Series: Under(her)tail by TheWill

Under(her)tail is an Undertale parody rated 18+, the reader must also be 18+ to read this content, this series contains a lot of nudity which is why it is rated 18+

Blacklisted
2015 alphys alternate_universe angel_derear animated_skeleton anthro arachnid armless arthropod asgore_dreemurr asriel_dreemurr assmore_derear big_breasts big_penis bikini blooksanap bone boots boss_monster_(undertale) bovid breasts caprine chara_(undertale) clothing condom container crossgender cup dildo electronics erection female flower flowey_the_flower footwear frisk_(undertale) frisky_(under(her)tail) fur gaster genitals ghost goat group hair hair_over_eye happy high_heeled_boots high_heels horn huge_breasts huge_penis human humanoid_genitalia humanoid_penis kitty_(under(her)tail) looking_at_viewer mad_dummy male mammal mature_anthro mature_female mettaton mettaton_ex microphone mtf_crossgender muffet napstablook nipples one_eye_closed one_eye_obstructed open_mouth papyrus_(undertale) parody peddles penis plant pussy reptile sans_(undertale) scalie sex_toy sexual_barrier_device shirt shoes simple_background skeleton smile spider spirit swimwear tea_cup tem temmie_(undertale) thewill thick_thighs topwear toriel tutori two-piece_swimsuit undead under(her)tail under_boob undertale undertale_(series) undyne vagina_dentata white_background white_body white_fur wink
↑578♥1596C78E
alternate_universe anthro anthro_penetrated blush boss_monster_(undertale) bovid breasts caprine clothing english_text female fur group happy hi_res human human_on_anthro human_penetrating human_penetrating_anthro interspecies male male/female mammal melee_weapon open_mouth parody penetration polearm redraw sex smile spear stand_and_carry_position standing standing_sex sword text thewill tongue tongue_out under(her)tail undertale undertale_(series) weapon
↑318♥560C36E
alternate_universe clothing comic english_text flower frisk_(undertale) frisky_(under(her)tail) group hair hi_res human human_only mammal not_furry plant short_hair text thewill under(her)tail undertale undertale_(series) yelling
↑218♥361C18S
?! alternate_universe blush bulge clothed clothing crossgender duo elemental_creature english_text erection erection_under_clothing female flora_fauna flower flowey_the_flower frisky_(under(her)tail) genitals hi_res human male mammal not_furry one_eye_closed open_mouth parody peddles penis plant profanity shirt tentacles tenting text thewill topwear under(her)tail undertale undertale_(series) underwear undressing wave wide_eyed wink
↑213♥337C23E
alternate_universe balls big_balls big_penis blush clothing crossgender duo elemental_creature english_text erection female female_rape flora_fauna flower flowey_the_flower forced foreskin frisk_(undertale) frisky_(under(her)tail) genitals hi_res human humanoid_genitalia humanoid_penis male male/female mammal not_furry open_mouth oral parody peddles penis plant profanity pubes rape scared sex teeth tentacle_rape tentacle_sex tentacles text thewill tongue tongue_out translated under(her)tail undertale undertale_(series) vines wide_eyed yelling
↑293♥457C50E
alternate_universe anthro apron balls blush boss_monster_(undertale) bovid breasts caprine cleavage clothed clothing crossgender dialogue elemental_creature english_text erection female flora_fauna flower flower_creature flowey_the_flower forced foreskin frisk_(undertale) frisky_(under(her)tail) genitals greeting group hi_res human humanoid_genitalia humanoid_penis larger_female male mammal mature_anthro mature_female mother_(lore) mtf_crossgender parent_(lore) parody peddles penis plant size_difference smaller_male tentacles text thewill toriel tutori under(her)tail undertale undertale_(series)
↑255♥393C26E
alternate_universe anthro big_breasts boss_monster_(undertale) bovid breasts butt caprine cleavage clothed clothing dialogue duo ellipsis english_text female frisk_(undertale) frisky_(under(her)tail) genitals hi_res huge_breasts human larger_anthro larger_female male mammal mature_anthro mature_female mother_(lore) parent_(lore) parody profanity pussy sex_doll size_difference smaller_human smaller_male text thewill toriel tutori under(her)tail undertale undertale_(series)
↑477♥627C40E
alternate_universe anthro anthrofied big_breasts blooksanap blush boss_monster_(undertale) bovid breast_grab breasts bulge caprine comic crossgender dialogue duo english_text exclamation_point female frisk_(undertale) frisky_(under(her)tail) ghost hand_on_breast hi_res huge_breasts human larger_female lying male mammal mature_anthro mature_female monochrome mother_(lore) napstablook nipples on_back parent_(lore) sitting size_difference sleeping smaller_male sound_effects spirit text thewill toriel tutori under(her)tail undertale undertale_(series) vowelless vowelless_sound_effect zzz
↑314♥470C20E
2015 alternate_universe balls big_breasts blooksanap blush breasts bulge butt clothed clothing comic crossgender dialogue duo english_text erection female foreskin frisk_(undertale) frisky_(under(her)tail) genitals ghost hair hi_res human humanoid_genitalia humanoid_penis lol_comments male mammal napstablook nipples not_furry nude open_mouth parody penis simple_background smile spirit teeth text thewill under(her)tail undertale undertale_(series)
↑287♥404C29E
alternate_universe balls big_penis blooksanap blue_balls breasts comic crossgender duo english_text erection female foreskin frisk_(undertale) frisky_(under(her)tail) genitals ghost half-erect human humanoid_genitalia humanoid_penis humor male mammal napstablook not_furry parody partially_retracted_foreskin penis retracted_foreskin spirit text thewill under(her)tail undertale undertale_(series)
↑305♥471C33E
alternate_universe anthro big_breasts big_penis bodily_fluids boss_monster_(undertale) bovid breast_play breasts bulge butt caprine detailed_bulge duo english_text erection female female_on_human foreskin frisk_(undertale) frisky_(under(her)tail) genital_fluids genital_outline genitals hi_res huge_breasts huge_penis human human_on_anthro interspecies larger_anthro larger_female male male/female male_on_anthro mammal mature_anthro mature_female mother_(lore) nipples parent_(lore) penis penis_outline precum profanity sex simple_background size_difference smaller_human smaller_male text thewill titfuck toriel tutori under(her)tail undertale undertale_(series) video_games_awesome
↑497♥965C35E
alternate_universe anthro anthro_penetrated big_breasts big_penis blush bodily_fluids boss_monster_(undertale) bovid breast_play breasts caprine cum cum_in_mouth cum_inside cum_on_breasts cum_on_face cum_string cumshot digital_media_(artwork) duo ejaculation english_text erect_nipples erection eyes_closed fellatio female female_on_human female_penetrated foreskin frisk_(undertale) genital_fluids genitals grabbing half-closed_eyes huge_breasts huge_penis human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies larger_anthro larger_female larger_penetrated licking looking_pleasured male male/female male_on_anthro male_penetrating male_penetrating_female mammal mature_anthro mature_female mother_(lore) narrowed_eyes nipples onomatopoeia oral oral_penetration orgasm parent_(lore) penetration penile penile_penetration penis penis_grab penis_in_mouth pubes retracted_foreskin sex size_difference smaller_human smaller_male sound_effects text thewill titfuck tongue tongue_out toriel tutori unavailable_at_source under(her)tail undertale undertale_(series)
↑595♥1407C29E
alternate_universe anthro big_breasts bodily_fluids boss_monster_(undertale) bovid breasts caprine comic cum cum_drip cum_in_mouth cum_inside cum_on_breasts cum_on_face dripping english_text exclamation_point female frisk_(undertale) frisky_(under(her)tail) gaster genital_fluids genitals group half-erect heart_symbol huge_breasts human larger_female leaking_cum male mammal mature_anthro mature_female monochrome mother_(lore) nipples parent_(lore) penis size_difference sleeping smaller_male sound_effects text thewill toriel tutori under(her)tail undertale undertale_(series) vowelless vowelless_sound_effect zzz
↑288♥493C29E
absurd_res alternate_universe angel_derear animated_skeleton anthro asriel_dreemurr bodily_fluids bone boss_monster_(undertale) bovid breasts caprine chara_(undertale) crossgender cum cum_in_eye cum_in_mouth cum_inside cum_on_face cum_string dripping erection female fish forced frisk_(undertale) from_front_position genital_fluids genitals glitch goat group hair hi_res human leaking_cum lying male male/female mammal marine mettaton missionary_position nightmare_fuel nipples on_back penis rape rape_face sans_(undertale) sex skeleton skull smile snuff spirit thewill undead under(her)tail undertale undertale_(series) undyne
↑231♥336C72EC
alternate_universe anthro big_breasts book boss_monster_(undertale) bovid breasts bulge caprine clothed clothing comic dessert duo english_text female food frisk_(undertale) genitals half-erect hi_res huge_breasts human humanoid_genitalia humanoid_penis larger_female male mammal mature_anthro mature_female monochrome mother_(lore) parent_(lore) parody pastry penis pie size_difference smaller_male text thewill toriel translated tutori under(her)tail undertale undertale_(series)
↑228♥302C30EC
2016 alternate_universe angry anthro big_breasts boss_monster_(undertale) bovid breasts butt caprine clothed clothing comic dialogue duo english_text eyewear female frisk_(undertale) fur glasses hair hi_res horn huge_breasts human larger_female long_ears male mammal mature_anthro mature_female mother_(lore) open_mouth parent_(lore) profanity simple_background size_difference slap smaller_male smile text thewill toriel tutori under(her)tail undertale undertale_(series)
↑259♥338C41Q
2016 alternate_universe anthro anthro_penetrated backsack balls balls_deep big_breasts big_penis biped bodily_fluids boss_monster_(undertale) bovid breasts butt caprine clitoris comic cunnilingus dominant dominant_female dripping duo ejaculation english_text erect_nipples erection eyes_closed facesitting female female_on_human female_on_top female_penetrated forced forced_oral foreskin frisk_(undertale) genital_fluids genitals half-closed_eyes hand_on_head head_grab heart_eyes heart_symbol huge_breasts huge_penis human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies larger_female larger_penetrated leaking male male/female male_on_anthro male_on_bottom male_penetrating male_penetrating_female mammal mature_anthro mature_female mother_(lore) narrowed_eyes nipples nude on_bottom on_top open_mouth oral orgasm parent_(lore) penetration penis profanity pussy pussy_ejaculation pussy_juice_drip pussy_juice_leaking pussy_juice_on_face pussy_juice_splatter pussy_juice_string sex sitting_on_another size_difference small_dom_big_sub smaller_male spread_legs spreading submissive submissive_male text thewill toriel tutori under(her)tail undertale undertale_(series) vaginal vaginal_fluids vaginal_penetration vein veiny_penis
↑430♥944C33E
:3 alternate_universe annoying_dog_(undertale) anthro anthro_penetrated backsack balls being_watched big_breasts biped blush bodily_fluids boss_monster_(undertale) bovid breasts butt caprine clitoris comic cum cum_in_pussy cum_inside cum_splatter cum_string cumshot duo_focus ejaculation english_text erect_nipples exclamation_point eyes_closed female female_on_human female_penetrated frisk_(undertale) from_front_position fucked_silly genital_fluids genitals group hi_res high-angle_view huge_breasts human human_on_anthro human_penetrating human_penetrating_anthro interspecies lactating larger_anthro larger_female looking_at_another lying male male/female male_on_anthro male_penetrating mammal mature_anthro mature_female milk missionary_position moan mother_(lore) motion_blur motion_lines multiple_angles nipples nude on_back onomatopoeia open_mouth orgasm parent_(lore) penetration penis profanity pussy rear_view sex size_difference small_dom_big_sub smaller_human smaller_male sound_effects text thewill tongue tongue_out toriel tutori under(her)tail undertale undertale_(series) vaginal vaginal_penetration
↑503♥1169C39E
after_sex alternate_universe anthro balls big_breasts big_penis bodily_fluids boss_monster_(undertale) bottomless bottomwear bovid breasts bulge caprine clitoris clothed clothing comic cum cum_drip cum_in_pussy cum_inside cum_on_belly cum_on_body cum_on_breasts cum_on_ground cum_string cumshot dripping duo ejaculation ellipsis english_text erect_nipples erection female foreskin frisk_(undertale) fully_clothed genital_fluids genitals half-closed_eyes heart_symbol huge_breasts huge_penis human human_on_anthro humanoid_genitalia humanoid_penis interspecies larger_female leaking_cum male male/female mammal mature_anthro mature_female mother_(lore) narrowed_eyes nipples nude open_bottomwear open_clothing open_pants orgasm pants parent_(lore) penis profanity pussy question_mark sex size_difference smaller_male text thewill toriel tutori under(her)tail undertale undertale_(series) vein veiny_penis
↑332♥617C32E
alternate_universe comic crossgender elemental_creature english_text female flora_fauna flower flowey_the_flower frisk_(undertale) hi_res human male mammal not_furry peddles plant profanity question_mark text thewill under(her)tail undertale undertale_(series)
↑217♥242C31Q
alternate_universe arthropod astigmatism breasts clothed clothing female final_froggit flying frogette_(under(her)tail) froggit genitals goo_creature loox migosp migospel moldessa moldsmal monster nipples nude parsnik pussy simple_background sitting standing thewill under(her)tail undertale undertale_(series) vegetoid whimsalot whimsun white_background wings
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2016 alternate_universe animated_skeleton bone bottomwear breasts clothing comic crossgender english_text female heart_eyes heart_symbol hoodie not_furry sans_(undertale) skeleton skirt smile text thewill topwear undead under(her)tail undertale undertale_(series)
↑160♥222C50S
alternate_universe animated_skeleton bone bulge clothed clothing comic_(under(her)tail) crossgender digital_drawing_(artwork) digital_media_(artwork) duo english_text female frisk_(undertale) genitals hi_res hoodie human humor male mammal not_furry parody penis prank sans_(undertale) silhouette skeleton text thewill topwear undead under(her)tail undertale undertale_(series)
↑254♥253C39E
alternate_universe animated_skeleton bone bottomwear bulge clothing comic comic_(under(her)tail) crossgender english_text expressions female frisk_(undertale) hoodie human lamp male mammal not_furry parody profanity sans_(undertale) skeleton skirt smile text thewill topwear undead under(her)tail undertale undertale_(series)
↑199♥198C30Q
alternate_universe animated_skeleton bone bulge clothing comic_(under(her)tail) crossgender english_text female footwear frisk_(undertale) hi_res high_heels hoodie human humor male mammal not_furry papyrus_(undertale) parody profanity sans_(undertale) shoes skeleton snow tempus_(under(her)tail) tenting text thewill topwear undead under(her)tail undertale undertale_(series)
↑192♥210C52Q
alternate_universe animated_skeleton bone clothing comic_(under(her)tail) crossgender english_text female footwear frisk_(undertale) high_heels hoodie human humor lamp male mammal not_furry papyrus_(undertale) parody pun sans_(undertale) shoes skeleton snow tempus_(under(her)tail) text thewill topwear undead under(her)tail undertale undertale_(series)
↑168♥172C37Q
alternate_universe animated_skeleton blush bone bulge clothing comic comic_(under(her)tail) crossgender english_text exclamation_point female frisk_(undertale) hoodie human humor male mammal not_furry papyrus_(undertale) parody pun sans_(undertale) skeleton snow tempus_(under(her)tail) text thewill topwear undead under(her)tail undertale undertale_(series)
↑153♥160C19Q
alternate_universe animated_skeleton black_sclera bone clothing comic comic_(under(her)tail) crossgender english_text exclamation_point female frisk_(undertale) hoodie human male mammal no_pupils not_furry papyrus_(undertale) parody plant pupils sans_(undertale) skeleton spinning tempus_(under(her)tail) text thewill topwear tree undead under(her)tail undertale undertale_(series) white_pupils
↑241♥233C19Q
alternate_universe animated_skeleton black_sclera blood bodily_fluids bone clothing comic comic_(under(her)tail) crossgender english_text female frisk_(undertale) gesture hand_gesture hoodie human male mammal no_pupils not_furry papyrus_(undertale) parody pointing profanity pupils sans_(undertale) screaming skeleton sparkles tempus_(under(her)tail) text thewill topwear undead under(her)tail undertale undertale_(series) white_pupils
↑165♥165C21Q
alternate_universe animated_skeleton bar_phone black_sclera bone cellphone clothing comic_(under(her)tail) crossgender digital_drawing_(artwork) digital_media_(artwork) electronics english_text female frisk_(undertale) greeting group hoodie human male mammal no_pupils not_furry one_eye_closed papyrus_(undertale) parody phone plant profanity pupils ringing sans_(undertale) skeleton tempus_(under(her)tail) text thewill topwear tree undead under(her)tail undertale undertale_(series) white_pupils wink
↑159♥151C18Q
alternate_universe anthro areola big_eyes blush breast_fondling breast_play breasts bulge canid canine canis clothed clothing crossgender crouching dildo doggo_(undertale) domestic_dog duo english_text erection erection_under_clothing exclamation_point female fondling frisk_(undertale) genitals grope hand_on_breast happy hi_res human human_on_anthro interspecies male male/female mammal nipple_outline nipples one_breast_out penis plant profanity questionable_consent rubbing sex sex_toy shirt sign smile tank_top text thewill tongue tongue_out topwear tree under(her)tail undertale undertale_(series) vaginal wide_eyed
↑582♥995C47E
alternate_universe anthro armor big_penis breasts bulge canid canine canis cleavage clothed clothing crossover dialogue digital_media_(artwork) domestic_dog duo english_text erection eyes_closed fellatio female female_penetrated foreskin frisk_(undertale) genitals human human_on_anthro humanoid_genitalia humanoid_penis interspecies lesser_dog male male/female male_penetrating male_penetrating_female mammal neck_bulge oral oral_penetration penetration penile penis sex shield sliding snow tail tail_motion tailwag text thewill tripping under(her)tail undertale undertale_(series) vein veiny_penis
↑405♥618C23E
alternate_universe anthro bottomwear bulge clothing comic_(under(her)tail) crossover dessert dialogue digital_media_(artwork) english_text female food frisk_(undertale) greeting heart_symbol hoodie human ice_cream male mammal nicecream_man one_eye_closed plant sans_(undertale) skirt smile snow text thewill topwear tree umbrella under(her)tail undertale undertale_(series) vendor wink
↑198♥192C16Q
aaron_(undertale) alternate_universe animated_skeleton bent_over bone bottomwear clothing comic_(under(her)tail) crouching dialogue digital_media_(artwork) english_text female frisk_(undertale) hoodie human magazine male mammal not_furry papyrus_(undertale) sans_(undertale) skeleton skirt snow tempus_(under(her)tail) text thewill topwear undead under(her)tail undertale undertale_(series)
↑173♥164C22Q
after_cum_kiss all_fours alternate_universe anthro big_penis bisexual bodily_fluids breast_play breasts butt canid canine canis cloak clothing collaborative collaborative_fellatio collaborative_sex collaborative_titfuck crossgender cum cum_kiss cumshot dialogue digital_media_(artwork) dogamy dogaressa domestic_dog ejaculation english_text erection fellatio female female/female foreskin frisk_(undertale) genital_fluids genitals good_girl group heart_symbol hoodie huge_penis human humanoid_genitalia humanoid_penis licking male male/female mammal oral orgasm paddle penile penis penis_lick plant profanity sex snowballing tenting text thewill titfuck tongue tongue_out topwear tree under(her)tail undertale undertale_(series) vein veiny_penis
↑533♥1106C49E
alternate_universe animated_skeleton bodily_fluids bone clothing comic_(under(her)tail) crossgender dialogue digital_media_(artwork) english_text female frisk_(undertale) grope group hoodie human machine male mammal not_furry papyrus_(undertale) sans_(undertale) skeleton sneaking sweat tempus_(under(her)tail) tentacles text thewill topwear undead under(her)tail undertale undertale_(series)
↑172♥171C28Q
alternate_universe anthro armor bodily_fluids bulge canid canine canis crossgender death_by_snu_snu denting dialogue digital_media_(artwork) domestic_dog english_text female frisk_(undertale) greater_dog heart_symbol human larger_anthro larger_female male mammal melee_weapon nipple_outline nipples polearm pounce size_difference smaller_human snow spear sweat tail tail_motion tailwag text thewill under(her)tail undertale undertale_(series) weapon
↑308♥398C38Q
alternate_universe anthro areola balls bent_over big_breasts big_penis bodily_fluids breasts bulge clothed clothing cum dialogue digital_media_(artwork) duo english_text erection female foreskin frisk_(undertale) genital_fluids genitals greeting human human_on_anthro humanoid_genitalia humanoid_penis interspecies lagomorph leporid lips male mammal nipple_slip nipples off_shoulder oral penis rabbit rabbit_shopkeeper sign store text thewill under(her)tail undertale undertale_(series)
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2016 3_toes 4_fingers alternate_universe anthro areola areola_slip armor barefoot belt biped black_body black_eyes black_fur black_nose blush bottomwear breast_squish breasts breasts_frottage canid canine canis cleavage clothed clothing crossgender digital_media_(artwork) dildo dog_food dog_treat dogamy dogaressa doggo_(undertale) domestic_dog duo feet female female/female fingers fur greater_dog half-closed_eyes lesser_dog lips long_neck mammal melee_weapon multicolored_body multicolored_fur narrowed_eyes nipple_outline open_mouth paddle pants pet_food sex_toy shield shirt signature simple_background sketch smile snow solo squish tank_top thewill toes tongue tongue_out topwear two_tone_body two_tone_fur under(her)tail undertale undertale_(series) wardrobe_malfunction weapon white_background white_body white_fur
↑240♥412C23E
alternate_universe anthro breasts crossgender digital_media_(artwork) electronics female gyftrot ice_cap jerry_(undertale) mammal phone simple_background snowdrake thewill under(her)tail undertale undertale_(series)
↑147♥160C23E
ahegao alternate_universe anal anal_penetration anthro anthro_penetrated bdsm bed biped blush bondage bottomwear bound breasts bulge bunbun_npc_(undertale) butt cinnamon_(undertale) clothed clothing comic crossgender digital_media_(artwork) doors english_text erection exclamation_point female female_penetrated frisk_(undertale) fucked_silly furniture genitals grope group happy happy_sex heart_eyes heart_symbol human human_on_anthro human_penetrating human_penetrating_anthro interspecies kerchief lagomorph leporid looking_pleasured male male/female male_on_anthro male_penetrating mammal open_mouth orgasm_face penetration penis rabbit rabbit_shopkeeper ribbons sex sex_toy shorts simple_background smile spread_legs spreading strapped_in_toy text thewill tongue tongue_out under(her)tail undertale undertale_(series) vaginal vaginal_penetration vibrator wrists_together yelling
↑551♥1245C44E
alternate_universe clothing digital_media_(artwork) english_text fan_character female fog frisk_(undertale) human kerchief male mammal not_furry papyrus_(undertale) plant silhouette smile tempus_(under(her)tail) text thewill tree under(her)tail undertale undertale_(series)
↑155♥181C80Q
?! alternate_universe blush bone breasts clothed clothing digital_media_(artwork) duo english_text exclamation_point female frisk_(undertale) hi_res human humanoid male mammal not_furry papyrus_(undertale) plant profanity question_mark skeleton tempus_(under(her)tail) text thewill tree undead under(her)tail undertale undertale_(series)
↑180♥187C24Q
alternate_universe annoying_dog_(undertale) bone breasts canid canine canis clothing digital_media_(artwork) domestic_dog english_text female frisk_(undertale) group hi_res human humanoid kerchief male mammal not_furry_focus papyrus_(undertale) profanity skeleton sparkles tempus_(under(her)tail) text thewill undead under(her)tail undertale undertale_(series)
↑143♥133C18Q
alternate_universe big_bulge bone breasts bulge clothed clothing digital_media_(artwork) duo english_text female frisk_(undertale) human humanoid kerchief male mammal not_furry papyrus_(undertale) plant skeleton smile tempus_(under(her)tail) text thewill tree undead under(her)tail undertale undertale_(series)
↑118♥132C10Q
alternate_universe basketball blood blush bodily_fluids bone book breasts clothing digital_media_(artwork) duo ellipsis english_text female frisk_(undertale) human humanoid kerchief male mammal nosebleed not_furry papyrus_(undertale) plant profanity skeleton tempus_(under(her)tail) text thewill tree undead under(her)tail undertale undertale_(series)
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alternate_universe basketball blood blush bodily_fluids bone brass_instrument breasts clothing comic comic_(under(her)tail) dialogue digital_media_(artwork) duo ellipsis english_text erection female female_on_human female_penetrated foreskin frisk_(undertale) genitals human human_on_humanoid human_penetrating human_penetrating_humanoid humanoid humanoid_penetrated interspecies kerchief male male/female male_on_humanoid male_penetrating male_penetrating_female mammal musical_instrument nosebleed not_furry onomatopoeia papyrus_(undertale) penetration penis playing_music playing_tuba question_mark sans_(undertale) sex skeleton smile sound_effects tempus_(under(her)tail) text thewill tuba undead under(her)tail undertale undertale_(series) wind_instrument
↑189♥181C29E
?! alternate_universe annoying_dog_(undertale) basketball bed blush bodily_fluids bone box breasts canid canine canis clothed clothing comic_(under(her)tail) container dialogue digital_media_(artwork) domestic_dog english_text exclamation_point female feral frisk_(undertale) furniture group human humanoid kerchief male mammal not_furry_focus papyrus_(undertale) question_mark sans_(undertale) skeleton sparkles tears tempus_(under(her)tail) text thewill under(her)tail undertale undertale_(series)
↑121♥112C7Q
14:9 alternate_universe avian bar bone bottle breasts buttplug canid canine canis card cindergrilla_(under(her)tail) clothed clothing comic comic_(under(her)tail) container dialogue digital_media_(artwork) dogamy dogaressa doggo_(undertale) domestic_dog elemental_creature english_text female flora_fauna flower frisk_(undertale) greater_dog grillby group human inside kerchief lagomorph laugh leporid lesser_dog male mammal nipples not_furry plant plug_(sex_toy) rabbit rose_(flower) sans_(undertale) sex_toy skeleton text thewill under(her)tail undertale undertale_(series)
↑207♥213C18E
alternate_universe bar bone breasts burger clothed clothing comic comic_(under(her)tail) digital_media_(artwork) duo eating ellipsis english_text female food frisk_(undertale) human humanoid kerchief male mammal mayonnaise not_furry one_eye_closed sans_(undertale) skeleton text thewill under(her)tail undertale undertale_(series) wink
↑148♥136C12Q
alternate_universe animated_skeleton bar blue_and_white bone clothing comic_(under(her)tail) digital_media_(artwork) duo english_text female food frisk_(undertale) human kerchief male mammal mayonnaise monochrome not_furry one_eye_closed sans_(undertale) skeleton text thewill undead under(her)tail undertale undertale_(series) wink
↑151♥175C41Q
2016 abs alternate_universe armor biped breasts clothing comic cover cover_art cover_page digital_media_(artwork) energy_weapon english_text eye_glint female fish front_view headgear helmet hi_res holding_melee_weapon holding_object holding_weapon humanoid leg_armor legwear looking_at_viewer marine melee_weapon midriff nokyel_(under(her)tail) not_furry purple_background simple_background solo suggestive text thewill under(her)tail under_boob undertale undertale_(series) undyne weapon
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