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2boys 2d 2d_(artwork) animated_skeleton bottom_sans bound clothed digital_media_(artwork) duo flowans flower flowey_the_flower flowsans gay interspecies looking_at_another looking_at_each_other looking_at_partner male male/male male_only monochrome monster monster_boy mouth_gag plant plant_tentacle restrained sans sans_(undertale) seme_flowey simple_background skeleton submissive tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) ut-2828282928 video_game_character video_games vine_tentacles vines white_background yaoi
2boys 2d 2d_(artwork) animated_skeleton bottom_sans bound clothed digital_media_(artwork) duo flowans flower flowey_the_flower flowsans gay interspecies looking_at_another looking_at_each_other looking_at_partner male male/male male_only monochrome monster monster_boy mouth_gag plant plant_tentacle restrained sans sans_(undertale) seme_flowey simple_background skeleton submissive tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) ut-2828282928 video_game_character video_games vine_tentacles vines white_background yaoi
2boys 2d 2d_(artwork) animated_skeleton bottom_sans bound clothed convenient_censoring convenient_censorship digital_media_(artwork) duo flowans flower flowey_the_flower flowsans gay implied_penetration interspecies korean_text male male/male male_only monochrome monster monster_boy mouth_forced_open plant plant_tentacle restrained sans sans_(undertale) seme_flowey simple_background skeleton soul soul_sex submissive tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_legs tentacles_on_male text top_flowey uke_sans undead undertale undertale_(series) ut-2828282928 video_game_character video_games vine_tentacles vines white_background yaoi
2boys 2d 2d_(artwork) animated_skeleton bottom_sans bound clothed convenient_censoring convenient_censorship digital_media_(artwork) duo flowans flower flowey_the_flower flowsans gay implied_penetration interspecies korean_text male male/male male_only monochrome monster monster_boy mouth_forced_open plant plant_tentacle restrained sans sans_(undertale) seme_flowey simple_background skeleton soul soul_sex submissive tentacle tentacle_on_male tentacle_rape tentacle_sex tentacles_around_legs tentacles_on_male text top_flowey uke_sans undead undertale undertale_(series) ut-2828282928 video_game_character video_games vine_tentacles vines white_background yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton belly bottom_sans digital_media_(artwork) duo ectobelly ectobody eggs eggs_in_belly eggs_in_stomach flowans flower flowey_the_flower flowsans male male/male male_only monochrome nonconsensual oviposition plant sans sans_(undertale) seme_flowey sex_toy skeleton tentacle thesourceofmysins top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton belly bottom_sans digital_media_(artwork) duo ectobelly ectobody eggs eggs_in_belly eggs_in_stomach flowans flower flowey_the_flower flowsans male male/male male_only monochrome nonconsensual oviposition plant sans sans_(undertale) seme_flowey sex_toy skeleton tentacle thesourceofmysins top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton belly bottom_sans duo easter ectobelly ectobody eggs eggs_in_belly eggs_in_stomach flowans flower flowey_the_flower flowsans happy_easter male male/male male_only nonconsensual oviposition plant sans sans_(undertale) seme_flowey skeleton tentacle thesourceofmysins top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi
2010s 2018 2boys 2d 2d_(artwork) animated_skeleton belly bottom_sans duo easter ectobelly ectobody eggs eggs_in_belly eggs_in_stomach flowans flower flowey_the_flower flowsans happy_easter male male/male male_only nonconsensual oviposition plant sans sans_(undertale) seme_flowey skeleton tentacle thesourceofmysins top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi
2boys animated_skeleton blue_blush blue_penis blush bottom_sans bound bound_arms duo ectopenis flowans flower flowey_the_flower flowsans jacket male male_only monster partially_colored penis plant precum sans sans_(undertale) seme_flowey skeleton sweat top_flowey uke_sans undead undertale undertale_(series) vine_bondage vine_tentacles vines white_background yaoi
2boys animated_skeleton blue_blush blue_penis blush bottom_sans bound bound_arms duo ectopenis flowans flower flowey_the_flower flowsans jacket male male_only monster partially_colored penis plant precum sans sans_(undertale) seme_flowey skeleton sweat top_flowey uke_sans undead undertale undertale_(series) vine_bondage vine_tentacles vines white_background yaoi
2boys 2d 2d_(artwork) 4_fingers animated_skeleton blue_blush blue_penis blush bone bottom_sans clothed dark_background digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans genitals gradient_background interspecies male male/male male_only monster penis plant purple_background sans sans_(undertale) seme_flowey simple_background skeleton smile sweat tentacle tentacle_on_male tentaclejob tentacles_on_male testicle text tinybeasts tinynsfw top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi
2boys 2d 2d_(artwork) 4_fingers animated_skeleton blue_blush blue_penis blush bone bottom_sans clothed dark_background digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans genitals gradient_background interspecies male male/male male_only monster penis plant purple_background sans sans_(undertale) seme_flowey simple_background skeleton smile sweat tentacle tentacle_on_male tentaclejob tentacles_on_male testicle text tinybeasts tinynsfw top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys ahegao animated_skeleton assisted_fellatio assisted_sex blue_tongue bondage bottom_sans bound brother_penetrating_brother brothers cum cum_in_mouth cum_on_face cum_on_tongue digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest goopynoms incest male male/male male/male/male male_only male_penetrating monochrome monster mouth_forced_open orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys ahegao animated_skeleton assisted_fellatio assisted_sex blue_tongue bondage bottom_sans bound brother_penetrating_brother brothers cum cum_in_mouth cum_on_face cum_on_tongue digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest goopynoms incest male male/male male/male/male male_only male_penetrating monochrome monster mouth_forced_open orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys animated_skeleton assisted_fellatio assisted_sex blue_penis blue_tongue bondage bottom_sans bound brothers digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay genitals goopynoms imminent_fellatio imminent_oral incest male male/male male_only monochrome monster mouth_forced_open orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys animated_skeleton assisted_fellatio assisted_sex blue_penis blue_tongue bondage bottom_sans bound brothers digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay genitals goopynoms imminent_fellatio imminent_oral incest male male/male male_only monochrome monster mouth_forced_open orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys ahegao animated_skeleton assisted_fellatio assisted_sex blue_tongue bondage bottom_sans bound brother_penetrating_brother brothers cum cum_in_mouth cum_on_face cum_on_tongue digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay genitals goopynoms incest male male/male male/male/male male_only male_penetrating monochrome monster mouth_forced_open orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys ahegao animated_skeleton assisted_fellatio assisted_sex blue_tongue bondage bottom_sans bound brother_penetrating_brother brothers cum cum_in_mouth cum_on_face cum_on_tongue digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay genitals goopynoms incest male male/male male/male/male male_only male_penetrating monochrome monster mouth_forced_open orange_cum orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys animated_skeleton assisted_fellatio assisted_sex blue_penis blue_tongue bondage bottom_sans bound brothers digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay goopynoms imminent_fellatio incest male male/male male/male/male male_only monochrome monster mouth_forced_open orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2010s 2015 2d 2d_(artwork) 3boys animated_skeleton assisted_fellatio assisted_sex blue_penis blue_tongue bondage bottom_sans bound brothers digital_media_(artwork) ectopenis flowans flowey_the_flower flowsans fontcest gay goopynoms imminent_fellatio incest male male/male male/male/male male_only monochrome monster mouth_forced_open orange_penis papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sex skeleton tongue_out top_papyrus trio uke_sans undead undertale undertale_(series) unseen_male_face video_game_character video_games yaoi
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blue_penis blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo ectopenis flowans flower flowey_the_flower flowsans fluids genitals goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_around_penis tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blue_penis blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo ectopenis flowans flower flowey_the_flower flowsans fluids genitals goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_around_penis tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo flowans flower flowey_the_flower flowsans fluids goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi yellow_flower
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo flowans flower flowey_the_flower flowsans fluids goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi yellow_flower
2boys 2d 2d_(artwork) animated_skeleton artist_request blue_blush blue_hoodie blue_jacket blue_penis blue_tongue blush bottom_sans bound clothed clothing cum cumshot digital_media_(artwork) drooling duo ectopenis ejaculation flowans flower flowey_the_flower flowsans genitals grey_background hooded_jacket hoodie jacket male male/male male_only monster monster_boy orgasm penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive tentacle tentacle_on_male tentaclejob tongue top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines wink yaoi yellow_flower
2boys 2d 2d_(artwork) animated_skeleton artist_request blue_blush blue_hoodie blue_jacket blue_penis blue_tongue blush bottom_sans bound clothed clothing cum cumshot digital_media_(artwork) drooling duo ectopenis ejaculation flowans flower flowey_the_flower flowsans genitals grey_background hooded_jacket hoodie jacket male male/male male_only monster monster_boy orgasm penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive tentacle tentacle_on_male tentaclejob tongue top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines wink yaoi yellow_flower
2010s 2015 2boys 2d 2d_(artwork) animated_skeleton artist_signature black_background blue_blush blue_eye blue_jacket blue_penis blush bodily_fluids bottom_sans bound clothed clothing dark_background digital_media_(artwork) drooling duo ectopenis elatedsceptre flowans flower flowey_the_flower flowsans genital_fluids genitals glowing glowing_penis hooded_jacket interspecies jacket long_tongue looking_down male male/male male_only monster monster_boy penis plant plant_tentacle red_eyes sans sans_(undertale) seme_flowey sex simple_background skeleton submissive tentacle tentacle_on_male thorns tongue_out top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi yellow_flower
2010s 2015 2boys 2d 2d_(artwork) animated_skeleton artist_signature black_background blue_blush blue_eye blue_jacket blue_penis blush bodily_fluids bottom_sans bound clothed clothing dark_background digital_media_(artwork) drooling duo ectopenis elatedsceptre flowans flower flowey_the_flower flowsans genital_fluids genitals glowing glowing_penis hooded_jacket interspecies jacket long_tongue looking_down male male/male male_only monster monster_boy penis plant plant_tentacle red_eyes sans sans_(undertale) seme_flowey sex simple_background skeleton submissive tentacle tentacle_on_male thorns tongue_out top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines yaoi yellow_flower
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blue_penis blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo duplicate ectopenis flowans flower flowey_the_flower flowsans fluids goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
1:1 1:1_aspect_ratio 2015 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton blue_blush blue_penis blush bodily_fluids bottom_sans bound bound_arms clothed clothing digital_media_(artwork) drooling duo duplicate ectopenis flowans flower flowey_the_flower flowsans fluids goopynoms grey_background interspecies jacket male male/male male_only malesub monochrome monster monster_boy off_shoulder pants_down pants_pulled_down penis plant plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_on_male tentacles_on_male top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
2boys 2d 2d_(artwork) against_wall animated_skeleton blue_blush blue_penis blush bottom_sans clothed clothing digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans grey_background imminent_sex interspecies male male/male male_only monster monster_boy penis plant plant_penis plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive sweat tentacle tentacle_around_penis tentacle_on_male tentaclejob top_flowey uke_sans undead undertale undertale_(series) unknown_artist video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
2boys 2d 2d_(artwork) against_wall animated_skeleton blue_blush blue_penis blush bottom_sans clothed clothing digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans grey_background imminent_sex interspecies male male/male male_only monster monster_boy penis plant plant_penis plant_tentacle sans sans_(undertale) seme_flowey sex simple_background skeleton submissive sweat tentacle tentacle_around_penis tentacle_on_male tentaclejob top_flowey uke_sans undead undertale undertale_(series) unknown_artist video_game_character video_games vine_tentacles vinejob vines yaoi yellow_flower
2boys 2d 2d_(artwork) animated_skeleton artist_name blue_blush blue_penis blush bottom_sans choquiton completely_naked completely_nude completely_nude_male digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans genitals glowing glowing_genitalia glowing_penis looking_at_genitalia looking_at_penis male male/male male_only malesub monochrome monster monster_boy nude nude_male partially_colored penis plant plant_tentacle rape sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_around_penis tentacle_on_male tentaclejob tentacles top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi
2boys 2d 2d_(artwork) animated_skeleton artist_name blue_blush blue_penis blush bottom_sans choquiton completely_naked completely_nude completely_nude_male digital_media_(artwork) duo ectopenis flowans flower flowey_the_flower flowsans genitals glowing glowing_genitalia glowing_penis looking_at_genitalia looking_at_penis male male/male male_only malesub monochrome monster monster_boy nude nude_male partially_colored penis plant plant_tentacle rape sans sans_(undertale) seme_flowey sex simple_background skeleton submissive submissive_male tentacle tentacle_around_penis tentacle_on_male tentaclejob tentacles top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vinejob vines yaoi
2020s 2022 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton basho_lizard blue_tongue bodily_fluids bottom_sans clothed crying digital_media_(artwork) duo ectotongue flowans flower flowey_the_flower flowsans fluids interspecies male male/male male_only monster monster_boy pixiv_id_7835302 plant plant_tentacle sans sans_(undertale) seme_flowey sequence sequential skeleton soul_sex submissive sweat tears tentacle tentacle_on_male tentacles_under_clothes tongue tongue_out top_flowey trembling twitching uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi yellow_flower
2020s 2022 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton basho_lizard blue_tongue bodily_fluids bottom_sans clothed crying digital_media_(artwork) duo ectotongue flowans flower flowey_the_flower flowsans fluids interspecies male male/male male_only monster monster_boy pixiv_id_7835302 plant plant_tentacle sans sans_(undertale) seme_flowey sequence sequential skeleton soul_sex submissive sweat tears tentacle tentacle_on_male tentacles_under_clothes tongue tongue_out top_flowey trembling twitching uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi yellow_flower
2020s 2022 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton basho_lizard bottom_sans clothed digital_media_(artwork) duo flowans flower flowey_the_flower flowsans interspecies male male/male male_only monster monster_boy pixiv_id_7835302 plant plant_tentacle sans sans_(undertale) seme_flowey sequence sequential skeleton soul_sex submissive sweat tentacle tentacle_on_male tentacles_under_clothes top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi yellow_flower
2020s 2022 2boys 2d 2d_(artwork) alternate_version_available animated_skeleton basho_lizard bottom_sans clothed digital_media_(artwork) duo flowans flower flowey_the_flower flowsans interspecies male male/male male_only monster monster_boy pixiv_id_7835302 plant plant_tentacle sans sans_(undertale) seme_flowey sequence sequential skeleton soul_sex submissive sweat tentacle tentacle_on_male tentacles_under_clothes top_flowey uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi yellow_flower
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_(pixiv_id_30462562) male monster monster_boy one_eye_closed penetration pinned_down plant plant_tentacle plant_tentacles rape sans sans_(undertale) seme_flowey sex skeleton solo_focus submissive 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 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_(pixiv_id_30462562) male monster monster_boy one_eye_closed penetration pinned_down plant plant_tentacle plant_tentacles rape sans sans_(undertale) seme_flowey sex skeleton solo_focus submissive 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_(pixiv_id_30462562) monster monster_boy one_eye_closed penetration plant plant_penis plant_tentacle plant_tentacles potion rape sans sans_(undertale) seme_flowey sex simple_background skeleton solid_color_background submissive 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
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_(pixiv_id_30462562) monster monster_boy one_eye_closed penetration plant plant_penis plant_tentacle plant_tentacles potion rape sans sans_(undertale) seme_flowey sex simple_background skeleton solid_color_background submissive 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
1:1 1:1_aspect_ratio 2010s 2boys 2d 2d_(artwork) animated_skeleton blue_blush blush bone bottom_sans bottomless digital_media_(artwork) duo eli-sin-g english_text flowans flower flowey_the_flower flowsans humanoid kolesjoie legs_apart legs_spread looking_at_another looking_at_each_other male male/male male_only monster monster_boy mouth_forced_open plant plant_tentacle plant_tentacles sans sans_(undertale) seme_flowey simple_background skeleton spread_legs tentacle tentacle_around_leg tentacle_in_mouth tentacle_under_clothes tentacles_around_arms tentacles_around_wrists tentacles_in_mouth tentacles_under_clothes text top_flowey tumblr uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi
1:1 1:1_aspect_ratio 2010s 2boys 2d 2d_(artwork) animated_skeleton blue_blush blush bone bottom_sans bottomless digital_media_(artwork) duo eli-sin-g english_text flowans flower flowey_the_flower flowsans humanoid kolesjoie legs_apart legs_spread looking_at_another looking_at_each_other male male/male male_only monster monster_boy mouth_forced_open plant plant_tentacle plant_tentacles sans sans_(undertale) seme_flowey simple_background skeleton spread_legs tentacle tentacle_around_leg tentacle_in_mouth tentacle_under_clothes tentacles_around_arms tentacles_around_wrists tentacles_in_mouth tentacles_under_clothes text top_flowey tumblr uke_sans undead undertale undertale_(series) video_game_character video_games vine_tentacles vines white_background yaoi