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... 3_toes alternate_color ambiguous_gender animal_genitalia animal_penis bargglesnatch-x1 black_fur blue_blush blue_dick blue_eyes blue_fur blue_paws blue_penis blue_pupils blue_testicles blue_tongue bodily_fluids canine canine_penis chest_tuft cum cum_on_face cumshot ears_up ejaculation english_text feline female feral feral_on_feral fur genital_fluids interspecies leg_markings luxio lying male mammal markings meta_request nintendo on_front open_mouth orgasm original_character penis pokémon_(species) pokemon pokemon_(species) pokemon_dppt pokemon_gsc purple_eyes raised_tail sans_blush sans_eye sans_glowing_eye sans_penis shiny_pokemon socks_(marking) sweat tail teeth text thin_tail toes tongue tongue_out tuft video_games white_fur yellow_fur zorua
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2015 4_toes all_fours anal anal_masturbation anal_sex animal_genitalia animal_penis anus ass backsack balls bioluminescence black_ears black_fur black_paws blue_blush blue_dick blue_eyes blue_fur blue_pawpads blue_penis blue_pupils blue_testicles blue_tongue canine canine_penis cum cum_on_ground cum_while_penetrated dipstick_tail drooling erection feral fox fucking_machine fur fur_markings gloves_(marking) glowing green_fur green_nose grey_background hindpaw knot looking_at_viewer looking_back looking_pleasured machine male male_only mammal markings masturbation meta_request multicolored_fur multicolored_tail naoki_wolf one_leg_raised open_mouth pawpads paws penetration penis quadruped raised_tail rear_view reflection saliva sans_blush sans_eye sans_glowing_eye sans_penis sex_machine signature simple_background sirfox_(character) socks_(marking) solo sound_effects standing tears teeth text toes tongue tongue_out white_fur
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2017 4_toes absurd_res anal anal_sex animal_genitalia animal_penis balls blue_blush blue_dick blue_eyes blue_pawpads blue_penis blue_pupils blue_testicles blue_tongue blush book canine_penis claws colarix collar consensual_tentacles detailed_background digital_media_(artwork) digitigrade dragon feral fur furred_dragon grey_balls grey_fur happy hi_res inside joona_(colarix) knot looking_at_viewer meta_request nude open_mouth pawpads penetration penis sans_blush sans_eye sans_glowing_eye sans_penis solo tentacle tentacle_on_male tentacle_sex toe_claws toes url watermark
1boy 2017 2d alternate_universe animated_skeleton artist_request black_sweater blue_blush blue_dick blue_eyes blue_hoodie blue_penis blue_pupils blue_testicles blue_tongue blush drooling ectopenis ectotongue fangs hoodie humanoid meta_request outertale outertale_sans sans sans_au sans_blush sans_eye sans_glowing_eye sans_penis skeleton slippers sweater sweating sweatpants tongue tongue_out undertale_(series) undertale_au undertale_fanfiction white_background white_socks yellow_hoodie
1boy 2017 2d alternate_universe animated_skeleton artist_request black_sweater blue_blush blue_dick blue_eyes blue_hoodie blue_penis blue_pupils blue_testicles blue_tongue blush drooling ectopenis ectotongue fangs hoodie humanoid meta_request outertale outertale_sans sans sans_au sans_blush sans_eye sans_glowing_eye sans_penis skeleton slippers sweater sweating sweatpants tongue tongue_out undertale_(series) undertale_au undertale_fanfiction white_background white_socks yellow_hoodie
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1boy animated_skeleton artist_name blue_blush blue_dick blue_eyes blue_penis blue_pupils blue_testicles blue_tongue blush bodegablanca clothed ectopenis male male_only meta_request monster penis sans sans_blush sans_eye sans_glowing_eye sans_penis skeleton solo solo_male tentacle tentacle_around_penis tentacle_on_male tentacle_under_clothes tentacle_under_clothing tentacles tentacles_around_arms tentacles_on_male undead undertale watermark
1boy animated_skeleton artist_name blue_blush blue_dick blue_eyes blue_penis blue_pupils blue_testicles blue_tongue blush bodegablanca clothed ectopenis male male_only meta_request monster penis sans sans_blush sans_eye sans_glowing_eye sans_penis skeleton solo solo_male tentacle tentacle_around_penis tentacle_on_male tentacle_under_clothes tentacle_under_clothing tentacles tentacles_around_arms tentacles_on_male undead undertale watermark
2015 animated_skeleton anthro asgore_dreemurr beard belly blonde_hair blue_background blue_eyes blue_sans_penis blue_sans_tongue blush body_hair bone boss_monster bottomless caprine clothed clothing cum cum_on_ground cumshot duo ejaculation facial_hair fangs fur goat hair hi_res horn jacket long_ears male male_only mammal manlyster meta_request open_mouth orgasm overweight penis sans sans_blush sans_eye sans_glowing_eye sans_penis sans_tongue simple_background skeleton tongue tongue_out undead undertale video_games watch
2015 animated_skeleton anthro asgore_dreemurr beard belly blonde_hair blue_background blue_eyes blue_sans_penis blue_sans_tongue blush body_hair bone boss_monster bottomless caprine clothed clothing cum cum_on_ground cumshot duo ejaculation facial_hair fangs fur goat hair hi_res horn jacket long_ears male male_only mammal manlyster meta_request open_mouth orgasm overweight penis sans sans_blush sans_eye sans_glowing_eye sans_penis sans_tongue simple_background skeleton tongue tongue_out undead undertale video_games watch
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2015 ahe_gao all_fours animated_skeleton anthro anthro_penetrating arm_hair asgore_dreemurr balls barazoku belly biceps big_dom_small_sub bigger_male blonde_hair blue_eyes blue_penis blue_tongue body_hair bone boss_monster bottomless buttdawg caprine chest_hair closed_eyes clothed clothing cum cum_while_penetrated cumshot duo ectopenis from_behind from_behind_position fur gay gay_anal goat hairy happy_trail interspecies larger_male male male/male male_anthro male_only mammal meta_request monster multicolored_fur musclegut naked nipples nude one_eye_closed orgasm pecs penetration penis pubes sans sans_blue_tongue sans_blush sans_eye sans_glowing_eye sans_penis sans_tongue sex shirt simple_background size_difference skeleton slightly_chubby smaller_male smile standing stomach_hair sweat teeth thick_thighs tongue tongue_out two_tone_fur undead undertale video_games white_background white_fur yaoi yellow_fur
2015 ahe_gao all_fours animated_skeleton anthro anthro_penetrating arm_hair asgore_dreemurr balls barazoku belly biceps big_dom_small_sub bigger_male blonde_hair blue_eyes blue_penis blue_tongue body_hair bone boss_monster bottomless buttdawg caprine chest_hair closed_eyes clothed clothing cum cum_while_penetrated cumshot duo ectopenis from_behind from_behind_position fur gay gay_anal goat hairy happy_trail interspecies larger_male male male/male male_anthro male_only mammal meta_request monster multicolored_fur musclegut naked nipples nude one_eye_closed orgasm pecs penetration penis pubes sans sans_blue_tongue sans_blush sans_eye sans_glowing_eye sans_penis sans_tongue sex shirt simple_background size_difference skeleton slightly_chubby smaller_male smile standing stomach_hair sweat teeth thick_thighs tongue tongue_out two_tone_fur undead undertale video_games white_background white_fur yaoi yellow_fur
ambiguous_gender ambiguous_penetration blush bone frisk group group_sex meta_request oral papyrus papyrus_blush papyrus_penis penis sans sans_blush sans_eye sans_penis sex skeleton smile spitroast sweat tinybeasts undertale undertale_(series)
ambiguous_gender ambiguous_penetration blush bone frisk group group_sex meta_request oral papyrus papyrus_blush papyrus_penis penis sans sans_blush sans_eye sans_penis sex skeleton smile spitroast sweat tinybeasts undertale undertale_(series)
blue_blush blush blushing bone dakimakura ectopenis male male_only meta_request one_eye_closed penis sans sans_blush sans_eye sans_penis skeleton smile solo solo_male sweat tinybeasts undertale undertale_(series)
blue_blush blush blushing bone dakimakura ectopenis male male_only meta_request one_eye_closed penis sans sans_blush sans_eye sans_penis skeleton smile solo solo_male sweat tinybeasts undertale undertale_(series)
2010s 2015 animated anthro ass big_butt blue_penis canid canine clothing collar cum cum_in_ass cum_inside derp dialogue disembodied_penis dog_treat doggo_(undertale) ectopenis english_text frown fur furry gay gif looking_at_viewer looking_back male male/male male_only melee_weapon meta_request open_mouth penis pkaocko sans sans_penis solo_focus speech_bubble spiked_collar sword text undertale undertale_(series) weapon white_fur yaoi
2010s 2015 animated anthro ass big_butt blue_penis canid canine clothing collar cum cum_in_ass cum_inside derp dialogue disembodied_penis dog_treat doggo_(undertale) ectopenis english_text frown fur furry gay gif looking_at_viewer looking_back male male/male male_only melee_weapon meta_request open_mouth penis pkaocko sans sans_penis solo_focus speech_bubble spiked_collar sword text undertale undertale_(series) weapon white_fur yaoi