_universe animated_skeleton big_breasts blue_body blue_eyes boner_blossom breasts brown_scarf color dream_sans dream_sans_(fan_character) dreamtale dreamtale_(undertale_fanfiction) dreamtale_au ectobody ectobreasts fan_character female female_only female_sans genderswap ink_sans ink_sans_(fan_character) inktale multiple_girls nipples rainbow_body rule_63 sans sans_(underswap) sans_au scarf skeleton small_breasts smile smiling tagme uncensored underswap underswap_sans undertale undertale_(series) undertale_au upper_body yellow_body yellow_eyes
2d alternate_universe animated_skeleton bunny_costume chubby color cute dialogue dust_papyrus dust_sans dusttale dusttale_sans ectobreasts english english_dialogue english_text fan_character female_focus female_sans i_wuv_cofi papyrus_au sans sans_au sanscest skeleton solo_focus text underswap underswap_genderswap underswap_sans underswap_sans_genderswap undertale undertale_(series) undertale_au
2d alternate_universe animated_skeleton bunny_costume chubby color cute dialogue dust_papyrus dust_sans dusttale dusttale_sans ectobreasts english english_dialogue english_text fan_character female_focus female_sans i_wuv_cofi papyrus_au sans sans_au sanscest skeleton solo_focus text underswap underswap_genderswap underswap_sans underswap_sans_genderswap undertale undertale_(series) undertale_au
16-bit big_thighs black_background blue_body blue_scarf breasts demonmoxx ectobody ectobreasts ectopussy genderswap nipples pixel_art pussy rule_63 sans sans_(underswap) sans_au scarf skeleton sprite_art sprite_sheet thick_thighs underswap underswap_sans undertale_au v_sign white_outline
16-bit big_thighs black_background blue_body blue_scarf breasts demonmoxx ectobody ectobreasts ectopussy genderswap nipples pixel_art pussy rule_63 sans sans_(underswap) sans_au scarf skeleton sprite_art sprite_sheet thick_thighs underswap underswap_sans undertale_au v_sign white_outline
1girls 2023 2d beambobblox brown_hair female female_frisk female_only frisk frisk_au human human_female human_only red_eyes solo solo_female tagme twitter underswap undertale undertale_(series) undertale_au
1girls 2023 2d beambobblox brown_hair female female_frisk female_only frisk frisk_au human human_female human_only red_eyes solo solo_female tagme twitter underswap undertale undertale_(series) undertale_au
1boy 1boy1girl 1girls alternate_universe big_breasts blush breasts chara cowgirl_position enigi09 female female_penetrated fondling_breast genderswap genderswap_(mtf) heart hetero human human_penetrating male male_chara male_human male_penetrating male_penetrating_female mettalot nipples original_character penetration pussy_juice rule_63 sex straight tongue_out ts_underswap underswap undertale undertale_(series) undertale_au vaginal_penetration vaginal_sex
1boy 1boy1girl 1girls alternate_universe big_breasts blush breasts chara cowgirl_position enigi09 female female_penetrated fondling_breast genderswap genderswap_(mtf) heart hetero human human_penetrating male male_chara male_human male_penetrating male_penetrating_female mettalot nipples original_character penetration pussy_juice rule_63 sex straight tongue_out ts_underswap underswap undertale undertale_(series) undertale_au vaginal_penetration vaginal_sex
1boy 1boy1girl 1girls big_breasts blush bouncing_breasts breast_sucking breasts brown_hair chara enigi09 female female_focus female_penetrated genderswap genderswap_(mtf) heart hetero hugging human human_penetrating male male_chara male_human male_penetrating male_penetrating_female mettalot original rule_63 sex straight sucking_nipples sucking_penis ts_underswap underswap undertale undertale_(series) undertale_au
1boy 1boy1girl 1girls big_breasts blush bouncing_breasts breast_sucking breasts brown_hair chara enigi09 female female_focus female_penetrated genderswap genderswap_(mtf) heart hetero hugging human human_penetrating male male_chara male_human male_penetrating male_penetrating_female mettalot original rule_63 sex straight sucking_nipples sucking_penis ts_underswap underswap undertale undertale_(series) undertale_au
2d blue_fire color dialogue english english_dialogue english_text fire_girl fuku_fire leg_warmers long_socks naked tagme text ts_underswap uncensored underswap undertale undertale_(series) undertale_au
2d blue_fire color dialogue english english_dialogue english_text fire_girl fuku_fire leg_warmers long_socks naked tagme text ts_underswap uncensored underswap undertale undertale_(series) undertale_au
animated_skeleton blush bodily_fluids bone bottomwear cigarette cigarette_in_mouth clothed clothing english_text erection genital_fluids genitals gesture heart hi_res hoodie looking_at_viewer male male_only object_in_mouth open_bottomwear open_clothing open_pants orange_penis orange_tongue pants papyrus papyrus_(underswap) papyrus_au penis penis_out penis_through_fly poking_out precum precum_bead selfie skeleton solo solo_male text theyaois_(artist) tongue tongue_out topwear undead underswap undertale_au v_sign
animated_skeleton blush bodily_fluids bone bottomwear cigarette cigarette_in_mouth clothed clothing english_text erection genital_fluids genitals gesture heart hi_res hoodie looking_at_viewer male male_only object_in_mouth open_bottomwear open_clothing open_pants orange_penis orange_tongue pants papyrus papyrus_(underswap) papyrus_au penis penis_out penis_through_fly poking_out precum precum_bead selfie skeleton solo solo_male text theyaois_(artist) tongue tongue_out topwear undead underswap undertale_au v_sign
>< 1boy 1girls 2d blushing_profusely boner_blossom cameltoe clothed ectobody ectobutt ectopussy faceless_male female flustered humanoid imminent_sex male nudging offscreen_male penis penis_pressed_to_pussy pov rule_63 sans sans_(underswap) sans_au scarf sex skeleton sweat underswap underswap_sans undertale_(series) undertale_au undertale_fanfiction unseen_male_face
>< 1boy 1girls 2d blushing_profusely boner_blossom cameltoe clothed ectobody ectobutt ectopussy faceless_male female flustered humanoid imminent_sex male nudging offscreen_male penis penis_pressed_to_pussy pov rule_63 sans sans_(underswap) sans_au scarf sex skeleton sweat underswap underswap_sans undertale_(series) undertale_au undertale_fanfiction unseen_male_face
1girls 2023 2d beambobblox brown_hair female female_frisk female_only frisk frisk_au grey_background human human_female human_only knife looking_at_viewer red_eyes rosy_cheeks small_breasts solo solo_female tagme thick_thighs underswap undertale undertale_(series) undertale_au undertale_fanfiction
1girls 2023 2d beambobblox brown_hair female female_frisk female_only frisk frisk_au grey_background human human_female human_only knife looking_at_viewer red_eyes rosy_cheeks small_breasts solo solo_female tagme thick_thighs underswap undertale undertale_(series) undertale_au undertale_fanfiction
1boy 4futas absurd_res absurdres aimi_(sleepysushiroll) alternate_universe anal anal_sex animal_humanoid anthro ball_grab balls bear bigger_futa blue_body blush breasts clones dominant dominant_intersex erection eye_patch eyewear fellatio fivesome futa_on_male futanari futanari_penetrating gangbang genitals giant_panda gills glasses gradient_background group group_sex gynomorph hair hi_res humanoid intersex intersex/male larger_futanari male male_penetrated mammal marine marine_humanoid monster multiple_futa nude oral penetration penile penis penis_grab red_hair sex sharp_teeth siamkhan silver_hair simple_background size_difference smaller_male smile submissive submissive_male swapfell teeth underfell underswap undertale undertale_(series) undertale_au undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap) undyne_au
1boy 4futas absurd_res absurdres aimi_(sleepysushiroll) alternate_universe anal anal_sex animal_humanoid anthro ball_grab balls bear bigger_futa blue_body blush breasts clones dominant dominant_intersex erection eye_patch eyewear fellatio fivesome futa_on_male futanari futanari_penetrating gangbang genitals giant_panda gills glasses gradient_background group group_sex gynomorph hair hi_res humanoid intersex intersex/male larger_futanari male male_penetrated mammal marine marine_humanoid monster multiple_futa nude oral penetration penile penis penis_grab red_hair sex sharp_teeth siamkhan silver_hair simple_background size_difference smaller_male smile submissive submissive_male swapfell teeth underfell underswap undertale undertale_(series) undertale_au undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap) undyne_au
2d blue_body blue_eyes blue_penis cjc_bun color cum cum_in_ass cum_inside cum_while_penetrated cumming_from_anal_sex cumming_together cumming_while_penetrated cumshot ectobody ectopenis gay gradient_background leg_lift masturbating_while_penetrated masturbation masturbation_while_penetrated naked non-human nude penis purple_body purple_eyes sans sans_au sanscest tagme uncensored underlust underlust_sans underswap underswap_sans undertale undertale_(series) undertale_au yaoi
2d blue_body blue_eyes blue_penis cjc_bun color cum cum_in_ass cum_inside cum_while_penetrated cumming_from_anal_sex cumming_together cumming_while_penetrated cumshot ectobody ectopenis gay gradient_background leg_lift masturbating_while_penetrated masturbation masturbation_while_penetrated naked non-human nude penis purple_body purple_eyes sans sans_au sanscest tagme uncensored underlust underlust_sans underswap underswap_sans undertale undertale_(series) undertale_au yaoi
2d color ectopenis error_sans error_sans_(fan_character) errortale maten sans sans_au sanscest tagme underswap underswap_sans undertale undertale_(series) undertale_au voodoo voodoo_penetration voodoo_sex
2d color ectopenis error_sans error_sans_(fan_character) errortale maten sans sans_au sanscest tagme underswap underswap_sans undertale undertale_(series) undertale_au voodoo voodoo_penetration voodoo_sex
2018 2d 3boys alternate_universe animated_skeleton blue_penis blush bodily_fluids bone bottomwear brother brothers clothing color cunnilingus cuntboy cuntboy_sans_balls footwear gay genital_fluids genitals gloves group handwear herm hermaphrodite humanoid incest intersex kerchief licking male male/male male_on_maleherm maleherm multi_genitalia oral orange_tongue papyrus papyrus_(underfell) papyrus_(underswap) penile penis penis_lick precum pussy red_penis sans sans_(underswap) scarf sex sibling simple_background skeleton theyaois_(artist) threesome tongue tongue_out topwear trio uncensored undead underfell underswap undertale undertale_(series) undertale_au yaoi
2018 2d 3boys alternate_universe animated_skeleton blue_penis blush bodily_fluids bone bottomwear brother brothers clothing color cunnilingus cuntboy cuntboy_sans_balls footwear gay genital_fluids genitals gloves group handwear herm hermaphrodite humanoid incest intersex kerchief licking male male/male male_on_maleherm maleherm multi_genitalia oral orange_tongue papyrus papyrus_(underfell) papyrus_(underswap) penile penis penis_lick precum pussy red_penis sans sans_(underswap) scarf sex sibling simple_background skeleton theyaois_(artist) threesome tongue tongue_out topwear trio uncensored undead underfell underswap undertale undertale_(series) undertale_au yaoi
blue_blush ectopenis killer_sans killer_sans_(fan_character) killertale sans sans_au sanscest skeleton underswap underswap_sans undertale undertale_(series) undertale_au
blue_blush ectopenis killer_sans killer_sans_(fan_character) killertale sans sans_au sanscest skeleton underswap underswap_sans undertale undertale_(series) undertale_au
1girls 2d 5hitzzzu alternate_universe animated_skeleton big_breasts boombita breasts cleavage color ectobody ectobreasts ectoplasm ectotongue eyelashes female female_only funcu funculicious meatcuteshii pinkbobatoo rule_63 sans sans_(underswap) sans_au skeleton skiddioop solo star_eyes stereodaddy tagme underswap underswap_sans undertale undertale_(series) undertale_au
1girls 2d 5hitzzzu alternate_universe animated_skeleton big_breasts boombita breasts cleavage color ectobody ectobreasts ectoplasm ectotongue eyelashes female female_only funcu funculicious meatcuteshii pinkbobatoo rule_63 sans sans_(underswap) sans_au skeleton skiddioop solo star_eyes stereodaddy tagme underswap underswap_sans undertale undertale_(series) undertale_au
2boys 2d anal artist_request ass blue_body blue_penis cum cum_in_ass cum_inside doggy_style enjoying femboy gay humanoid male male/male male_only on_bed on_knees red_penis sans sans_(underfell) sans_(underswap) sans_au sanscest selfcest sex star_eyes star_shaped_pupils tagme tagme_(artist) testicles underfell underfell_sans underswap underswap_sans undertale_(series) undertale_au
2boys 2d anal artist_request ass blue_body blue_penis cum cum_in_ass cum_inside doggy_style enjoying femboy gay humanoid male male/male male_only on_bed on_knees red_penis sans sans_(underfell) sans_(underswap) sans_au sanscest selfcest sex star_eyes star_shaped_pupils tagme tagme_(artist) testicles underfell underfell_sans underswap underswap_sans undertale_(series) undertale_au
2d ahe_gao anal artist_request ass color cum doggy_style enjoying femboy gay night on_bed on_knees sex small_penis tagme tongue_out uncensored underfell underfell_sans underswap underswap_sans undertale undertale_(series)
2d ahe_gao anal artist_request ass color cum doggy_style enjoying femboy gay night on_bed on_knees sex small_penis tagme tongue_out uncensored underfell underfell_sans underswap underswap_sans undertale undertale_(series)
1girls 2d 5hitzzzu big_breasts boombita breasts dress female female_only funcu funculicious meatcuteshii monster monster_girl no_color pinkbobatoo rule_63 sans sans_(underswap) sans_au shortstack sketch skiddioop slutty_outfit stereodaddy tagme underswap underswap_sans undertale undertale_(series) undertale_au
1girls 2d 5hitzzzu big_breasts boombita breasts dress female female_only funcu funculicious meatcuteshii monster monster_girl no_color pinkbobatoo rule_63 sans sans_(underswap) sans_au shortstack sketch skiddioop slutty_outfit stereodaddy tagme underswap underswap_sans undertale undertale_(series) undertale_au
1girls 2d 5hitzzzu alternate_universe animated_skeleton big_breasts boombita breasts cleavage clothed clothing color ectobody ectobreasts ectoplasm ectotongue female female_only female_sans funcu funculicious genderswap_(mtf) hi_res looking_up meatcuteshii monster monster_girl pinkbobatoo rule_63 sans sans_au skeleton skiddioop smile solo solo_female standing star_eyes stereodaddy tagme underswap underswap_sans underswap_sans_genderswap undertale undertale_(series) undertale_au
1girls 2d 5hitzzzu alternate_universe animated_skeleton big_breasts boombita breasts cleavage clothed clothing color ectobody ectobreasts ectoplasm ectotongue female female_only female_sans funcu funculicious genderswap_(mtf) hi_res looking_up meatcuteshii monster monster_girl pinkbobatoo rule_63 sans sans_au skeleton skiddioop smile solo solo_female standing star_eyes stereodaddy tagme underswap underswap_sans underswap_sans_genderswap undertale undertale_(series) undertale_au
2d 3boys blue_eyes blueberry color dialogue double_penetration english english_dialogue english_text femboy gangbang gay heart-shaped_pupils horny incest male monster monster_boy papyrus penetration penis_in_mouth sans sex sucking tagme text underfell underfell_papyrus underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2d 3boys blue_eyes blueberry color dialogue double_penetration english english_dialogue english_text femboy gangbang gay heart-shaped_pupils horny incest male monster monster_boy papyrus penetration penis_in_mouth sans sex sucking tagme text underfell underfell_papyrus underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2d 4boys ahe_gao artist_request color cum cum_on_face dialogue english english_dialogue english_text femboy gangbang gay heart-shaped_pupils horny incest male monster monster_boy papyrus papyrus_au penis penis_on_face sans sans_au sex shirt_pull tag tagme_(artist) text underfell_papyrus underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2d 4boys ahe_gao artist_request color cum cum_on_face dialogue english english_dialogue english_text femboy gangbang gay heart-shaped_pupils horny incest male monster monster_boy papyrus papyrus_au penis penis_on_face sans sans_au sex shirt_pull tag tagme_(artist) text underfell_papyrus underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
1girls 5hitzzzu alternate_universe animated_skeleton big_breasts blue_body blue_eyes blue_sans_penis blue_sans_tongue blue_scarf blue_tongue boombita breasts cleavage clothing ectobody ectobreasts ectotongue eyelashes female female_only funcu funculicious genderswap meatcuteshii meta_request pinkbobatoo rule_63 sans sans_(underswap) sans_au sans_glowing_eye scarf simple_background skeleton skiddioop solid_color_background solo solo_female star_pupils stereodaddy tagme tongue tongue_out underswap underswap_sans undertale_au
1girls 5hitzzzu alternate_universe animated_skeleton big_breasts blue_body blue_eyes blue_sans_penis blue_sans_tongue blue_scarf blue_tongue boombita breasts cleavage clothing ectobody ectobreasts ectotongue eyelashes female female_only funcu funculicious genderswap meatcuteshii meta_request pinkbobatoo rule_63 sans sans_(underswap) sans_au sans_glowing_eye scarf simple_background skeleton skiddioop solid_color_background solo solo_female star_pupils stereodaddy tagme tongue tongue_out underswap underswap_sans undertale_au
2boys 2d abosinsin alternate_universe animated_skeleton big_dom_small_sub blush color english_text face_out_of_frame gay incest male male_only moaning monster monster_boy papyrus papyrus_au sans sans_au sex skeleton sweat tagme tears text tongue_out tugging_clothing twitching underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2boys 2d abosinsin alternate_universe animated_skeleton big_dom_small_sub blush color english_text face_out_of_frame gay incest male male_only moaning monster monster_boy papyrus papyrus_au sans sans_au sex skeleton sweat tagme tears text tongue_out tugging_clothing twitching underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2boys 2d abosinsin alternate_universe animated_skeleton big_dom_small_sub blush color gay gripping_sheets incest male male_only moaning monster monster_boy papyrus papyrus_(underswap) papyrus_au sans sans_(underswap) sans_au sex size_difference skeleton solo_focus sweat tagme tongue_out underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au unseen_male_face
2boys 2d abosinsin alternate_universe animated_skeleton big_dom_small_sub blush color gay gripping_sheets incest male male_only moaning monster monster_boy papyrus papyrus_(underswap) papyrus_au sans sans_(underswap) sans_au sex size_difference skeleton solo_focus sweat tagme tongue_out underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au unseen_male_face
2d anal_beads blush dildo dildo_in_pussy dildo_penetration dildo_riding ectobody english_text hoodie implied_incest incest masturbating_while_watching offscreen_masturbation papyrus_(underswap) papyrus_au riding_dildo rule_63 sans sans_(underswap) sans_au scarf sex_toy skeleton stockings straight tagme tentacle_dildo text trembling underswap underswap_papyrus underswap_sans undertale_(series) undertale_au undertale_fanfiction vaginal_penetration watching wor_mspit
2d anal_beads blush dildo dildo_in_pussy dildo_penetration dildo_riding ectobody english_text hoodie implied_incest incest masturbating_while_watching offscreen_masturbation papyrus_(underswap) papyrus_au riding_dildo rule_63 sans sans_(underswap) sans_au scarf sex_toy skeleton stockings straight tagme tentacle_dildo text trembling underswap underswap_papyrus underswap_sans undertale_(series) undertale_au undertale_fanfiction vaginal_penetration watching wor_mspit
2boys 2d boner_blossom comic dialogue english english_dialogue english_text funny humor meme sans sans_(underfell) sans_(underswap) sans_au tagme talking text underfell underfell_sans underswap underswap_sans undertale undertale_(series) undertale_au
2boys 2d boner_blossom comic dialogue english english_dialogue english_text funny humor meme sans sans_(underfell) sans_(underswap) sans_au tagme talking text underfell underfell_sans underswap underswap_sans undertale undertale_(series) undertale_au
2boys 2d collar collar_and_leash color dialogue ectobody ectopenis english english_dialogue english_text gay leash leash_and_collar leash_pull male male/male male_only red_body red_penis sans sans_au sanscest spiked_collar submissive_male talking text underfell underfell_sans underswap underswap_sans undertale undertale_(series) undertale_au yaoi
2boys 2d collar collar_and_leash color dialogue ectobody ectopenis english english_dialogue english_text gay leash leash_and_collar leash_pull male male/male male_only red_body red_penis sans sans_au sanscest spiked_collar submissive_male talking text underfell underfell_sans underswap underswap_sans undertale undertale_(series) undertale_au yaoi
2d animated_skeleton boy_rape color cuntboy dialogue ectopussy english english_dialogue english_text flowey_(undertale) flowey_the_flower ganzooky intersex orange_hoodie papyrus papyrus_(underswap) papyrus_au plant rape rape_face restrained talking tentacle text underswap underswap_papyrus undertale undertale_(series) undertale_au vines
2d animated_skeleton boy_rape color cuntboy dialogue ectopussy english english_dialogue english_text flowey_(undertale) flowey_the_flower ganzooky intersex orange_hoodie papyrus papyrus_(underswap) papyrus_au plant rape rape_face restrained talking tentacle text underswap underswap_papyrus undertale undertale_(series) undertale_au vines
2boys 2d english english_text humor male male_only meme papyrus papyrus_(underswap) sans tagme text underswap undertale undertale_(series)
2boys 2d english english_text humor male male_only meme papyrus papyrus_(underswap) sans tagme text underswap undertale undertale_(series)
2d english english_text gay humor incest male male/male male_only meme papyrus papyrus_(underswap) sans text underswap underswap_sans undertale undertale_(series) yaoi
2d english english_text gay humor incest male male/male male_only meme papyrus papyrus_(underswap) sans text underswap underswap_sans undertale undertale_(series) yaoi
2d angry_vein blue_eyes christmas comic_sans dialogue english english_text incest papyrus papyrus_(font) papyrus_(underswap) papyrus_au sans sans_(underswap) sans_au talking text underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2d angry_vein blue_eyes christmas comic_sans dialogue english english_text incest papyrus papyrus_(font) papyrus_(underswap) papyrus_au sans sans_(underswap) sans_au talking text underswap underswap_papyrus underswap_sans undertale undertale_(series) undertale_au
2boys boner_blossom bones_on_skin_(artist) fresh_sans gay male male/male male_only multi_tongue penetration sans sans_(underswap) sans_au sanscest sex sex_from_behind tagme tongue underfresh underswap underswap_sans undertale_au white_background yaoi
2boys boner_blossom bones_on_skin_(artist) fresh_sans gay male male/male male_only multi_tongue penetration sans sans_(underswap) sans_au sanscest sex sex_from_behind tagme tongue underfresh underswap underswap_sans undertale_au white_background yaoi
2boys 2d anal animated_skeleton blue_eyes blue_gloves dialog dialogue dominant_pov drool duo ectoplasm english english_text game gay gloves grabbing_leg grillby grillby_au leg_grab legs_spread male male_pov on_back open_mouth orange_body penetrating_pov penetration penetrator_pov penis pov sans sans_(underswap) sans_au shandrawaka skeleton solo_focus speech_bubble spread_legs star-shaped_pupils star_eyes star_shaped_pupils symbol-shaped_pupils talking tears text text_bubble undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au video_games yaoi
2boys 2d anal animated_skeleton blue_eyes blue_gloves dialog dialogue dominant_pov drool duo ectoplasm english english_text game gay gloves grabbing_leg grillby grillby_au leg_grab legs_spread male male_pov on_back open_mouth orange_body penetrating_pov penetration penetrator_pov penis pov sans sans_(underswap) sans_au shandrawaka skeleton solo_focus speech_bubble spread_legs star-shaped_pupils star_eyes star_shaped_pupils symbol-shaped_pupils talking tears text text_bubble undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au video_games yaoi
2boys 2d animated_skeleton blue_blush blue_gloves blue_tongue blush bottomless bowtie dialogue duo embarrassed english english_dialogue english_text fellatio gay glasses gloves grillby grillby_au male male/male male_only oral pink_bowtie sans sans_(underswap) sans_au shandrawaka simple_background skeleton speech_bubble spiral_eyes suck sucking sucking_penis talking text undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au white_background yaoi
2boys 2d animated_skeleton blue_blush blue_gloves blue_tongue blush bottomless bowtie dialogue duo embarrassed english english_dialogue english_text fellatio gay glasses gloves grillby grillby_au male male/male male_only oral pink_bowtie sans sans_(underswap) sans_au shandrawaka simple_background skeleton speech_bubble spiral_eyes suck sucking sucking_penis talking text undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au white_background yaoi
1boy 2d blush blush_lines chinese_text completely_nude completely_nude_male cum cum_on_floor embarrassed english_text fair_skin fire_elemental glasses grillby grillby_au kneeling large_penis male male_only naked nude open_mouth orange_skin pink_bowtie shandrawaka sitting solo solo_male spiral_eyes spiral_glasses text underswap underswap_grillby undertale undertale_(series) undertale_au white_background
1boy 2d blush blush_lines chinese_text completely_nude completely_nude_male cum cum_on_floor embarrassed english_text fair_skin fire_elemental glasses grillby grillby_au kneeling large_penis male male_only naked nude open_mouth orange_skin pink_bowtie shandrawaka sitting solo solo_male spiral_eyes spiral_glasses text underswap underswap_grillby undertale undertale_(series) undertale_au white_background